./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b261f373c94d4201e773fd055c7f1efffffc1032 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:02:48,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:02:48,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:02:48,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:02:48,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:02:48,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:02:48,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:02:48,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:02:48,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:02:48,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:02:48,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:02:48,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:02:48,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:02:48,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:02:48,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:02:48,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:02:48,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:02:48,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:02:48,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:02:48,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:02:48,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:02:48,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:02:48,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:02:48,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:02:48,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:02:48,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:02:48,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:02:48,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:02:48,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:02:48,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:02:48,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:02:48,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:02:48,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:02:48,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:02:48,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:02:48,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:02:48,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:02:48,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:02:48,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:02:48,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:02:48,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:02:48,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:02:48,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:02:48,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:02:48,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:02:48,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:02:48,771 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:02:48,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:02:48,772 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:02:48,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:02:48,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:02:48,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:02:48,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:02:48,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:02:48,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:02:48,776 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:02:48,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:02:48,776 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:02:48,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:02:48,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:02:48,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:02:48,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:02:48,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:02:48,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:02:48,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:02:48,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:02:48,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:02:48,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:02:48,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:02:48,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:02:48,779 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:02:48,780 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 -> b261f373c94d4201e773fd055c7f1efffffc1032 [2020-07-28 19:02:49,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:02:49,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:02:49,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:02:49,120 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:02:49,121 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:02:49,121 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2020-07-28 19:02:49,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81c016fbf/1ed0434fe3cf4f65af4abe2733d80928/FLAG74f999dc8 [2020-07-28 19:02:49,726 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:02:49,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2020-07-28 19:02:49,743 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81c016fbf/1ed0434fe3cf4f65af4abe2733d80928/FLAG74f999dc8 [2020-07-28 19:02:50,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81c016fbf/1ed0434fe3cf4f65af4abe2733d80928 [2020-07-28 19:02:50,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:02:50,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:02:50,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:50,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:02:50,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:02:50,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:50" (1/1) ... [2020-07-28 19:02:50,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c8f0e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:50, skipping insertion in model container [2020-07-28 19:02:50,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:50" (1/1) ... [2020-07-28 19:02:50,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:02:50,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:02:50,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:50,546 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:02:50,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:50,722 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:02:50,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:50 WrapperNode [2020-07-28 19:02:50,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:50,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:50,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:02:50,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:02:50,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:50" (1/1) ... [2020-07-28 19:02:50,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:50" (1/1) ... [2020-07-28 19:02:50,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:50,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:02:50,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:02:50,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:02:50,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:50" (1/1) ... [2020-07-28 19:02:50,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:50" (1/1) ... [2020-07-28 19:02:50,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:50" (1/1) ... [2020-07-28 19:02:50,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:50" (1/1) ... [2020-07-28 19:02:50,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:50" (1/1) ... [2020-07-28 19:02:50,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:50" (1/1) ... [2020-07-28 19:02:50,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:50" (1/1) ... [2020-07-28 19:02:50,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:02:50,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:02:50,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:02:50,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:02:50,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:50" (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 19:02:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:02:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:02:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:02:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:02:52,366 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:02:52,367 INFO L295 CfgBuilder]: Removed 98 assume(true) statements. [2020-07-28 19:02:52,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:52 BoogieIcfgContainer [2020-07-28 19:02:52,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:02:52,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:02:52,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:02:52,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:02:52,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:02:50" (1/3) ... [2020-07-28 19:02:52,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fc16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:02:52, skipping insertion in model container [2020-07-28 19:02:52,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:50" (2/3) ... [2020-07-28 19:02:52,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fc16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:02:52, skipping insertion in model container [2020-07-28 19:02:52,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:52" (3/3) ... [2020-07-28 19:02:52,387 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2020-07-28 19:02:52,398 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:02:52,409 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:02:52,420 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:02:52,440 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:02:52,441 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:02:52,441 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:02:52,441 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:02:52,442 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:02:52,442 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:02:52,442 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:02:52,442 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:02:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-07-28 19:02:52,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:02:52,469 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:52,470 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:52,471 