./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product08.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_product08.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 f0335c6392c59c467837b14da92286fa43b99dfc .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:02:50,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:02:50,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:02:50,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:02:50,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:02:50,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:02:50,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:02:51,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:02:51,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:02:51,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:02:51,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:02:51,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:02:51,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:02:51,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:02:51,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:02:51,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:02:51,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:02:51,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:02:51,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:02:51,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:02:51,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:02:51,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:02:51,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:02:51,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:02:51,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:02:51,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:02:51,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:02:51,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:02:51,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:02:51,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:02:51,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:02:51,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:02:51,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:02:51,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:02:51,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:02:51,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:02:51,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:02:51,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:02:51,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:02:51,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:02:51,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:02:51,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:02:51,101 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:02:51,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:02:51,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:02:51,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:02:51,103 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:02:51,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:02:51,103 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:02:51,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:02:51,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:02:51,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:02:51,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:02:51,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:02:51,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:02:51,106 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:02:51,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:02:51,107 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:02:51,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:02:51,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:02:51,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:02:51,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:02:51,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:02:51,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:02:51,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:02:51,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:02:51,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:02:51,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:02:51,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:02:51,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:02:51,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:02:51,111 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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2020-07-28 19:02:51,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:02:51,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:02:51,446 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:02:51,448 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:02:51,448 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:02:51,449 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-07-28 19:02:51,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed3573c8a/21af8d00ca8342b0b4efe83f10e0e582/FLAGcc4b16751 [2020-07-28 19:02:52,030 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:02:52,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-07-28 19:02:52,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed3573c8a/21af8d00ca8342b0b4efe83f10e0e582/FLAGcc4b16751 [2020-07-28 19:02:52,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed3573c8a/21af8d00ca8342b0b4efe83f10e0e582 [2020-07-28 19:02:52,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:02:52,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:02:52,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:52,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:02:52,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:02:52,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:52" (1/1) ... [2020-07-28 19:02:52,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8781850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:52, skipping insertion in model container [2020-07-28 19:02:52,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:52" (1/1) ... [2020-07-28 19:02:52,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:02:52,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:02:52,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:52,907 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:02:53,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:53,108 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:02:53,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:53 WrapperNode [2020-07-28 19:02:53,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:53,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:53,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:02:53,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:02:53,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:53" (1/1) ... [2020-07-28 19:02:53,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:53" (1/1) ... [2020-07-28 19:02:53,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:53,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:02:53,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:02:53,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:02:53,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:53" (1/1) ... [2020-07-28 19:02:53,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:53" (1/1) ... [2020-07-28 19:02:53,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:53" (1/1) ... [2020-07-28 19:02:53,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:53" (1/1) ... [2020-07-28 19:02:53,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:53" (1/1) ... [2020-07-28 19:02:53,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:53" (1/1) ... [2020-07-28 19:02:53,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:53" (1/1) ... [2020-07-28 19:02:53,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:02:53,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:02:53,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:02:53,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:02:53,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:53" (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 19:02:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:02:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:02:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:02:53,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:02:54,841 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:02:54,841 INFO L295 CfgBuilder]: Removed 102 assume(true) statements. [2020-07-28 19:02:54,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:54 BoogieIcfgContainer [2020-07-28 19:02:54,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:02:54,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:02:54,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:02:54,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:02:54,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:02:52" (1/3) ... [2020-07-28 19:02:54,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52469b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:02:54, skipping insertion in model container [2020-07-28 19:02:54,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:53" (2/3) ... [2020-07-28 19:02:54,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52469b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:02:54, skipping insertion in model container [2020-07-28 19:02:54,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:54" (3/3) ... [2020-07-28 19:02:54,862 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2020-07-28 19:02:54,875 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:02:54,884 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:02:54,902 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:02:54,939 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:02:54,939 