./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product15.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_product15.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 c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:03:02,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:03:02,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:03:02,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:03:02,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:03:02,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:03:02,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:03:02,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:03:02,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:03:02,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:03:02,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:03:02,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:03:02,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:03:02,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:03:02,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:03:02,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:03:02,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:03:02,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:03:02,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:03:02,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:03:02,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:03:02,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:03:02,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:03:02,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:03:02,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:03:02,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:03:02,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:03:02,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:03:02,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:03:02,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:03:02,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:03:02,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:03:02,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:03:02,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:03:02,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:03:02,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:03:02,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:03:02,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:03:02,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:03:02,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:03:02,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:03:02,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:03:02,075 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:03:02,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:03:02,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:03:02,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:03:02,077 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:03:02,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:03:02,077 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:03:02,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:03:02,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:03:02,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:03:02,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:03:02,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:03:02,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:03:02,079 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:03:02,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:03:02,080 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:03:02,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:03:02,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:03:02,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:03:02,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:03:02,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:03:02,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:02,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:03:02,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:03:02,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:03:02,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:03:02,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:03:02,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:03:02,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:03:02,083 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 -> c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 [2020-07-28 19:03:02,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:03:02,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:03:02,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:03:02,432 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:03:02,433 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:03:02,433 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2020-07-28 19:03:02,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104160562/dbb58f64d94143cdbed7fcb46b5f2ba9/FLAGf12db6119 [2020-07-28 19:03:03,014 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:03:03,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2020-07-28 19:03:03,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104160562/dbb58f64d94143cdbed7fcb46b5f2ba9/FLAGf12db6119 [2020-07-28 19:03:03,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104160562/dbb58f64d94143cdbed7fcb46b5f2ba9 [2020-07-28 19:03:03,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:03:03,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:03:03,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:03,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:03:03,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:03:03,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:03" (1/1) ... [2020-07-28 19:03:03,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5f70b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:03, skipping insertion in model container [2020-07-28 19:03:03,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:03" (1/1) ... [2020-07-28 19:03:03,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:03:03,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:03:03,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:03,924 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:03:04,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:04,107 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:03:04,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:04 WrapperNode [2020-07-28 19:03:04,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:04,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:04,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:03:04,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:03:04,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:04" (1/1) ... [2020-07-28 19:03:04,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:04" (1/1) ... [2020-07-28 19:03:04,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:04,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:03:04,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:03:04,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:03:04,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:04" (1/1) ... [2020-07-28 19:03:04,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:04" (1/1) ... [2020-07-28 19:03:04,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:04" (1/1) ... [2020-07-28 19:03:04,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:04" (1/1) ... [2020-07-28 19:03:04,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:04" (1/1) ... [2020-07-28 19:03:04,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:04" (1/1) ... [2020-07-28 19:03:04,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:04" (1/1) ... [2020-07-28 19:03:04,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:03:04,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:03:04,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:03:04,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:03:04,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:04" (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 