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:52,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:52,477 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2020-07-28 19:02:52,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:52,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797319527] [2020-07-28 19:02:52,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:52,802 INFO L280 TraceCheckUtils]: 0: Hoare triple {72#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);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(75, #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(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {72#true} is VALID [2020-07-28 19:02:52,803 INFO L280 TraceCheckUtils]: 1: Hoare triple {72#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {72#true} is VALID [2020-07-28 19:02:52,804 INFO L280 TraceCheckUtils]: 2: Hoare triple {72#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {72#true} is VALID [2020-07-28 19:02:52,804 INFO L280 TraceCheckUtils]: 3: Hoare triple {72#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {72#true} is VALID [2020-07-28 19:02:52,805 INFO L280 TraceCheckUtils]: 4: Hoare triple {72#true} assume 0 != main_~tmp~0; {72#true} is VALID [2020-07-28 19:02:52,808 INFO L280 TraceCheckUtils]: 5: Hoare triple {72#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {72#true} is VALID [2020-07-28 19:02:52,810 INFO L280 TraceCheckUtils]: 6: Hoare triple {72#true} assume false; {73#false} is VALID [2020-07-28 19:02:52,810 INFO L280 TraceCheckUtils]: 7: Hoare triple {73#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {73#false} is VALID [2020-07-28 19:02:52,811 INFO L280 TraceCheckUtils]: 8: Hoare triple {73#false} assume !(0 != ~pumpRunning~0); {73#false} is VALID [2020-07-28 19:02:52,811 INFO L280 TraceCheckUtils]: 9: Hoare triple {73#false} assume !(0 != ~systemActive~0); {73#false} is VALID [2020-07-28 19:02:52,812 INFO L280 TraceCheckUtils]: 10: Hoare triple {73#false} havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {73#false} is VALID [2020-07-28 19:02:52,812 INFO L280 TraceCheckUtils]: 11: Hoare triple {73#false} __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {73#false} is VALID [2020-07-28 19:02:52,813 INFO L280 TraceCheckUtils]: 12: Hoare triple {73#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {73#false} is VALID [2020-07-28 19:02:52,813 INFO L280 TraceCheckUtils]: 13: Hoare triple {73#false} __utac_acc__Specification4_spec__1_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret12 && __utac_acc__Specification4_spec__1_#t~ret12 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret12;havoc __utac_acc__Specification4_spec__1_#t~ret12; {73#false} is VALID [2020-07-28 19:02:52,813 INFO L280 TraceCheckUtils]: 14: Hoare triple {73#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {73#false} is VALID [2020-07-28 19:02:52,814 INFO L280 TraceCheckUtils]: 15: Hoare triple {73#false} assume !false; {73#false} is VALID [2020-07-28 19:02:52,820 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 19:02:52,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797319527] [2020-07-28 19:02:52,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:52,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:02:52,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287169624] [2020-07-28 19:02:52,832 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:02:52,834 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:52,838 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:02:52,886 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:52,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:02:52,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:52,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:02:52,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:02:52,899 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-07-28 19:02:53,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:53,108 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2020-07-28 19:02:53,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:02:53,108 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:02:53,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:02:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 197 transitions. [2020-07-28 19:02:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:02:53,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 197 transitions. [2020-07-28 19:02:53,130 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 197 transitions. [2020-07-28 19:02:53,395 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 197 edges. 197 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:53,410 INFO L225 Difference]: With dead ends: 132 [2020-07-28 19:02:53,410 INFO L226 Difference]: Without dead ends: 65 [2020-07-28 19:02:53,415 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 19:02:53,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-07-28 19:02:53,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-07-28 19:02:53,472 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:53,472 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand 65 states. [2020-07-28 19:02:53,473 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2020-07-28 19:02:53,473 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2020-07-28 19:02:53,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:53,479 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-07-28 19:02:53,480 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-07-28 19:02:53,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:53,481 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:53,481 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2020-07-28 19:02:53,481 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2020-07-28 19:02:53,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:53,487 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-07-28 19:02:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-07-28 19:02:53,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:53,488 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:53,489 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:53,489 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:53,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-07-28 19:02:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-07-28 19:02:53,495 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-07-28 19:02:53,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:53,496 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-07-28 19:02:53,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:02:53,496 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-07-28 19:02:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:02:53,497 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:53,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:53,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:02:53,498 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:53,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:53,499 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2020-07-28 19:02:53,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:53,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465796518] [2020-07-28 19:02:53,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:53,666 INFO L280 TraceCheckUtils]: 0: Hoare triple {491#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);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(75, #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(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {491#true} is VALID [2020-07-28 19:02:53,666 INFO L280 TraceCheckUtils]: 1: Hoare triple {491#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {491#true} is VALID [2020-07-28 19:02:53,667 INFO L280 TraceCheckUtils]: 2: Hoare triple {491#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {491#true} is VALID [2020-07-28 19:02:53,667 INFO L280 TraceCheckUtils]: 3: Hoare triple {491#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {491#true} is VALID [2020-07-28 19:02:53,667 INFO L280 TraceCheckUtils]: 4: Hoare triple {491#true} assume 0 != main_~tmp~0; {491#true} is VALID [2020-07-28 19:02:53,668 INFO L280 TraceCheckUtils]: 5: Hoare triple {491#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {493#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:02:53,669 INFO L280 TraceCheckUtils]: 6: Hoare triple {493#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {493#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:02:53,670 INFO L280 TraceCheckUtils]: 7: Hoare triple {493#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {492#false} is VALID [2020-07-28 19:02:53,670 INFO L280 TraceCheckUtils]: 8: Hoare triple {492#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {492#false} is VALID [2020-07-28 19:02:53,671 INFO L280 TraceCheckUtils]: 9: Hoare triple {492#false} assume !(0 != ~pumpRunning~0); {492#false} is VALID [2020-07-28 19:02:53,671 INFO L280 TraceCheckUtils]: 10: Hoare triple {492#false} assume !