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:02:54,939 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:02:54,940 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:02:54,941 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:02:54,941 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:02:54,941 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:02:54,941 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:02:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-07-28 19:02:54,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:02:54,979 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:54,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:02:54,981 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:54,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:54,989 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2020-07-28 19:02:55,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:55,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178558136] [2020-07-28 19:02:55,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:55,461 INFO L280 TraceCheckUtils]: 0: Hoare triple {74#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {74#true} is VALID [2020-07-28 19:02:55,462 INFO L280 TraceCheckUtils]: 1: Hoare triple {74#true} havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {74#true} is VALID [2020-07-28 19:02:55,462 INFO L280 TraceCheckUtils]: 2: Hoare triple {74#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {74#true} is VALID [2020-07-28 19:02:55,463 INFO L280 TraceCheckUtils]: 3: Hoare triple {74#true} main_#t~ret11 := valid_product_#res;assume -2147483648 <= main_#t~ret11 && main_#t~ret11 <= 2147483647;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; {74#true} is VALID [2020-07-28 19:02:55,463 INFO L280 TraceCheckUtils]: 4: Hoare triple {74#true} assume 0 != main_~tmp~0; {74#true} is VALID [2020-07-28 19:02:55,464 INFO L280 TraceCheckUtils]: 5: Hoare triple {74#true} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {74#true} is VALID [2020-07-28 19:02:55,465 INFO L280 TraceCheckUtils]: 6: Hoare triple {74#true} assume false; {75#false} is VALID [2020-07-28 19:02:55,466 INFO L280 TraceCheckUtils]: 7: Hoare triple {75#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {75#false} is VALID [2020-07-28 19:02:55,466 INFO L280 TraceCheckUtils]: 8: Hoare triple {75#false} assume !(0 != ~pumpRunning~0); {75#false} is VALID [2020-07-28 19:02:55,467 INFO L280 TraceCheckUtils]: 9: Hoare triple {75#false} assume !(0 != ~systemActive~0); {75#false} is VALID [2020-07-28 19:02:55,467 INFO L280 TraceCheckUtils]: 10: Hoare triple {75#false} havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {75#false} is VALID [2020-07-28 19:02:55,467 INFO L280 TraceCheckUtils]: 11: Hoare triple {75#false} __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret47 && __utac_acc__Specification4_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; {75#false} is VALID [2020-07-28 19:02:55,468 INFO L280 TraceCheckUtils]: 12: Hoare triple {75#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {75#false} is VALID [2020-07-28 19:02:55,469 INFO L280 TraceCheckUtils]: 13: Hoare triple {75#false} __utac_acc__Specification4_spec__1_#t~ret48 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret48 && __utac_acc__Specification4_spec__1_#t~ret48 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret48;havoc __utac_acc__Specification4_spec__1_#t~ret48; {75#false} is VALID [2020-07-28 19:02:55,469 INFO L280 TraceCheckUtils]: 14: Hoare triple {75#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {75#false} is VALID [2020-07-28 19:02:55,470 INFO L280 TraceCheckUtils]: 15: Hoare triple {75#false} assume !false; {75#false} is VALID [2020-07-28 19:02:55,474 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 19:02:55,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178558136] [2020-07-28 19:02:55,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:55,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:02:55,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744676341] [2020-07-28 19:02:55,484 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:02:55,485 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:55,489 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:02:55,528 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 19:02:55,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:02:55,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:55,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:02:55,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:02:55,542 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2020-07-28 19:02:55,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:55,782 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2020-07-28 19:02:55,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:02:55,783 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:02:55,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:02:55,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 203 transitions. [2020-07-28 19:02:55,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:02:55,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 203 transitions. [2020-07-28 19:02:55,804 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 203 transitions. [2020-07-28 19:02:56,067 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 203 edges. 203 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:56,081 INFO L225 Difference]: With dead ends: 136 [2020-07-28 19:02:56,082 INFO L226 Difference]: Without dead ends: 67 [2020-07-28 19:02:56,086 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 19:02:56,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-28 19:02:56,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-07-28 19:02:56,138 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:56,139 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 67 states. [2020-07-28 19:02:56,139 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2020-07-28 19:02:56,140 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2020-07-28 19:02:56,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:56,146 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-07-28 19:02:56,146 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-07-28 19:02:56,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:56,148 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:56,148 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2020-07-28 19:02:56,148 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2020-07-28 19:02:56,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:56,154 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-07-28 19:02:56,154 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-07-28 19:02:56,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:56,155 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:56,156 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:56,156 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:56,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-07-28 19:02:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-07-28 19:02:56,163 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-07-28 19:02:56,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:56,163 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-07-28 19:02:56,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:02:56,163 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-07-28 19:02:56,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:02:56,164 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:56,165 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 19:02:56,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:02:56,165 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:56,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:56,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2020-07-28 19:02:56,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:56,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016826009] [2020-07-28 19:02:56,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:56,297 INFO L280 TraceCheckUtils]: 0: Hoare triple {506#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {506#true} is VALID [2020-07-28 19:02:56,298 INFO L280 TraceCheckUtils]: 1: Hoare triple {506#true} havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {506#true} is VALID [2020-07-28 19:02:56,298 INFO L280 TraceCheckUtils]: 2: Hoare triple {506#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {506#true} is VALID [2020-07-28 19:02:56,298 INFO L280 TraceCheckUtils]: 3: Hoare triple {506#true} main_#t~ret11 := valid_product_#res;assume -2147483648 <= main_#t~ret11 && main_#t~ret11 <= 2147483647;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; {506#true} is VALID [2020-07-28 19:02:56,299 INFO L280 TraceCheckUtils]: 4: Hoare triple {506#true} assume 0 != main_~tmp~0; {506#true} is VALID [2020-07-28 19:02:56,300 INFO L280 TraceCheckUtils]: 5: Hoare triple {506#true} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {508#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:02:56,302 INFO L280 TraceCheckUtils]: 6: Hoare triple {508#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {508#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:02:56,303 INFO L280 TraceCheckUtils]: 7: Hoare triple {508#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {507#false} is VALID [2020-07-28 19:02:56,303 INFO L280 TraceCheckUtils]: 8: Hoare triple {507#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {507#false} is VALID [2020-07-28 19:02:56,304 INFO L280 TraceCheckUtils]: 9: Hoare triple {507#false} assume !(0 != ~pumpRunning~0); {507#false} is VALID [2020-07-28 19:02:56,304 INFO L280 TraceCheckUtils]: 10: Hoare triple {507#false} assume !(0 != ~systemActive~0); {507#false} is VALID [2020-07-28 19:02:56,304 INFO L280 TraceCheckUtils]: 11: Hoare triple {507#false} havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {507#false} is VALID [2020-07-28 19:02:56,304 INFO L280 TraceCheckUtils]: 12: Hoare triple {507#false} __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret47 && __utac_acc__Specification4_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; {507#false} is VALID [2020-07-28 19:02:56,305 INFO L280 TraceCheckUtils]: 13: Hoare triple {507#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {507#false} is VALID [2020-07-28 19:02:56,305 INFO L280 TraceCheckUtils]: 14: Hoare triple {507#false} __utac_acc__Specification4_spec__1_#t~ret48 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret48 && __utac_acc__Specification4_spec__1_#t~ret48 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret48;havoc __utac_acc__Specification4_spec__1_#t~ret48; {507#false} is VALID [2020-07-28 19:02:56,306 INFO L280 TraceCheckUtils]: 15: Hoare triple {507#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {507#false} is VALID [2020-07-28 19:02:56,306 INFO L280 TraceCheckUtils]: 16: Hoare triple {507#false} assume !false; {507#false} is VALID [2020-07-28 19:02:56,308 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 19:02:56,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016826009] [2020-07-28 19:02:56,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:56,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:02:56,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861152692] [2020-07-28 19:02:56,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:02:56,312 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:56,312 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:02:56,353 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 19:02:56,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:02:56,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:56,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:02:56,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:02:56,355 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2020-07-28 19:02:56,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:56,591 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-07-28 19:02:56,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:02:56,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:02:56,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:56,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:56,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 93 transitions. [2020-07-28 19:02:56,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:02:56,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 93 transitions. [2020-07-28 19:02:56,598 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 93 transitions. [2020-07-28 19:02:56,721 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:56,722 INFO L225 Difference]: With dead ends: 67 [2020-07-28 19:02:56,723 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:02:56,724 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 19:02:56,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:02:56,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:02:56,745 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:56,745 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:02:56,746 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:02:56,746 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:02:56,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:56,750 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:02:56,750 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:02:56,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:56,751 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:56,751 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:02:56,751 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:02:56,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:56,756 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:02:56,756 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:02:56,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:56,759 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:56,760 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:56,760 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:56,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:02:56,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-07-28 19:02:56,764 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-07-28 19:02:56,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:56,765 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-07-28 19:02:56,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:02:56,765 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:02:56,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:02:56,767 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:56,767 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 19:02:56,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:02:56,768 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:56,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:56,768 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2020-07-28 19:02:56,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:56,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809839428] [2020-07-28 19:02:56,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:56,950 INFO L280 TraceCheckUtils]: 0: Hoare triple {721#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {721#true} is VALID [2020-07-28 19:02:56,950 INFO L280 TraceCheckUtils]: 1: Hoare triple {721#true} havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {721#true} is VALID [2020-07-28 19:02:56,951 INFO L280 TraceCheckUtils]: 2: Hoare triple {721#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {723#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:02:56,953 INFO L280 TraceCheckUtils]: 3: Hoare triple {723#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret11 := valid_product_#res;assume -2147483648 <= main_#t~ret11 && main_#t~ret11 <= 2147483647;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; {724#(= 1 ULTIMATE.start_main_~tmp~0)} is VALID [2020-07-28 19:02:56,953 INFO L280 TraceCheckUtils]: 4: Hoare triple {724#(= 1 ULTIMATE.start_main_~tmp~0)} assume 0 != main_~tmp~0; {721#true} is VALID [2020-07-28 19:02:56,954 INFO L280 TraceCheckUtils]: 5: Hoare triple {721#true} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {721#true} is VALID [2020-07-28 19:02:56,954 INFO L280 TraceCheckUtils]: 6: Hoare triple {721#true} assume !false; {721#true} is VALID [2020-07-28 19:02:56,954 INFO L280 TraceCheckUtils]: 7: Hoare triple {721#true} assume test_~splverifierCounter~0 < 4; {721#true} is VALID [2020-07-28 19:02:56,955 INFO L280 TraceCheckUtils]: 8: Hoare triple {721#true} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp~6 := test_#t~nondet67;havoc test_#t~nondet67; {721#true} is VALID [2020-07-28 19:02:56,955 INFO L280 TraceCheckUtils]: 9: Hoare triple {721#true} assume !(0 != test_~tmp~6); {721#true} is VALID [2020-07-28 19:02:56,955 INFO L280 TraceCheckUtils]: 10: Hoare triple {721#true} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; {721#true} is VALID [2020-07-28 19:02:56,956 INFO L280 TraceCheckUtils]: 11: Hoare triple {721#true} assume !(0 != test_~tmp___0~1); {721#true} is VALID [2020-07-28 19:02:56,956 INFO L280 TraceCheckUtils]: 12: Hoare triple {721#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; {721#true} is VALID [2020-07-28 19:02:56,957 INFO L280 TraceCheckUtils]: 13: Hoare triple {721#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {725#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:56,959 INFO L280 TraceCheckUtils]: 14: Hoare triple {725#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {725#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:02:56,960 INFO L280 TraceCheckUtils]: 15: Hoare triple {725#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {722#false} is VALID [2020-07-28 19:02:56,961 INFO L280 TraceCheckUtils]: 16: Hoare triple {722#false} havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {722#false} is VALID [2020-07-28 19:02:56,961 INFO L280 TraceCheckUtils]: 17: Hoare triple {722#false} __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret47 && __utac_acc__Specification4_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; {722#false} is VALID [2020-07-28 19:02:56,962 INFO L280 TraceCheckUtils]: 18: Hoare triple {722#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {722#false} is VALID [2020-07-28 19:02:56,962 INFO L280 TraceCheckUtils]: 19: Hoare triple {722#false} __utac_acc__Specification4_spec__1_#t~ret48 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret48 && __utac_acc__Specification4_spec__1_#t~ret48 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret48;havoc __utac_acc__Specification4_spec__1_#t~ret48; {722#false} is VALID [2020-07-28 19:02:56,962 INFO L280 TraceCheckUtils]: 20: Hoare triple {722#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {722#false} is VALID [2020-07-28 19:02:56,963 INFO L280 TraceCheckUtils]: 21: Hoare triple {722#false} assume !false; {722#false} is VALID [2020-07-28 19:02:56,964 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 19:02:56,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809839428] [2020-07-28 19:02:56,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:56,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:02:56,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616072211] [2020-07-28 19:02:56,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 19:02:56,966 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:56,966 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:02:57,027 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 19:02:57,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:02:57,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:57,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:02:57,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:02:57,028 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2020-07-28 