(0 != ~systemActive~0); {492#false} is VALID [2020-07-28 19:02:53,671 INFO L280 TraceCheckUtils]: 11: Hoare triple {492#false} havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {492#false} is VALID [2020-07-28 19:02:53,671 INFO L280 TraceCheckUtils]: 12: Hoare triple {492#false} __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {492#false} is VALID [2020-07-28 19:02:53,672 INFO L280 TraceCheckUtils]: 13: Hoare triple {492#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {492#false} is VALID [2020-07-28 19:02:53,672 INFO L280 TraceCheckUtils]: 14: Hoare triple {492#false} __utac_acc__Specification4_spec__1_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret12 && __utac_acc__Specification4_spec__1_#t~ret12 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret12;havoc __utac_acc__Specification4_spec__1_#t~ret12; {492#false} is VALID [2020-07-28 19:02:53,672 INFO L280 TraceCheckUtils]: 15: Hoare triple {492#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {492#false} is VALID [2020-07-28 19:02:53,673 INFO L280 TraceCheckUtils]: 16: Hoare triple {492#false} assume !false; {492#false} is VALID [2020-07-28 19:02:53,674 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 19:02:53,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465796518] [2020-07-28 19:02:53,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:53,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:02:53,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507360674] [2020-07-28 19:02:53,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:02:53,677 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:53,677 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:02:53,705 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:53,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:02:53,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:53,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:02:53,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:53,706 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2020-07-28 19:02:53,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:53,939 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-07-28 19:02:53,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:02:53,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:02:53,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:53,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2020-07-28 19:02:53,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2020-07-28 19:02:53,946 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 90 transitions. [2020-07-28 19:02:54,058 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:54,060 INFO L225 Difference]: With dead ends: 65 [2020-07-28 19:02:54,060 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 19:02:54,062 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 19:02:54,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 19:02:54,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 19:02:54,083 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:54,083 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 19:02:54,083 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:02:54,084 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:02:54,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:54,086 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 19:02:54,086 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:02:54,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:54,087 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:54,087 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:02:54,088 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:02:54,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:54,090 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 19:02:54,091 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:02:54,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:54,092 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:54,092 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:54,092 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:54,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 19:02:54,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-07-28 19:02:54,094 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-07-28 19:02:54,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:54,095 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-07-28 19:02:54,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:02:54,095 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:02:54,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:02:54,097 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:54,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:54,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:02:54,098 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:54,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:54,098 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2020-07-28 19:02:54,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:54,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4910443] [2020-07-28 19:02:54,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:54,253 INFO L280 TraceCheckUtils]: 0: Hoare triple {696#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);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(75, #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(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {696#true} is VALID [2020-07-28 19:02:54,254 INFO L280 TraceCheckUtils]: 1: Hoare triple {696#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {696#true} is VALID [2020-07-28 19:02:54,255 INFO L280 TraceCheckUtils]: 2: Hoare triple {696#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {698#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:02:54,256 INFO L280 TraceCheckUtils]: 3: Hoare triple {698#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {699#(= 1 ULTIMATE.start_main_~tmp~0)} is VALID [2020-07-28 19:02:54,256 INFO L280 TraceCheckUtils]: 4: Hoare triple {699#(= 1 ULTIMATE.start_main_~tmp~0)} assume 0 != main_~tmp~0; {696#true} is VALID [2020-07-28 19:02:54,256 INFO L280 TraceCheckUtils]: 5: Hoare triple {696#true} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {696#true} is VALID [2020-07-28 19:02:54,257 INFO L280 TraceCheckUtils]: 6: Hoare triple {696#true} assume !false; {696#true} is VALID [2020-07-28 19:02:54,257 INFO L280 TraceCheckUtils]: 7: Hoare triple {696#true} assume test_~splverifierCounter~0 < 4; {696#true} is VALID [2020-07-28 19:02:54,257 INFO L280 TraceCheckUtils]: 8: Hoare triple {696#true} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; {696#true} is VALID [2020-07-28 19:02:54,258 INFO L280 TraceCheckUtils]: 9: Hoare triple {696#true} assume !(0 != test_~tmp~3); {696#true} is VALID [2020-07-28 19:02:54,258 INFO L280 TraceCheckUtils]: 10: Hoare triple {696#true} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; {696#true} is VALID [2020-07-28 19:02:54,259 INFO L280 TraceCheckUtils]: 11: Hoare triple {696#true} assume !(0 != test_~tmp___0~1); {696#true} is VALID [2020-07-28 19:02:54,259 INFO L280 TraceCheckUtils]: 12: Hoare triple {696#true} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {696#true} is VALID [2020-07-28 19:02:54,260 INFO L280 TraceCheckUtils]: 13: Hoare triple {696#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {700#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:54,261 INFO L280 TraceCheckUtils]: 14: Hoare triple {700#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {700#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:54,262 INFO L280 TraceCheckUtils]: 15: Hoare triple {700#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {697#false} is VALID [2020-07-28 19:02:54,262 INFO L280 TraceCheckUtils]: 16: Hoare triple {697#false} havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {697#false} is VALID [2020-07-28 19:02:54,262 INFO L280 TraceCheckUtils]: 17: Hoare triple {697#false} __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {697#false} is VALID [2020-07-28 19:02:54,263 INFO L280 TraceCheckUtils]: 18: Hoare triple {697#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {697#false} is VALID [2020-07-28 19:02:54,263 INFO L280 TraceCheckUtils]: 19: Hoare triple {697#false} __utac_acc__Specification4_spec__1_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret12 && __utac_acc__Specification4_spec__1_#t~ret12 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret12;havoc __utac_acc__Specification4_spec__1_#t~ret12; {697#false} is VALID [2020-07-28 19:02:54,264 INFO L280 TraceCheckUtils]: 20: Hoare triple {697#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {697#false} is VALID [2020-07-28 19:02:54,264 INFO L280 TraceCheckUtils]: 21: Hoare triple {697#false} assume !false; {697#false} is VALID [2020-07-28 19:02:54,265 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 19:02:54,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4910443] [2020-07-28 19:02:54,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:54,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:02:54,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775829336] [2020-07-28 19:02:54,267 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 19:02:54,268 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:54,268 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:02:54,327 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:54,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:02:54,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:54,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:02:54,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:02:54,329 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2020-07-28 19:02:54,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:54,722 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-07-28 19:02:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:02:54,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 19:02:54,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 80 transitions. [2020-07-28 19:02:54,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 80 transitions. [2020-07-28 19:02:54,727 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 80 transitions. [2020-07-28 19:02:54,827 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:54,828 INFO L225 Difference]: With dead ends: 56 [2020-07-28 19:02:54,828 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 19:02:54,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:02:54,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 19:02:54,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 19:02:54,861 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:54,861 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 19:02:54,861 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:02:54,861 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:02:54,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:54,863 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2020-07-28 19:02:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-07-28 19:02:54,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:54,864 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:54,864 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:02:54,864 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:02:54,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:54,867 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2020-07-28 19:02:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-07-28 19:02:54,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:54,868 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:54,868 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:54,868 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 19:02:54,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-07-28 19:02:54,870 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-07-28 19:02:54,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:54,871 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-07-28 19:02:54,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:02:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-07-28 19:02:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 19:02:54,872 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:54,872 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] [2020-07-28 19:02:54,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:02:54,873 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:54,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:54,873 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2020-07-28 19:02:54,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:54,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733097220] [2020-07-28 19:02:54,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:55,063 INFO L280 TraceCheckUtils]: 0: Hoare triple {893#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);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(75, #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(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:55,064 INFO L280 TraceCheckUtils]: 1: Hoare triple {895#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:55,065 INFO L280 TraceCheckUtils]: 2: Hoare triple {895#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {896#(= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)} is VALID [2020-07-28 19:02:55,066 INFO L280 TraceCheckUtils]: 3: Hoare triple {896#(= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {897#(= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)} is VALID [2020-07-28 19:02:55,067 INFO L280 TraceCheckUtils]: 4: Hoare triple {897#(= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)} assume 0 != main_~tmp~0; {898#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:02:55,068 INFO L280 TraceCheckUtils]: 5: Hoare triple {898#(not (= 0 ~waterLevel~0))} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {898#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:02:55,071 INFO L280 TraceCheckUtils]: 6: Hoare triple {898#(not (= 0 ~waterLevel~0))} assume !false; {898#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:02:55,071 INFO L280 TraceCheckUtils]: 7: Hoare triple {898#(not (= 0 ~waterLevel~0))} assume test_~splverifierCounter~0 < 4; {898#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:02:55,073 INFO L280 TraceCheckUtils]: 8: Hoare triple {898#(not (= 0 ~waterLevel~0))} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; {898#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:02:55,074 INFO L280 TraceCheckUtils]: 9: Hoare triple {898#(not (= 0 ~waterLevel~0))} assume !(0 != test_~tmp~3); {898#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:02:55,074 INFO L280 TraceCheckUtils]: 10: Hoare triple {898#(not (= 0 ~waterLevel~0))} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; {898#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:02:55,075 INFO L280 TraceCheckUtils]: 11: Hoare triple {898#(not (= 0 ~waterLevel~0))} assume !(0 != test_~tmp___0~1); {898#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:02:55,076 INFO L280 TraceCheckUtils]: 12: Hoare triple {898#(not (= 0 ~waterLevel~0))} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {898#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:02:55,077 INFO L280 TraceCheckUtils]: 13: Hoare triple {898#(not (= 0 ~waterLevel~0))} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {898#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:02:55,077 INFO L280 TraceCheckUtils]: 14: Hoare triple {898#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {898#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:02:55,078 INFO L280 TraceCheckUtils]: 15: Hoare triple {898#(not (= 0 ~waterLevel~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {898#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:02:55,079 INFO L280 TraceCheckUtils]: 16: Hoare triple {898#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {898#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:02:55,080 INFO L280 TraceCheckUtils]: 17: Hoare triple {898#(not (= 0 ~waterLevel~0))} havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {899#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:02:55,081 INFO L280 TraceCheckUtils]: 18: Hoare triple {899#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {900#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1))} is VALID [2020-07-28 19:02:55,082 INFO L280 TraceCheckUtils]: 19: Hoare triple {900#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {894#false} is VALID [2020-07-28 19:02:55,082 INFO L280 TraceCheckUtils]: 20: Hoare triple {894#false} __utac_acc__Specification4_spec__1_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret12 && __utac_acc__Specification4_spec__1_#t~ret12 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret12;havoc __utac_acc__Specification4_spec__1_#t~ret12; {894#false} is VALID [2020-07-28 19:02:55,082 INFO L280 TraceCheckUtils]: 21: Hoare triple {894#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {894#false} is VALID [2020-07-28 19:02:55,083 INFO L280 TraceCheckUtils]: 22: Hoare triple {894#false} assume !false; {894#false} is VALID [2020-07-28 19:02:55,084 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 19:02:55,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733097220] [2020-07-28 19:02:55,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:55,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-28 19:02:55,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045163138] [2020-07-28 19:02:55,086 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-07-28 19:02:55,086 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:55,086 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 19:02:55,121 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:55,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 19:02:55,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:55,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 19:02:55,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:02:55,122 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2020-07-28 19:02:56,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:56,453 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2020-07-28 19:02:56,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-28 19:02:56,453 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-07-28 19:02:56,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:02:56,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 266 transitions. [2020-07-28 19:02:56,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:02:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 266 transitions. [2020-07-28 19:02:56,467 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 266 transitions. [2020-07-28 19:02:56,781 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 266 edges. 266 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:56,789 INFO L225 Difference]: With dead ends: 178 [2020-07-28 19:02:56,789 INFO L226 Difference]: Without dead ends: 153 [2020-07-28 19:02:56,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-07-28 19:02:56,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-28 19:02:56,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 72. [2020-07-28 19:02:56,919 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:56,919 INFO L82 GeneralOperation]: Start isEquivalent. First operand 153 states. Second operand 72 states. [2020-07-28 19:02:56,920 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand 72 states. [2020-07-28 19:02:56,920 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 72 states. [2020-07-28 19:02:56,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:56,928 INFO L93 Difference]: Finished difference Result 153 states and 224 transitions. [2020-07-28 19:02:56,928 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 224 transitions. [2020-07-28 19:02:56,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:56,935 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:56,935 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 153 states. [2020-07-28 19:02:56,936 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 153 states. [2020-07-28 19:02:56,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:56,944 INFO L93 Difference]: Finished difference Result 153 states and 224 transitions. [2020-07-28 19:02:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 224 transitions. [2020-07-28 19:02:56,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:56,947 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:56,947 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:56,947 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-28 19:02:56,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2020-07-28 19:02:56,952 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2020-07-28 19:02:56,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:56,952 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2020-07-28 19:02:56,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 19:02:56,952 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2020-07-28 19:02:56,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:02:56,953 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:56,953 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 19:02:56,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:02:56,954 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:56,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:56,954 INFO L82 PathProgramCache]: Analyzing trace with hash -184875712, now seen corresponding path program 1 times [2020-07-28 19:02:56,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:56,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111562065] [2020-07-28 19:02:56,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:57,062 INFO L280 TraceCheckUtils]: 0: Hoare triple {1584#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);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(75, #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(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,063 INFO L280 TraceCheckUtils]: 1: Hoare triple {1586#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,066 INFO L280 TraceCheckUtils]: 2: Hoare triple {1586#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,067 INFO L280 TraceCheckUtils]: 3: Hoare triple {1586#(= 0 ~pumpRunning~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,068 