19:02:57,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:57,518 INFO L93 Difference]: Finished difference Result 83 states and 120 transitions. [2020-07-28 19:02:57,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:02:57,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 19:02:57,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:57,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:57,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 120 transitions. [2020-07-28 19:02:57,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:57,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 120 transitions. [2020-07-28 19:02:57,524 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 120 transitions. [2020-07-28 19:02:57,703 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:57,706 INFO L225 Difference]: With dead ends: 83 [2020-07-28 19:02:57,706 INFO L226 Difference]: Without dead ends: 56 [2020-07-28 19:02:57,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:02:57,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-28 19:02:57,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2020-07-28 19:02:57,771 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:57,771 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 52 states. [2020-07-28 19:02:57,771 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 52 states. [2020-07-28 19:02:57,771 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 52 states. [2020-07-28 19:02:57,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:57,774 INFO L93 Difference]: Finished difference Result 56 states and 79 transitions. [2020-07-28 19:02:57,774 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2020-07-28 19:02:57,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:57,775 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:57,775 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 56 states. [2020-07-28 19:02:57,775 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 56 states. [2020-07-28 19:02:57,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:57,778 INFO L93 Difference]: Finished difference Result 56 states and 79 transitions. [2020-07-28 19:02:57,778 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2020-07-28 19:02:57,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:57,779 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:57,779 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:57,779 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-07-28 19:02:57,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-07-28 19:02:57,782 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2020-07-28 19:02:57,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:57,782 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-07-28 19:02:57,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:02:57,782 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-07-28 19:02:57,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 19:02:57,783 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:57,783 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 19:02:57,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:02:57,784 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:57,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:57,784 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2020-07-28 19:02:57,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:57,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474900772] [2020-07-28 19:02:57,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:57,872 INFO L280 TraceCheckUtils]: 0: Hoare triple {1039#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,873 INFO L280 TraceCheckUtils]: 1: Hoare triple {1041#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,874 INFO L280 TraceCheckUtils]: 2: Hoare triple {1041#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,875 INFO L280 TraceCheckUtils]: 3: Hoare triple {1041#(= 1 ~waterLevel~0)} main_#t~ret11 := valid_product_#res;assume -2147483648 <= main_#t~ret11 && main_#t~ret11 <= 2147483647;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,875 INFO L280 TraceCheckUtils]: 4: Hoare triple {1041#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,876 INFO L280 TraceCheckUtils]: 5: Hoare triple {1041#(= 1 ~waterLevel~0)} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,877 INFO L280 TraceCheckUtils]: 6: Hoare triple {1041#(= 1 ~waterLevel~0)} assume !false; {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,883 INFO L280 TraceCheckUtils]: 7: Hoare triple {1041#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,884 INFO L280 TraceCheckUtils]: 8: Hoare triple {1041#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp~6 := test_#t~nondet67;havoc test_#t~nondet67; {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,885 INFO L280 TraceCheckUtils]: 9: Hoare triple {1041#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~6); {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,885 INFO L280 TraceCheckUtils]: 10: Hoare triple {1041#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,886 INFO L280 TraceCheckUtils]: 11: Hoare triple {1041#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,887 INFO L280 TraceCheckUtils]: 12: Hoare triple {1041#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,887 INFO L280 TraceCheckUtils]: 13: Hoare triple {1041#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,888 INFO L280 TraceCheckUtils]: 14: Hoare triple {1041#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,889 INFO L280 TraceCheckUtils]: 15: Hoare triple {1041#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,889 INFO L280 TraceCheckUtils]: 16: Hoare triple {1041#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1041#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:57,890 INFO L280 TraceCheckUtils]: 17: Hoare triple {1041#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {1042#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:02:57,891 INFO L280 TraceCheckUtils]: 18: Hoare triple {1042#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret47 && __utac_acc__Specification4_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; {1043#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)} is VALID [2020-07-28 19:02:57,892 INFO L280 TraceCheckUtils]: 19: Hoare triple {1043#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {1040#false} is VALID [2020-07-28 19:02:57,892 INFO L280 TraceCheckUtils]: 20: Hoare triple {1040#false} __utac_acc__Specification4_spec__1_#t~ret48 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret48 && __utac_acc__Specification4_spec__1_#t~ret48 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret48;havoc __utac_acc__Specification4_spec__1_#t~ret48; {1040#false} is VALID [2020-07-28 19:02:57,893 INFO L280 TraceCheckUtils]: 21: Hoare triple {1040#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1040#false} is VALID [2020-07-28 19:02:57,893 INFO L280 TraceCheckUtils]: 22: Hoare triple {1040#false} assume !false; {1040#false} is VALID [2020-07-28 19:02:57,894 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 19:02:57,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474900772] [2020-07-28 19:02:57,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:57,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:02:57,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85797520] [2020-07-28 19:02:57,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 19:02:57,896 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:57,897 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:02:57,934 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 19:02:57,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:02:57,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:57,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:02:57,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:02:57,935 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-07-28 19:02:58,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:58,647 INFO L93 Difference]: Finished difference Result 189 states and 287 transitions. [2020-07-28 19:02:58,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:02:58,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 19:02:58,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:02:58,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 181 transitions. [2020-07-28 19:02:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:02:58,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 181 transitions. [2020-07-28 19:02:58,652 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 181 transitions. [2020-07-28 19:02:58,858 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 181 edges. 181 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:02:58,863 INFO L225 Difference]: With dead ends: 189 [2020-07-28 19:02:58,863 INFO L226 Difference]: Without dead ends: 143 [2020-07-28 19:02:58,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:02:58,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-28 19:02:58,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 92. [2020-07-28 19:02:59,000 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:02:59,000 INFO L82 GeneralOperation]: Start isEquivalent. First operand 143 states. Second operand 92 states. [2020-07-28 19:02:59,000 INFO L74 IsIncluded]: Start isIncluded. First operand 143 states. Second operand 92 states. [2020-07-28 19:02:59,001 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 92 states. [2020-07-28 19:02:59,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:59,007 INFO L93 Difference]: Finished difference Result 143 states and 209 transitions. [2020-07-28 19:02:59,007 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 209 transitions. [2020-07-28 19:02:59,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:59,009 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:59,009 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 143 states. [2020-07-28 19:02:59,009 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 143 states. [2020-07-28 19:02:59,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:02:59,015 INFO L93 Difference]: Finished difference Result 143 states and 209 transitions. [2020-07-28 19:02:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 209 transitions. [2020-07-28 19:02:59,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:02:59,018 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:02:59,018 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:02:59,018 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:02:59,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-07-28 19:02:59,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2020-07-28 19:02:59,022 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 23 [2020-07-28 19:02:59,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:02:59,023 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2020-07-28 19:02:59,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:02:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2020-07-28 19:02:59,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:02:59,024 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:02:59,024 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 19:02:59,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:02:59,024 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:02:59,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:02:59,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1869425907, now seen corresponding path program 1 times [2020-07-28 19:02:59,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:02:59,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881815177] [2020-07-28 19:02:59,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:02:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:02:59,113 INFO L280 TraceCheckUtils]: 0: Hoare triple {1741#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1743#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,114 INFO L280 TraceCheckUtils]: 1: Hoare triple {1743#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {1743#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,115 INFO L280 TraceCheckUtils]: 2: Hoare triple {1743#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {1743#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,115 INFO L280 TraceCheckUtils]: 3: Hoare triple {1743#(= 1 ~waterLevel~0)} main_#t~ret11 := valid_product_#res;assume -2147483648 <= main_#t~ret11 && main_#t~ret11 <= 2147483647;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; {1743#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,116 INFO L280 TraceCheckUtils]: 4: Hoare triple {1743#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {1743#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,117 INFO L280 TraceCheckUtils]: 5: Hoare triple {1743#(= 1 ~waterLevel~0)} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1743#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,117 INFO L280 TraceCheckUtils]: 6: Hoare triple {1743#(= 1 ~waterLevel~0)} assume !false; {1743#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,118 INFO L280 TraceCheckUtils]: 7: Hoare triple {1743#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1743#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,118 INFO L280 TraceCheckUtils]: 8: Hoare triple {1743#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp~6 := test_#t~nondet67;havoc test_#t~nondet67; {1743#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,119 INFO L280 TraceCheckUtils]: 9: Hoare triple {1743#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~6; {1743#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,120 INFO L280 TraceCheckUtils]: 10: Hoare triple {1743#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {1744#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,120 INFO L280 TraceCheckUtils]: 11: Hoare triple {1744#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; {1744#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,121 INFO L280 TraceCheckUtils]: 12: Hoare triple {1744#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {1744#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,121 INFO L280 TraceCheckUtils]: 13: Hoare triple {1744#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; {1744#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,122 INFO L280 TraceCheckUtils]: 14: Hoare triple {1744#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1744#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,123 INFO L280 TraceCheckUtils]: 15: Hoare triple {1744#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1744#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,123 INFO L280 TraceCheckUtils]: 16: Hoare triple {1744#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {1744#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,124 INFO L280 TraceCheckUtils]: 17: Hoare triple {1744#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1744#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:02:59,124 INFO L280 TraceCheckUtils]: 18: Hoare triple {1744#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {1745#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:02:59,125 INFO L280 TraceCheckUtils]: 19: Hoare triple {1745#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret47 && __utac_acc__Specification4_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; {1746#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)} is VALID [2020-07-28 19:02:59,126 INFO L280 TraceCheckUtils]: 20: Hoare triple {1746#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {1742#false} is VALID [2020-07-28 19:02:59,126 INFO L280 TraceCheckUtils]: 21: Hoare triple {1742#false} __utac_acc__Specification4_spec__1_#t~ret48 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret48 && __utac_acc__Specification4_spec__1_#t~ret48 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret48;havoc __utac_acc__Specification4_spec__1_#t~ret48; {1742#false} is VALID [2020-07-28 19:02:59,126 INFO L280 TraceCheckUtils]: 22: Hoare triple {1742#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1742#false} is VALID [2020-07-28 19:02:59,127 INFO L280 TraceCheckUtils]: 23: Hoare triple {1742#false} assume !false; {1742#false} is VALID [2020-07-28 19:02:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:02:59,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881815177] [2020-07-28 19:02:59,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:02:59,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:02:59,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583215247] [2020-07-28 19:02:59,129 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:02:59,129 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:02:59,129 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:02:59,163 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 19:02:59,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:02:59,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:02:59,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:02:59,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:02:59,164 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand 6 states. [2020-07-28 19:03:00,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:00,146 INFO L93 Difference]: Finished difference Result 212 states and 315 transitions. [2020-07-28 19:03:00,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:03:00,146 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:03:00,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:00,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 190 transitions. [2020-07-28 19:03:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 190 transitions. [2020-07-28 19:03:00,152 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 190 transitions. [2020-07-28 19:03:00,371 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 190 edges. 190 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:00,375 INFO L225 Difference]: With dead ends: 212 [2020-07-28 19:03:00,375 INFO L226 Difference]: Without dead ends: 166 [2020-07-28 19:03:00,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:03:00,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-28 19:03:00,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 130. [2020-07-28 19:03:00,576 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:00,576 INFO L82 GeneralOperation]: Start isEquivalent. First operand 166 states. Second operand 130 states. [2020-07-28 19:03:00,576 INFO L74 IsIncluded]: Start isIncluded. First operand 166 states. Second operand 130 states. [2020-07-28 19:03:00,577 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 130 states. [2020-07-28 19:03:00,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:00,583 INFO L93 Difference]: Finished difference Result 166 states and 238 transitions. [2020-07-28 19:03:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 238 transitions. [2020-07-28 19:03:00,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:00,585 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:00,585 INFO L74 IsIncluded]: Start isIncluded. First operand 130 states. Second operand 166 states. [2020-07-28 19:03:00,585 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 166 states. [2020-07-28 19:03:00,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:00,592 INFO L93 Difference]: Finished difference Result 166 states and 238 transitions. [2020-07-28 19:03:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 238 transitions. [2020-07-28 19:03:00,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:00,593 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:00,593 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:00,593 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:00,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-28 19:03:00,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 185 