INFO L280 TraceCheckUtils]: 4: Hoare triple {1586#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,068 INFO L280 TraceCheckUtils]: 5: Hoare triple {1586#(= 0 ~pumpRunning~0)} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,069 INFO L280 TraceCheckUtils]: 6: Hoare triple {1586#(= 0 ~pumpRunning~0)} assume !false; {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,070 INFO L280 TraceCheckUtils]: 7: Hoare triple {1586#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,070 INFO L280 TraceCheckUtils]: 8: Hoare triple {1586#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,071 INFO L280 TraceCheckUtils]: 9: Hoare triple {1586#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~3); {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,072 INFO L280 TraceCheckUtils]: 10: Hoare triple {1586#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,073 INFO L280 TraceCheckUtils]: 11: Hoare triple {1586#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,076 INFO L280 TraceCheckUtils]: 12: Hoare triple {1586#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,077 INFO L280 TraceCheckUtils]: 13: Hoare triple {1586#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1586#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:02:57,079 INFO L280 TraceCheckUtils]: 14: Hoare triple {1586#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {1585#false} is VALID [2020-07-28 19:02:57,079 INFO L280 TraceCheckUtils]: 15: Hoare triple {1585#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {1585#false} is VALID [2020-07-28 19:02:57,079 INFO L280 TraceCheckUtils]: 16: Hoare triple {1585#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1585#false} is VALID [2020-07-28 19:02:57,080 INFO L280 TraceCheckUtils]: 17: Hoare triple {1585#false} assume !(0 != ~pumpRunning~0); {1585#false} is VALID [2020-07-28 19:02:57,080 INFO L280 TraceCheckUtils]: 18: Hoare triple {1585#false} havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {1585#false} is VALID [2020-07-28 19:02:57,080 INFO L280 TraceCheckUtils]: 19: Hoare triple {1585#false} __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {1585#false} is VALID [2020-07-28 19:02:57,081 INFO L280 TraceCheckUtils]: 20: Hoare triple {1585#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1585#false} is VALID [2020-07-28 19:02:57,081 INFO L280 TraceCheckUtils]: 21: Hoare triple {1585#false} __utac_acc__Specification4_spec__1_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret12 && __utac_acc__Specification4_spec__1_#t~ret12 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret12;havoc __utac_acc__Specification4_spec__1_#t~ret12; {1585#false} is VALID [2020-07-28 19:02:57,081 INFO L280 TraceCheckUtils]: 22: Hoare triple {1585#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1585#false} is VALID [2020-07-28 19:02:57,081 INFO L280 TraceCheckUtils]: 23: Hoare triple {1585#false} assume !false; {1585#false} is VALID [2020-07-28 19:02:57,083 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 19:02:57,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111562065] [2020-07-28 19:02:57,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:57,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:02:57,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134104541] [2020-07-28 19:02:57,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:02:57,085 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:57,085 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:02:57,120 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 19:02:57,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:02:57,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:57,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:02:57,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:57,121 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2020-07-28 19:02:57,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:57,392 INFO L93 Difference]: Finished difference Result 126 states and 177 transitions. [2020-07-28 19:02:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:02:57,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:02:57,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:57,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:57,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2020-07-28 19:02:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2020-07-28 19:02:57,396 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 72 transitions. [2020-07-28 19:02:57,490 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:57,492 INFO L225 Difference]: With dead ends: 126 [2020-07-28 19:02:57,492 INFO L226 Difference]: Without dead ends: 60 [2020-07-28 19:02:57,493 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 19:02:57,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-07-28 19:02:57,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-07-28 19:02:57,628 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:57,628 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 60 states. [2020-07-28 19:02:57,629 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2020-07-28 19:02:57,629 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2020-07-28 19:02:57,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:57,631 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2020-07-28 19:02:57,631 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-07-28 19:02:57,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:57,632 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:57,632 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2020-07-28 19:02:57,632 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2020-07-28 19:02:57,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:57,635 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2020-07-28 19:02:57,635 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-07-28 19:02:57,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:57,636 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:57,636 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:57,636 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:57,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-28 19:02:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2020-07-28 19:02:57,639 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2020-07-28 19:02:57,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:57,639 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2020-07-28 19:02:57,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:02:57,640 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-07-28 19:02:57,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-28 19:02:57,641 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:57,641 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:57,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:02:57,642 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:57,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:57,642 INFO L82 PathProgramCache]: Analyzing trace with hash 211192125, now seen corresponding path program 1 times [2020-07-28 19:02:57,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:57,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217645752] [2020-07-28 19:02:57,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:57,711 INFO L280 TraceCheckUtils]: 0: Hoare triple {1973#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);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(75, #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(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1975#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,713 INFO L280 TraceCheckUtils]: 1: Hoare triple {1975#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1975#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,713 INFO L280 TraceCheckUtils]: 2: Hoare triple {1975#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {1975#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,714 INFO L280 TraceCheckUtils]: 3: Hoare triple {1975#(= 1 ~waterLevel~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1975#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,715 INFO L280 TraceCheckUtils]: 4: Hoare triple {1975#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {1975#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,715 INFO L280 TraceCheckUtils]: 5: Hoare triple {1975#(= 1 ~waterLevel~0)} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1975#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,716 INFO L280 TraceCheckUtils]: 6: Hoare triple {1975#(= 1 ~waterLevel~0)} assume !false; {1975#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,717 INFO L280 TraceCheckUtils]: 7: Hoare triple {1975#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1975#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,717 INFO L280 TraceCheckUtils]: 8: Hoare triple {1975#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; {1975#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,718 INFO L280 TraceCheckUtils]: 9: Hoare triple {1975#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~3; {1975#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,719 INFO L280 TraceCheckUtils]: 10: Hoare triple {1975#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,720 INFO L280 TraceCheckUtils]: 11: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,720 INFO L280 TraceCheckUtils]: 12: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,721 INFO L280 TraceCheckUtils]: 13: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,722 INFO L280 TraceCheckUtils]: 14: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,723 INFO L280 TraceCheckUtils]: 15: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,723 INFO L280 TraceCheckUtils]: 16: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,724 INFO L280 TraceCheckUtils]: 17: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,725 INFO L280 TraceCheckUtils]: 18: Hoare triple {1976#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,725 INFO L280 TraceCheckUtils]: 19: Hoare triple {1976#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,726 INFO L280 TraceCheckUtils]: 20: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,727 INFO L280 TraceCheckUtils]: 21: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume !false; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,728 INFO L280 TraceCheckUtils]: 22: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,728 INFO L280 TraceCheckUtils]: 23: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,729 INFO L280 TraceCheckUtils]: 24: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~3; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,730 INFO L280 TraceCheckUtils]: 25: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {1974#false} is VALID [2020-07-28 19:02:57,730 INFO L280 TraceCheckUtils]: 26: Hoare triple {1974#false} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; {1974#false} is VALID [2020-07-28 19:02:57,730 INFO L280 TraceCheckUtils]: 27: Hoare triple {1974#false} assume !(0 != test_~tmp___0~1); {1974#false} is VALID [2020-07-28 19:02:57,730 INFO L280 TraceCheckUtils]: 28: Hoare triple {1974#false} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {1974#false} is VALID [2020-07-28 19:02:57,731 INFO L280 TraceCheckUtils]: 29: Hoare triple {1974#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1974#false} is VALID [2020-07-28 19:02:57,731 INFO L280 TraceCheckUtils]: 30: Hoare triple {1974#false} assume !(0 != ~pumpRunning~0); {1974#false} is VALID [2020-07-28 19:02:57,731 INFO L280 TraceCheckUtils]: 31: Hoare triple {1974#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1974#false} is VALID [2020-07-28 19:02:57,732 INFO L280 TraceCheckUtils]: 32: Hoare triple {1974#false} assume !(0 != ~pumpRunning~0); {1974#false} is VALID [2020-07-28 19:02:57,732 INFO L280 TraceCheckUtils]: 33: Hoare triple {1974#false} havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {1974#false} is VALID [2020-07-28 19:02:57,732 INFO L280 TraceCheckUtils]: 34: Hoare triple {1974#false} __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {1974#false} is VALID [2020-07-28 19:02:57,732 INFO L280 TraceCheckUtils]: 35: Hoare triple {1974#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1974#false} is VALID [2020-07-28 19:02:57,733 INFO L280 TraceCheckUtils]: 36: Hoare triple {1974#false} __utac_acc__Specification4_spec__1_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret12 && __utac_acc__Specification4_spec__1_#t~ret12 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret12;havoc __utac_acc__Specification4_spec__1_#t~ret12; {1974#false} is VALID [2020-07-28 19:02:57,733 INFO L280 TraceCheckUtils]: 37: Hoare triple {1974#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1974#false} is VALID [2020-07-28 19:02:57,733 INFO L280 TraceCheckUtils]: 38: Hoare triple {1974#false} assume !false; {1974#false} is VALID [2020-07-28 19:02:57,736 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:57,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217645752] [2020-07-28 19:02:57,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628351120] [2020-07-28 19:02:57,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:02:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:57,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-28 19:02:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:57,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:02:58,018 INFO L280 TraceCheckUtils]: 0: Hoare triple {1973#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);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(75, #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(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1980#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,020 INFO L280 TraceCheckUtils]: 1: Hoare triple {1980#(<= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1980#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,020 INFO L280 TraceCheckUtils]: 2: Hoare triple {1980#(<= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {1980#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,021 INFO L280 TraceCheckUtils]: 3: Hoare triple {1980#(<= 1 ~waterLevel~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1980#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,022 INFO L280 TraceCheckUtils]: 4: Hoare triple {1980#(<= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {1980#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,023 INFO L280 TraceCheckUtils]: 5: Hoare triple {1980#(<= 1 ~waterLevel~0)} havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1980#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,024 INFO L280 TraceCheckUtils]: 6: Hoare triple {1980#(<= 1 ~waterLevel~0)} assume !false; {1980#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,024 INFO L280 TraceCheckUtils]: 7: Hoare triple {1980#(<= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1980#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,025 INFO L280 TraceCheckUtils]: 8: Hoare triple {1980#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; {1980#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,026 INFO L280 TraceCheckUtils]: 9: Hoare triple {1980#(<= 1 ~waterLevel~0)} assume 0 != test_~tmp~3; {1980#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,027 INFO L280 TraceCheckUtils]: 10: Hoare triple {1980#(<= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,028 INFO L280 TraceCheckUtils]: 11: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,028 INFO L280 TraceCheckUtils]: 12: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,029 INFO L280 TraceCheckUtils]: 13: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,030 INFO L280 TraceCheckUtils]: 14: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,030 INFO L280 TraceCheckUtils]: 15: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,031 INFO L280 TraceCheckUtils]: 16: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,032 INFO L280 TraceCheckUtils]: 17: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,033 INFO L280 TraceCheckUtils]: 18: Hoare triple {1976#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,033 INFO L280 TraceCheckUtils]: 19: Hoare triple {1976#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,034 INFO L280 TraceCheckUtils]: 20: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,035 INFO L280 TraceCheckUtils]: 21: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume !false; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,035 INFO L280 TraceCheckUtils]: 22: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,036 INFO L280 TraceCheckUtils]: 23: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet31 && test_#t~nondet31 <= 2147483647;test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,037 INFO L280 TraceCheckUtils]: 24: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~3; {1976#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:58,038 INFO L280 TraceCheckUtils]: 25: Hoare triple {1976#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {1974#false} is VALID [2020-07-28 19:02:58,038 INFO L280 TraceCheckUtils]: 26: Hoare triple {1974#false} assume -2147483648 <= test_#t~nondet32 && test_#t~nondet32 <= 2147483647;test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; {1974#false} is VALID [2020-07-28 19:02:58,038 INFO L280 TraceCheckUtils]: 27: Hoare triple {1974#false} assume !(0 != test_~tmp___0~1); {1974#false} is VALID [2020-07-28 19:02:58,038 INFO L280 TraceCheckUtils]: 28: Hoare triple {1974#false} assume -2147483648 <= test_#t~nondet33 && test_#t~nondet33 <= 2147483647;test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; {1974#false} is VALID [2020-07-28 19:02:58,039 INFO L280 TraceCheckUtils]: 29: Hoare triple {1974#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1974#false} is VALID [2020-07-28 19:02:58,039 INFO L280 TraceCheckUtils]: 30: Hoare triple {1974#false} assume !(0 != ~pumpRunning~0); {1974#false} is VALID [2020-07-28 19:02:58,039 INFO L280 TraceCheckUtils]: 31: Hoare triple {1974#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1974#false} is VALID [2020-07-28 19:02:58,039 INFO L280 TraceCheckUtils]: 32: Hoare triple {1974#false} assume !(0 != ~pumpRunning~0); {1974#false} is VALID [2020-07-28 19:02:58,039 INFO L280 TraceCheckUtils]: 33: Hoare triple {1974#false} havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; {1974#false} is VALID [2020-07-28 19:02:58,040 INFO L280 TraceCheckUtils]: 34: Hoare triple {1974#false} __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {1974#false} is VALID [2020-07-28 19:02:58,040 INFO L280 TraceCheckUtils]: 35: Hoare triple {1974#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1974#false} is VALID [2020-07-28 19:02:58,040 INFO L280 TraceCheckUtils]: 36: Hoare triple {1974#false} __utac_acc__Specification4_spec__1_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret12 && __utac_acc__Specification4_spec__1_#t~ret12 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret12;havoc __utac_acc__Specification4_spec__1_#t~ret12; {1974#false} is VALID [2020-07-28 19:02:58,041 INFO L280 TraceCheckUtils]: 37: Hoare triple {1974#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1974#false} is VALID [2020-07-28 19:02:58,041 INFO L280 TraceCheckUtils]: 38: Hoare triple {1974#false} assume !false; {1974#false} is VALID [2020-07-28 19:02:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:58,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:02:58,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-07-28 19:02:58,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706129250] [2020-07-28 19:02:58,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-07-28 19:02:58,046 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:58,047 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:02:58,099 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:58,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:02:58,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:58,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:02:58,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:02:58,100 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 4 states. [2020-07-28 19:02:58,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:58,465 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2020-07-28 19:02:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:02:58,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-07-28 19:02:58,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:58,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:02:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2020-07-28 19:02:58,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:02:58,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2020-07-28 19:02:58,468 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 79 transitions. [2020-07-28 19:02:58,555 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:58,556 INFO L225 Difference]: With dead ends: 77 [2020-07-28 