transitions. [2020-07-28 19:03:00,598 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 185 transitions. Word has length 24 [2020-07-28 19:03:00,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:00,599 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 185 transitions. [2020-07-28 19:03:00,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:03:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 185 transitions. [2020-07-28 19:03:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:00,600 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:00,600 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 19:03:00,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:03:00,601 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:00,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:00,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1423522528, now seen corresponding path program 1 times [2020-07-28 19:03:00,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:00,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761470875] [2020-07-28 19:03:00,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:00,663 INFO L280 TraceCheckUtils]: 0: Hoare triple {2579#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,664 INFO L280 TraceCheckUtils]: 1: Hoare triple {2581#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,665 INFO L280 TraceCheckUtils]: 2: Hoare triple {2581#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,666 INFO L280 TraceCheckUtils]: 3: Hoare triple {2581#(= 0 ~pumpRunning~0)} main_#t~ret11 := valid_product_#res;assume -2147483648 <= main_#t~ret11 && main_#t~ret11 <= 2147483647;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,666 INFO L280 TraceCheckUtils]: 4: Hoare triple {2581#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,667 INFO L280 TraceCheckUtils]: 5: Hoare triple {2581#(= 0 ~pumpRunning~0)} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,668 INFO L280 TraceCheckUtils]: 6: Hoare triple {2581#(= 0 ~pumpRunning~0)} assume !false; {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,669 INFO L280 TraceCheckUtils]: 7: Hoare triple {2581#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,669 INFO L280 TraceCheckUtils]: 8: Hoare triple {2581#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp~6 := test_#t~nondet67;havoc test_#t~nondet67; {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,670 INFO L280 TraceCheckUtils]: 9: Hoare triple {2581#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~6); {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,671 INFO L280 TraceCheckUtils]: 10: Hoare triple {2581#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,672 INFO L280 TraceCheckUtils]: 11: Hoare triple {2581#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,672 INFO L280 TraceCheckUtils]: 12: Hoare triple {2581#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,673 INFO L280 TraceCheckUtils]: 13: Hoare triple {2581#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2581#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:00,674 INFO L280 TraceCheckUtils]: 14: Hoare triple {2581#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {2580#false} is VALID [2020-07-28 19:03:00,674 INFO L280 TraceCheckUtils]: 15: Hoare triple {2580#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2580#false} is VALID [2020-07-28 19:03:00,674 INFO L280 TraceCheckUtils]: 16: Hoare triple {2580#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {2580#false} is VALID [2020-07-28 19:03:00,674 INFO L280 TraceCheckUtils]: 17: Hoare triple {2580#false} assume !(0 != ~pumpRunning~0); {2580#false} is VALID [2020-07-28 19:03:00,675 INFO L280 TraceCheckUtils]: 18: Hoare triple {2580#false} havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {2580#false} is VALID [2020-07-28 19:03:00,675 INFO L280 TraceCheckUtils]: 19: Hoare triple {2580#false} __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret47 && __utac_acc__Specification4_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; {2580#false} is VALID [2020-07-28 19:03:00,675 INFO L280 TraceCheckUtils]: 20: Hoare triple {2580#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {2580#false} is VALID [2020-07-28 19:03:00,675 INFO L280 TraceCheckUtils]: 21: Hoare triple {2580#false} __utac_acc__Specification4_spec__1_#t~ret48 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret48 && __utac_acc__Specification4_spec__1_#t~ret48 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret48;havoc __utac_acc__Specification4_spec__1_#t~ret48; {2580#false} is VALID [2020-07-28 19:03:00,676 INFO L280 TraceCheckUtils]: 22: Hoare triple {2580#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {2580#false} is VALID [2020-07-28 19:03:00,676 INFO L280 TraceCheckUtils]: 23: Hoare triple {2580#false} assume !false; {2580#false} is VALID [2020-07-28 19:03:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:00,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761470875] [2020-07-28 19:03:00,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:00,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:00,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571160584] [2020-07-28 19:03:00,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:00,679 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:00,680 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:00,712 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 19:03:00,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:00,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:00,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:00,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:00,713 INFO L87 Difference]: Start difference. First operand 130 states and 185 transitions. Second operand 3 states. [2020-07-28 19:03:00,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:00,965 INFO L93 Difference]: Finished difference Result 200 states and 285 transitions. [2020-07-28 19:03:00,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:00,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:00,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:00,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:03:00,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:00,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:03:00,969 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 75 transitions. [2020-07-28 19:03:01,055 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:01,055 INFO L225 Difference]: With dead ends: 200 [2020-07-28 19:03:01,055 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:03:01,057 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 19:03:01,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:03:01,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:03:01,058 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:01,058 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:01,058 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:01,059 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:01,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:01,059 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:01,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:01,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:01,059 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:01,060 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:01,060 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:01,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:01,062 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:01,063 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:01,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:01,063 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:01,063 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:01,063 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:01,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:03:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:03:01,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-07-28 19:03:01,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:01,064 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:03:01,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:01,065 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:01,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:01,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:03:01,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:03:01,544 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2020-07-28 19:03:01,881 INFO L268 CegarLoopResult]: For program point L828(lines 827 876) no Hoare annotation was computed. [2020-07-28 19:03:01,881 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2020-07-28 19:03:01,882 INFO L264 CegarLoopResult]: At program point L151(lines 1 893) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:03:01,882 INFO L268 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2020-07-28 19:03:01,882 INFO L268 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2020-07-28 19:03:01,882 INFO L268 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2020-07-28 19:03:01,882 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:03:01,882 INFO L268 CegarLoopResult]: For program point L829(lines 829 833) no Hoare annotation was computed. [2020-07-28 19:03:01,882 INFO L268 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-07-28 19:03:01,883 INFO L264 CegarLoopResult]: At program point L797-1(lines 797 803) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:03:01,883 INFO L268 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-07-28 19:03:01,883 INFO L264 CegarLoopResult]: At program point L847-1(lines 847 853) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~waterLevel~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse0 (= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse4 .cse3))) [2020-07-28 19:03:01,883 INFO L264 CegarLoopResult]: At program point L121(lines 116 124) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (and (= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:03:01,883 INFO L264 CegarLoopResult]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2020-07-28 19:03:01,883 INFO L264 CegarLoopResult]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2020-07-28 19:03:01,884 INFO L268 CegarLoopResult]: For program point L865(lines 865 871) no Hoare annotation was computed. [2020-07-28 19:03:01,884 INFO L264 CegarLoopResult]: At program point L865-1(lines 668 674) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:03:01,884 INFO L268 CegarLoopResult]: For program point L700(lines 700 717) no Hoare annotation was computed. [2020-07-28 19:03:01,884 INFO L268 CegarLoopResult]: For program point L700-1(lines 700 717) no Hoare annotation was computed. [2020-07-28 19:03:01,884 INFO L268 CegarLoopResult]: For program point L700-2(lines 700 717) no Hoare annotation was computed. [2020-07-28 19:03:01,885 INFO L264 CegarLoopResult]: At program point L89(lines 84 92) the Hoare annotation is: false [2020-07-28 19:03:01,885 INFO L264 CegarLoopResult]: At program point L89-1(lines 84 92) the Hoare annotation is: false [2020-07-28 19:03:01,885 INFO L264 CegarLoopResult]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2020-07-28 19:03:01,885 INFO L264 CegarLoopResult]: At program point L668(lines 667 686) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:03:01,885 INFO L268 CegarLoopResult]: For program point L668-1(lines 668 674) no Hoare annotation was computed. [2020-07-28 19:03:01,886 INFO L264 CegarLoopResult]: At program point L668-2(lines 667 686) the Hoare annotation is: false [2020-07-28 19:03:01,886 INFO L264 CegarLoopResult]: At program point L668-3(lines 667 686) the Hoare annotation is: false [2020-07-28 19:03:01,886 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:03:01,886 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2020-07-28 19:03:01,886 INFO L264 CegarLoopResult]: At program point L753(lines 748 756) the Hoare annotation is: false [2020-07-28 19:03:01,886 INFO L264 CegarLoopResult]: At program point L753-1(lines 748 756) the Hoare annotation is: false [2020-07-28 19:03:01,886 INFO L264 CegarLoopResult]: At program point L753-2(lines 748 756) the Hoare annotation is: false [2020-07-28 19:03:01,886 INFO L268 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2020-07-28 19:03:01,886 INFO L271 CegarLoopResult]: At program point L258(lines 239 261) the Hoare annotation is: true [2020-07-28 19:03:01,887 INFO L264 CegarLoopResult]: At program point L225(lines 221 227) 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 19:03:01,887 INFO L268 CegarLoopResult]: For program point L704(lines 704 712) no Hoare annotation was computed. [2020-07-28 19:03:01,887 INFO L264 CegarLoopResult]: At program point L159(lines 154 162) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:03:01,887 INFO L268 CegarLoopResult]: For program point L704-1(lines 704 712) no Hoare annotation was computed. [2020-07-28 19:03:01,887 INFO L268 CegarLoopResult]: For program point L704-2(lines 704 712) no Hoare annotation was computed. [2020-07-28 19:03:01,887 INFO L264 CegarLoopResult]: At program point L176-2(lines 176 190) the Hoare annotation is: false [2020-07-28 19:03:01,887 INFO L268 CegarLoopResult]: For program point L837(lines 837 843) no Hoare annotation was computed. [2020-07-28 19:03:01,887 INFO L264 CegarLoopResult]: At program point L837-1(lines 837 843) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~waterLevel~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse0 (= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse4 .cse3))) [2020-07-28 19:03:01,888 INFO L268 CegarLoopResult]: For program point L639(lines 639 652) no Hoare annotation was computed. [2020-07-28 19:03:01,888 INFO L264 CegarLoopResult]: At program point L639-1(lines 1 893) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~waterLevel~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse0 .cse1 .cse2 .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (and (= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse0 (= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse4 .cse3))) [2020-07-28 19:03:01,888 INFO L268 CegarLoopResult]: For program point L639-2(lines 639 652) no Hoare annotation was computed. [2020-07-28 19:03:01,888 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:03:01,888 INFO L264 CegarLoopResult]: At program point L639-3(lines 1 893) the Hoare annotation is: false [2020-07-28 19:03:01,888 INFO L268 CegarLoopResult]: For program point L639-4(lines 639 652) no Hoare annotation was computed. [2020-07-28 19:03:01,888 INFO L264 CegarLoopResult]: At program point L639-5(lines 1 893) the Hoare annotation is: false [2020-07-28 19:03:01,888 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-07-28 19:03:01,888 INFO L264 CegarLoopResult]: At program point L675(lines 675 681) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:03:01,889 INFO L264 CegarLoopResult]: At program point L675-1(lines 675 681) the Hoare annotation is: false [2020-07-28 19:03:01,889 INFO L264 CegarLoopResult]: At program point L675-2(lines 675 681) the Hoare annotation is: false [2020-07-28 19:03:01,889 INFO L268 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2020-07-28 19:03:01,889 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-07-28 19:03:01,889 INFO L268 CegarLoopResult]: For program point L857(lines 857 872) no Hoare annotation was computed. [2020-07-28 19:03:01,889 INFO L268 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-07-28 19:03:01,889 INFO L268 CegarLoopResult]: For program point L890-2(line 890) no Hoare annotation was computed. [2020-07-28 19:03:01,889 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-28 19:03:01,889 INFO L268 CegarLoopResult]: For program point L180-1(lines 668 674) no Hoare annotation was computed. [2020-07-28 19:03:01,889 INFO L268 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2020-07-28 19:03:01,889 INFO L268 CegarLoopResult]: For program point L643-2(lines 643 649) no Hoare annotation was computed. [2020-07-28 19:03:01,890 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:03:01,890 INFO L268 CegarLoopResult]: For program point L643-4(lines 643 649) no Hoare annotation was computed. [2020-07-28 19:03:01,890 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2020-07-28 19:03:01,890 INFO L264 CegarLoopResult]: At program point L744(lines 737 747) the Hoare annotation is: false [2020-07-28 19:03:01,890 INFO L264 CegarLoopResult]: At program point L744-1(lines 737 747) the Hoare annotation is: false [2020-07-28 19:03:01,890 INFO L264 CegarLoopResult]: At program point L744-2(lines 737 747) the Hoare annotation is: false [2020-07-28 19:03:01,890 INFO L268 CegarLoopResult]: For program point L249(lines 249 256) no Hoare annotation was computed. [2020-07-28 19:03:01,890 INFO L271 CegarLoopResult]: At program point L249-1(lines 249 256) the Hoare annotation is: true [2020-07-28 19:03:01,891 INFO L264 CegarLoopResult]: At program point L877(lines 826 878) the Hoare annotation is: false [2020-07-28 19:03:01,894 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:03:01,894 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:03:01,895 WARN L170 areAnnotationChecker]: L249 has no Hoare annotation [2020-07-28 19:03:01,895 WARN L170 areAnnotationChecker]: L249 has no Hoare annotation [2020-07-28 19:03:01,895 WARN L170 areAnnotationChecker]: L249 has no Hoare annotation [2020-07-28 19:03:01,897 WARN L170 areAnnotationChecker]: L828 has no Hoare annotation [2020-07-28 19:03:01,897 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:01,897 WARN L170 areAnnotationChecker]: L668-1 has no Hoare annotation [2020-07-28 19:03:01,897 WARN L170 areAnnotationChecker]: L828 has no Hoare annotation [2020-07-28 19:03:01,897 WARN L170 areAnnotationChecker]: L828 has no Hoare annotation [2020-07-28 19:03:01,897 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:01,897 WARN L170 areAnnotationChecker]: L668-1 has no Hoare annotation [2020-07-28 19:03:01,897 WARN L170 areAnnotationChecker]: L668-1 has no Hoare annotation [2020-07-28 19:03:01,897 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-28 19:03:01,897 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 19:03:01,898 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 19:03:01,898 WARN L170 areAnnotationChecker]: L700-1 has no Hoare annotation [2020-07-28 19:03:01,898 WARN L170 areAnnotationChecker]: L837 has no Hoare annotation [2020-07-28 19:03:01,898 WARN L170 areAnnotationChecker]: L837 has no Hoare annotation [2020-07-28 19:03:01,898 WARN L170 areAnnotationChecker]: L700-1 has no Hoare annotation [2020-07-28 19:03:01,898 WARN L170 areAnnotationChecker]: L700-1 has no Hoare annotation [2020-07-28 19:03:01,898 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:03:01,898 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:03:01,898 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-28 19:03:01,898 WARN L170 areAnnotationChecker]: L639-2 has no Hoare annotation [2020-07-28 19:03:01,898 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-28 19:03:01,899 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-28 19:03:01,899 WARN L170 areAnnotationChecker]: L704-1 has no Hoare annotation [2020-07-28 19:03:01,899 WARN L170 areAnnotationChecker]: L639-2 has no Hoare annotation [2020-07-28 19:03:01,899 WARN L170 areAnnotationChecker]: L639-2 has no Hoare annotation [2020-07-28 19:03:01,899 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 19:03:01,899 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 19:03:01,899 WARN L170 areAnnotationChecker]: L857 has no Hoare annotation [2020-07-28 19:03:01,900 WARN L170 areAnnotationChecker]: L704-1 has no Hoare annotation [2020-07-28 19:03:01,900 WARN L170 areAnnotationChecker]: L704-1 has no Hoare annotation [2020-07-28 19:03:01,900 WARN L170 areAnnotationChecker]: L643-2 has no Hoare annotation [2020-07-28 