19:02:58,556 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:02:58,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:02:58,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:02:58,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:02:58,557 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:58,557 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:02:58,557 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:02:58,558 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:02:58,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:58,558 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:02:58,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:02:58,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:58,558 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:58,558 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:02:58,559 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:02:58,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:58,559 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:02:58,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:02:58,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:58,559 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:58,559 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:58,559 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:02:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:02:58,560 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-07-28 19:02:58,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:58,560 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:02:58,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:02:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:02:58,560 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:58,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-28 19:02:58,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:02:59,478 INFO L268 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2020-07-28 19:02:59,478 INFO L264 CegarLoopResult]: At program point L448-2(lines 266 272) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4))) [2020-07-28 19:02:59,478 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2020-07-28 19:02:59,478 INFO L264 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2020-07-28 19:02:59,479 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:02:59,479 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-28 19:02:59,479 INFO L264 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 19:02:59,479 INFO L264 CegarLoopResult]: At program point L863(lines 858 866) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:02:59,479 INFO L264 CegarLoopResult]: At program point L351(lines 346 354) the Hoare annotation is: false [2020-07-28 19:02:59,479 INFO L264 CegarLoopResult]: At program point L351-1(lines 346 354) the Hoare annotation is: false [2020-07-28 19:02:59,479 INFO L264 CegarLoopResult]: At program point L351-2(lines 346 354) the Hoare annotation is: false [2020-07-28 19:02:59,479 INFO L268 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2020-07-28 19:02:59,479 INFO L268 CegarLoopResult]: For program point L302-1(lines 302 310) no Hoare annotation was computed. [2020-07-28 19:02:59,480 INFO L268 CegarLoopResult]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2020-07-28 19:02:59,480 INFO L268 CegarLoopResult]: For program point L154(lines 154 158) no Hoare annotation was computed. [2020-07-28 19:02:59,480 INFO L268 CegarLoopResult]: For program point L154-3(lines 154 158) no Hoare annotation was computed. [2020-07-28 19:02:59,480 INFO L268 CegarLoopResult]: For program point L154-6(lines 154 158) no Hoare annotation was computed. [2020-07-28 19:02:59,480 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-28 19:02:59,480 INFO L268 CegarLoopResult]: For program point L56-1(lines 266 272) no Hoare annotation was computed. [2020-07-28 19:02:59,480 INFO L268 CegarLoopResult]: For program point L238(lines 238 251) no Hoare annotation was computed. [2020-07-28 19:02:59,480 INFO L264 CegarLoopResult]: At program point L238-1(lines 1 875) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1)) .cse0 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4))) [2020-07-28 19:02:59,481 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 251) no Hoare annotation was computed. [2020-07-28 19:02:59,481 INFO L264 CegarLoopResult]: At program point L238-3(lines 1 875) the Hoare annotation is: false [2020-07-28 19:02:59,481 INFO L271 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2020-07-28 19:02:59,481 INFO L268 CegarLoopResult]: For program point L238-4(lines 238 251) no Hoare annotation was computed. [2020-07-28 19:02:59,481 INFO L264 CegarLoopResult]: At program point L238-5(lines 1 875) the Hoare annotation is: false [2020-07-28 19:02:59,481 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-07-28 19:02:59,481 INFO L264 CegarLoopResult]: At program point L420-1(lines 420 426) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4))) [2020-07-28 19:02:59,481 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:02:59,482 INFO L264 CegarLoopResult]: At program point L223(lines 218 226) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|))) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 1 ~waterLevel~0) .cse5))) [2020-07-28 19:02:59,482 INFO L264 CegarLoopResult]: At program point L223-1(lines 218 226) the Hoare annotation is: false [2020-07-28 19:02:59,482 INFO L264 CegarLoopResult]: At program point L223-2(lines 218 226) the Hoare annotation is: false [2020-07-28 19:02:59,482 INFO L264 CegarLoopResult]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4))) [2020-07-28 19:02:59,482 INFO L264 CegarLoopResult]: At program point L273-1(lines 273 279) the Hoare annotation is: false [2020-07-28 19:02:59,482 INFO L264 CegarLoopResult]: At program point L273-2(lines 273 279) the Hoare annotation is: false [2020-07-28 19:02:59,482 INFO L264 CegarLoopResult]: At program point L191(lines 186 194) the Hoare annotation is: false [2020-07-28 19:02:59,483 INFO L264 CegarLoopResult]: At program point L191-1(lines 186 194) the Hoare annotation is: false [2020-07-28 19:02:59,483 INFO L264 CegarLoopResult]: At program point L191-2(lines 186 194) the Hoare annotation is: false [2020-07-28 19:02:59,483 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2020-07-28 19:02:59,483 INFO L268 CegarLoopResult]: For program point L440(lines 440 453) no Hoare annotation was computed. [2020-07-28 19:02:59,483 INFO L268 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2020-07-28 19:02:59,483 INFO L268 CegarLoopResult]: For program point L242-2(lines 242 248) no Hoare annotation was computed. [2020-07-28 19:02:59,483 INFO L268 CegarLoopResult]: For program point L242-4(lines 242 248) no Hoare annotation was computed. [2020-07-28 19:02:59,483 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:02:59,483 INFO L264 CegarLoopResult]: At program point L342(lines 335 345) the Hoare annotation is: false [2020-07-28 19:02:59,484 INFO L264 CegarLoopResult]: At program point L342-1(lines 335 345) the Hoare annotation is: false [2020-07-28 19:02:59,484 INFO L264 CegarLoopResult]: At program point L342-2(lines 335 345) the Hoare annotation is: false [2020-07-28 19:02:59,484 INFO L264 CegarLoopResult]: At program point L458(lines 409 459) the Hoare annotation is: false [2020-07-28 19:02:59,484 INFO L264 CegarLoopResult]: At program point L855(lines 1 875) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:02:59,484 INFO L268 CegarLoopResult]: For program point L178(lines 178 182) no Hoare annotation was computed. [2020-07-28 19:02:59,484 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-07-28 19:02:59,484 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-07-28 19:02:59,484 INFO L268 CegarLoopResult]: For program point L872-2(line 872) no Hoare annotation was computed. [2020-07-28 19:02:59,484 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-28 19:02:59,485 INFO L271 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2020-07-28 19:02:59,485 INFO L268 CegarLoopResult]: For program point L411(lines 410 457) no Hoare annotation was computed. [2020-07-28 19:02:59,485 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:02:59,485 INFO L268 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-07-28 19:02:59,485 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2020-07-28 19:02:59,485 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-07-28 19:02:59,485 INFO L264 CegarLoopResult]: At program point L430-1(lines 430 436) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4))) [2020-07-28 19:02:59,485 INFO L268 CegarLoopResult]: For program point L298(lines 298 315) no Hoare annotation was computed. [2020-07-28 19:02:59,485 INFO L268 CegarLoopResult]: For program point L298-1(lines 298 315) no Hoare annotation was computed. [2020-07-28 19:02:59,486 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 315) no Hoare annotation was computed. [2020-07-28 19:02:59,486 INFO L268 CegarLoopResult]: For program point L166(lines 166 170) no Hoare annotation was computed. [2020-07-28 19:02:59,486 INFO L264 CegarLoopResult]: At program point L266(lines 265 284) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4))) [2020-07-28 19:02:59,486 INFO L268 CegarLoopResult]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2020-07-28 19:02:59,486 INFO L264 CegarLoopResult]: At program point L266-2(lines 265 284) the Hoare annotation is: false [2020-07-28 19:02:59,486 INFO L264 CegarLoopResult]: At program point L266-3(lines 265 284) the Hoare annotation is: false [2020-07-28 19:02:59,490 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:02:59,490 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:02:59,491 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:02:59,491 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:02:59,491 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 19:02:59,492 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-28 19:02:59,492 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:02:59,493 WARN L170 areAnnotationChecker]: L266-1 has no Hoare annotation [2020-07-28 19:02:59,493 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-28 19:02:59,493 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-28 19:02:59,493 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:02:59,493 WARN L170 areAnnotationChecker]: L266-1 has no Hoare annotation [2020-07-28 19:02:59,493 WARN L170 areAnnotationChecker]: L266-1 has no Hoare