19:03:01,901 WARN L170 areAnnotationChecker]: L857 has no Hoare annotation [2020-07-28 19:03:01,901 WARN L170 areAnnotationChecker]: L857 has no Hoare annotation [2020-07-28 19:03:01,901 WARN L170 areAnnotationChecker]: L643-2 has no Hoare annotation [2020-07-28 19:03:01,901 WARN L170 areAnnotationChecker]: L643-2 has no Hoare annotation [2020-07-28 19:03:01,901 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-28 19:03:01,901 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 19:03:01,902 WARN L170 areAnnotationChecker]: L865 has no Hoare annotation [2020-07-28 19:03:01,902 WARN L170 areAnnotationChecker]: L865 has no Hoare annotation [2020-07-28 19:03:01,902 WARN L170 areAnnotationChecker]: L890-1 has no Hoare annotation [2020-07-28 19:03:01,902 WARN L170 areAnnotationChecker]: L890-1 has no Hoare annotation [2020-07-28 19:03:01,902 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-28 19:03:01,902 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 19:03:01,902 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 19:03:01,902 WARN L170 areAnnotationChecker]: L700 has no Hoare annotation [2020-07-28 19:03:01,903 WARN L170 areAnnotationChecker]: L797 has no Hoare annotation [2020-07-28 19:03:01,903 WARN L170 areAnnotationChecker]: L797 has no Hoare annotation [2020-07-28 19:03:01,903 WARN L170 areAnnotationChecker]: L180 has no Hoare annotation [2020-07-28 19:03:01,903 WARN L170 areAnnotationChecker]: L180 has no Hoare annotation [2020-07-28 19:03:01,903 WARN L170 areAnnotationChecker]: L700 has no Hoare annotation [2020-07-28 19:03:01,903 WARN L170 areAnnotationChecker]: L700 has no Hoare annotation [2020-07-28 19:03:01,904 WARN L170 areAnnotationChecker]: L180-1 has no Hoare annotation [2020-07-28 19:03:01,905 WARN L170 areAnnotationChecker]: L180-1 has no Hoare annotation [2020-07-28 19:03:01,905 WARN L170 areAnnotationChecker]: L639 has no Hoare annotation [2020-07-28 19:03:01,905 WARN L170 areAnnotationChecker]: L52-6 has no Hoare annotation [2020-07-28 19:03:01,905 WARN L170 areAnnotationChecker]: L52-6 has no Hoare annotation [2020-07-28 19:03:01,905 WARN L170 areAnnotationChecker]: L700-2 has no Hoare annotation [2020-07-28 19:03:01,905 WARN L170 areAnnotationChecker]: L704 has no Hoare annotation [2020-07-28 19:03:01,905 WARN L170 areAnnotationChecker]: L639 has no Hoare annotation [2020-07-28 19:03:01,905 WARN L170 areAnnotationChecker]: L639 has no Hoare annotation [2020-07-28 19:03:01,906 WARN L170 areAnnotationChecker]: L700-2 has no Hoare annotation [2020-07-28 19:03:01,906 WARN L170 areAnnotationChecker]: L700-2 has no Hoare annotation [2020-07-28 19:03:01,906 WARN L170 areAnnotationChecker]: L704 has no Hoare annotation [2020-07-28 19:03:01,906 WARN L170 areAnnotationChecker]: L704 has no Hoare annotation [2020-07-28 19:03:01,906 WARN L170 areAnnotationChecker]: L643 has no Hoare annotation [2020-07-28 19:03:01,906 WARN L170 areAnnotationChecker]: L639-4 has no Hoare annotation [2020-07-28 19:03:01,906 WARN L170 areAnnotationChecker]: L643 has no Hoare annotation [2020-07-28 19:03:01,906 WARN L170 areAnnotationChecker]: L643 has no Hoare annotation [2020-07-28 19:03:01,906 WARN L170 areAnnotationChecker]: L704-2 has no Hoare annotation [2020-07-28 19:03:01,906 WARN L170 areAnnotationChecker]: L639-4 has no Hoare annotation [2020-07-28 19:03:01,906 WARN L170 areAnnotationChecker]: L639-4 has no Hoare annotation [2020-07-28 19:03:01,907 WARN L170 areAnnotationChecker]: L890 has no Hoare annotation [2020-07-28 19:03:01,907 WARN L170 areAnnotationChecker]: L890 has no Hoare annotation [2020-07-28 19:03:01,907 WARN L170 areAnnotationChecker]: L704-2 has no Hoare annotation [2020-07-28 19:03:01,907 WARN L170 areAnnotationChecker]: L704-2 has no Hoare annotation [2020-07-28 19:03:01,907 WARN L170 areAnnotationChecker]: L643-4 has no Hoare annotation [2020-07-28 19:03:01,907 WARN L170 areAnnotationChecker]: L643-4 has no Hoare annotation [2020-07-28 19:03:01,907 WARN L170 areAnnotationChecker]: L643-4 has no Hoare annotation [2020-07-28 19:03:01,907 WARN L170 areAnnotationChecker]: L890-2 has no Hoare annotation [2020-07-28 19:03:01,907 WARN L170 areAnnotationChecker]: L890-2 has no Hoare annotation [2020-07-28 19:03:01,907 INFO L163 areAnnotationChecker]: CFG has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:03:01,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:03:01 BoogieIcfgContainer [2020-07-28 19:03:01,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:03:01,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:03:01,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:03:01,931 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:03:01,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:02:54" (3/4) ... [2020-07-28 19:03:01,936 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:03:01,954 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:03:01,954 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:03:01,955 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:03:01,955 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:03:01,956 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:03:01,957 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:01,957 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:01,987 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel [2020-07-28 19:03:01,987 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp [2020-07-28 19:03:01,988 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && 2 <= tmp) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 2 <= \result) || ((((((1 == \result && 0 == splverifierCounter) && 1 == tmp) && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:03:01,988 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((((1 == \result && 0 == splverifierCounter) && 1 == tmp) && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:03:01,989 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((((1 == \result && 0 == splverifierCounter) && 1 == tmp) && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:03:01,989 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:03:01,989 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:03:01,990 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:03:01,990 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:03:01,991 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 2 <= \result) || (((((1 == \result && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) [2020-07-28 19:03:02,050 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:03:02,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:03:02,053 INFO L168 Benchmark]: Toolchain (without parser) took 9706.08 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.0 MB). Free memory was 960.2 MB in the beginning and 982.8 MB in the end (delta: -22.6 MB). Peak memory consumption was 280.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:02,053 INFO L168 Benchmark]: CDTParser took 0.31 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 19:03:02,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:02,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.10 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 19:03:02,054 INFO L168 Benchmark]: Boogie Preprocessor took 61.78 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 19:03:02,054 INFO L168 Benchmark]: RCFGBuilder took 1576.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.4 MB in the end (delta: 139.2 MB). Peak memory consumption was 139.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:02,055 INFO L168 Benchmark]: TraceAbstraction took 7079.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.0 MB). Free memory was 966.4 MB in the beginning and 992.2 MB in the end (delta: -25.7 MB). Peak memory consumption was 147.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:02,055 INFO L168 Benchmark]: Witness Printer took 119.33 ms. Allocated memory is still 1.3 GB. Free memory was 992.2 MB in the beginning and 982.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:02,057 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 0.31 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 760.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.10 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 61.78 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 1576.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.4 MB in the end (delta: 139.2 MB). Peak memory consumption was 139.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7079.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.0 MB). Free memory was 966.4 MB in the beginning and 992.2 MB in the end (delta: -25.7 MB). Peak memory consumption was 147.3 MB. Max. memory is 11.5 GB. * Witness Printer took 119.33 ms. Allocated memory is still 1.3 GB. Free memory was 992.2 MB in the beginning and 982.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: 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: 837]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((((1 == \result && 0 == splverifierCounter) && 1 == tmp) && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((((1 == \result && 0 == splverifierCounter) && 1 == tmp) && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && 2 <= tmp) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 2 <= \result) || ((((((1 == \result && 0 == splverifierCounter) && 1 == tmp) && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp)) || (((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) || ((((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 2 <= \result) || (((((1 == \result && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 378 SDtfs, 507 SDslu, 411 SDs, 0 SdLazy, 82 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 64 NumberOfFragments, 417 HoareAnnotationTreeSize, 32 FomulaSimplifications, 918 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 357 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 5138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...