annotation [2020-07-28 19:02:59,493 WARN L170 areAnnotationChecker]: L412 has no Hoare annotation [2020-07-28 19:02:59,493 WARN L170 areAnnotationChecker]: L154-3 has no Hoare annotation [2020-07-28 19:02:59,493 WARN L170 areAnnotationChecker]: L154-3 has no Hoare annotation [2020-07-28 19:02:59,493 WARN L170 areAnnotationChecker]: L298-1 has no Hoare annotation [2020-07-28 19:02:59,494 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-28 19:02:59,494 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-28 19:02:59,494 WARN L170 areAnnotationChecker]: L298-1 has no Hoare annotation [2020-07-28 19:02:59,494 WARN L170 areAnnotationChecker]: L298-1 has no Hoare annotation [2020-07-28 19:02:59,494 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2020-07-28 19:02:59,494 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2020-07-28 19:02:59,494 WARN L170 areAnnotationChecker]: L430 has no Hoare annotation [2020-07-28 19:02:59,494 WARN L170 areAnnotationChecker]: L238-2 has no Hoare annotation [2020-07-28 19:02:59,494 WARN L170 areAnnotationChecker]: L430 has no Hoare annotation [2020-07-28 19:02:59,494 WARN L170 areAnnotationChecker]: L430 has no Hoare annotation [2020-07-28 19:02:59,494 WARN L170 areAnnotationChecker]: L302-1 has no Hoare annotation [2020-07-28 19:02:59,495 WARN L170 areAnnotationChecker]: L238-2 has no Hoare annotation [2020-07-28 19:02:59,495 WARN L170 areAnnotationChecker]: L238-2 has no Hoare annotation [2020-07-28 19:02:59,495 WARN L170 areAnnotationChecker]: L178 has no Hoare annotation [2020-07-28 19:02:59,495 WARN L170 areAnnotationChecker]: L178 has no Hoare annotation [2020-07-28 19:02:59,495 WARN L170 areAnnotationChecker]: L440 has no Hoare annotation [2020-07-28 19:02:59,495 WARN L170 areAnnotationChecker]: L302-1 has no Hoare annotation [2020-07-28 19:02:59,495 WARN L170 areAnnotationChecker]: L302-1 has no Hoare annotation [2020-07-28 19:02:59,495 WARN L170 areAnnotationChecker]: L242-2 has no Hoare annotation [2020-07-28 19:02:59,495 WARN L170 areAnnotationChecker]: L440 has no Hoare annotation [2020-07-28 19:02:59,495 WARN L170 areAnnotationChecker]: L440 has no Hoare annotation [2020-07-28 19:02:59,495 WARN L170 areAnnotationChecker]: L242-2 has no Hoare annotation [2020-07-28 19:02:59,496 WARN L170 areAnnotationChecker]: L242-2 has no Hoare annotation [2020-07-28 19:02:59,496 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:02:59,496 WARN L170 areAnnotationChecker]: L154 has no Hoare annotation [2020-07-28 19:02:59,497 WARN L170 areAnnotationChecker]: L448 has no Hoare annotation [2020-07-28 19:02:59,497 WARN L170 areAnnotationChecker]: L448 has no Hoare annotation [2020-07-28 19:02:59,497 WARN L170 areAnnotationChecker]: L872-1 has no Hoare annotation [2020-07-28 19:02:59,497 WARN L170 areAnnotationChecker]: L872-1 has no Hoare annotation [2020-07-28 19:02:59,497 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:02:59,497 WARN L170 areAnnotationChecker]: L154 has no Hoare annotation [2020-07-28 19:02:59,497 WARN L170 areAnnotationChecker]: L154 has no Hoare annotation [2020-07-28 19:02:59,497 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2020-07-28 19:02:59,500 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:02:59,500 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:02:59,501 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2020-07-28 19:02:59,501 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2020-07-28 19:02:59,502 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:02:59,502 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 19:02:59,502 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-28 19:02:59,502 WARN L170 areAnnotationChecker]: L154-6 has no Hoare annotation [2020-07-28 19:02:59,502 WARN L170 areAnnotationChecker]: L154-6 has no Hoare annotation [2020-07-28 19:02:59,502 WARN L170 areAnnotationChecker]: L298-2 has no Hoare annotation [2020-07-28 19:02:59,502 WARN L170 areAnnotationChecker]: L302 has no Hoare annotation [2020-07-28 19:02:59,503 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-28 19:02:59,503 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-28 19:02:59,503 WARN L170 areAnnotationChecker]: L298-2 has no Hoare annotation [2020-07-28 19:02:59,503 WARN L170 areAnnotationChecker]: L298-2 has no Hoare annotation [2020-07-28 19:02:59,503 WARN L170 areAnnotationChecker]: L302 has no Hoare annotation [2020-07-28 19:02:59,503 WARN L170 areAnnotationChecker]: L302 has no Hoare annotation [2020-07-28 19:02:59,503 WARN L170 areAnnotationChecker]: L242 has no Hoare annotation [2020-07-28 19:02:59,503 WARN L170 areAnnotationChecker]: L238-4 has no Hoare annotation [2020-07-28 19:02:59,503 WARN L170 areAnnotationChecker]: L242 has no Hoare annotation [2020-07-28 19:02:59,503 WARN L170 areAnnotationChecker]: L242 has no Hoare annotation [2020-07-28 19:02:59,503 WARN L170 areAnnotationChecker]: L302-2 has no Hoare annotation [2020-07-28 19:02:59,503 WARN L170 areAnnotationChecker]: L238-4 has no Hoare annotation [2020-07-28 19:02:59,504 WARN L170 areAnnotationChecker]: L238-4 has no Hoare annotation [2020-07-28 19:02:59,504 WARN L170 areAnnotationChecker]: L872 has no Hoare annotation [2020-07-28 19:02:59,504 WARN L170 areAnnotationChecker]: L872 has no Hoare annotation [2020-07-28 19:02:59,504 WARN L170 areAnnotationChecker]: L302-2 has no Hoare annotation [2020-07-28 19:02:59,504 WARN L170 areAnnotationChecker]: L302-2 has no Hoare annotation [2020-07-28 19:02:59,504 WARN L170 areAnnotationChecker]: L242-4 has no Hoare annotation [2020-07-28 19:02:59,504 WARN L170 areAnnotationChecker]: L242-4 has no Hoare annotation [2020-07-28 19:02:59,504 WARN L170 areAnnotationChecker]: L242-4 has no Hoare annotation [2020-07-28 19:02:59,504 WARN L170 areAnnotationChecker]: L872-2 has no Hoare annotation [2020-07-28 19:02:59,504 WARN L170 areAnnotationChecker]: L872-2 has no Hoare annotation [2020-07-28 19:02:59,505 INFO L163 areAnnotationChecker]: CFG has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:02:59,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:02:59 BoogieIcfgContainer [2020-07-28 19:02:59,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:02:59,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:02:59,531 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:02:59,531 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:02:59,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:52" (3/4) ... [2020-07-28 19:02:59,536 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:02:59,555 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:02:59,556 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:02:59,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:02:59,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:02:59,558 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:02:59,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:02:59,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:02:59,593 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel [2020-07-28 19:02:59,593 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp [2020-07-28 19:02:59,593 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && !(0 == tmp)) && 0 == splverifierCounter) && !(0 == \result)) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:59,594 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:59,594 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:59,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:59,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:59,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:59,596 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || ((((((0 == splverifierCounter && !(0 == \result)) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:02:59,669 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:02:59,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:02:59,673 INFO L168 Benchmark]: Toolchain (without parser) took 9646.73 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.7 MB). Free memory was 962.9 MB in the beginning and 1.0 GB in the end (delta: -71.5 MB). Peak memory consumption was 257.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:59,673 INFO L168 Benchmark]: CDTParser took 0.19 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 19:02:59,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 962.9 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:59,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:59,674 INFO L168 Benchmark]: Boogie Preprocessor took 43.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:02:59,675 INFO L168 Benchmark]: RCFGBuilder took 1510.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.6 MB in the end (delta: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:59,675 INFO L168 Benchmark]: TraceAbstraction took 7152.08 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 980.6 MB in the beginning and 1.0 GB in the end (delta: -53.8 MB). Peak memory consumption was 128.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:02:59,675 INFO L168 Benchmark]: Witness Printer took 138.57 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:02:59,677 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 0.19 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 695.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 962.9 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1510.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.6 MB in the end (delta: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7152.08 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 980.6 MB in the beginning and 1.0 GB in the end (delta: -53.8 MB). Peak memory consumption was 128.6 MB. Max. memory is 11.5 GB. * Witness Printer took 138.57 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 872]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 872]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || ((((((0 == splverifierCounter && !(0 == \result)) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && !(0 == tmp)) && 0 == splverifierCounter) && !(0 == \result)) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 310 SDtfs, 486 SDslu, 339 SDs, 0 SdLazy, 87 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 81 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 47 NumberOfFragments, 366 HoareAnnotationTreeSize, 31 FomulaSimplifications, 448 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 109 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 10707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...