19:03:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:03:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:03:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:03:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:03:05,728 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:03:05,728 INFO L295 CfgBuilder]: Removed 100 assume(true) statements. [2020-07-28 19:03:05,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:05 BoogieIcfgContainer [2020-07-28 19:03:05,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:03:05,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:03:05,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:03:05,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:03:05,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:03:03" (1/3) ... [2020-07-28 19:03:05,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22703b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:05, skipping insertion in model container [2020-07-28 19:03:05,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:04" (2/3) ... [2020-07-28 19:03:05,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22703b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:05, skipping insertion in model container [2020-07-28 19:03:05,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:05" (3/3) ... [2020-07-28 19:03:05,742 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2020-07-28 19:03:05,752 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:03:05,760 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:03:05,774 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:03:05,797 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:03:05,797 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:03:05,798 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:03:05,798 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:03:05,798 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:03:05,799 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:03:05,799 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:03:05,799 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:03:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-07-28 19:03:05,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:03:05,825 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:05,826 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:05,827 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:05,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:05,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1114813757, now seen corresponding path program 1 times [2020-07-28 19:03:05,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:05,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241796950] [2020-07-28 19:03:05,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:06,212 INFO L280 TraceCheckUtils]: 0: Hoare triple {74#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {74#true} is VALID [2020-07-28 19:03:06,213 INFO L280 TraceCheckUtils]: 1: Hoare triple {74#true} havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {74#true} is VALID [2020-07-28 19:03:06,214 INFO L280 TraceCheckUtils]: 2: Hoare triple {74#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {74#true} is VALID [2020-07-28 19:03:06,214 INFO L280 TraceCheckUtils]: 3: Hoare triple {74#true} main_#t~ret69 := valid_product_#res;assume -2147483648 <= main_#t~ret69 && main_#t~ret69 <= 2147483647;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; {74#true} is VALID [2020-07-28 19:03:06,215 INFO L280 TraceCheckUtils]: 4: Hoare triple {74#true} assume 0 != main_~tmp~6; {74#true} is VALID [2020-07-28 19:03:06,217 INFO L280 TraceCheckUtils]: 5: Hoare triple {74#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {74#true} is VALID [2020-07-28 19:03:06,218 INFO L280 TraceCheckUtils]: 6: Hoare triple {74#true} assume false; {75#false} is VALID [2020-07-28 19:03:06,219 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 19:03:06,219 INFO L280 TraceCheckUtils]: 8: Hoare triple {75#false} assume !(0 != ~pumpRunning~0); {75#false} is VALID [2020-07-28 19:03:06,220 INFO L280 TraceCheckUtils]: 9: Hoare triple {75#false} assume !(0 != ~systemActive~0); {75#false} is VALID [2020-07-28 19:03:06,220 INFO L280 TraceCheckUtils]: 10: Hoare triple {75#false} havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {75#false} is VALID [2020-07-28 19:03:06,221 INFO L280 TraceCheckUtils]: 11: Hoare triple {75#false} __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret70 && __utac_acc__Specification4_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; {75#false} is VALID [2020-07-28 19:03:06,221 INFO L280 TraceCheckUtils]: 12: Hoare triple {75#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {75#false} is VALID [2020-07-28 19:03:06,221 INFO L280 TraceCheckUtils]: 13: Hoare triple {75#false} __utac_acc__Specification4_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {75#false} is VALID [2020-07-28 19:03:06,222 INFO L280 TraceCheckUtils]: 14: Hoare triple {75#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {75#false} is VALID [2020-07-28 19:03:06,224 INFO L280 TraceCheckUtils]: 15: Hoare triple {75#false} assume !false; {75#false} is VALID [2020-07-28 19:03:06,228 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 19:03:06,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241796950] [2020-07-28 19:03:06,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:06,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:06,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589924390] [2020-07-28 19:03:06,240 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:06,244 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:06,248 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:03:06,297 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 19:03:06,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:03:06,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:06,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:03:06,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:06,311 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2020-07-28 19:03:06,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:06,604 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2020-07-28 19:03:06,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:03:06,604 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:06,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:06,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 203 transitions. [2020-07-28 19:03:06,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 203 transitions. [2020-07-28 19:03:06,637 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 203 transitions. [2020-07-28 19:03:06,926 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 19:03:06,942 INFO L225 Difference]: With dead ends: 136 [2020-07-28 19:03:06,943 INFO L226 Difference]: Without dead ends: 67 [2020-07-28 19:03:06,947 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 19:03:06,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-28 19:03:07,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-07-28 19:03:07,003 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:07,003 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 67 states. [2020-07-28 19:03:07,004 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2020-07-28 19:03:07,004 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2020-07-28 19:03:07,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:07,010 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-07-28 19:03:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-07-28 19:03:07,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:07,012 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:07,013 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2020-07-28 19:03:07,013 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2020-07-28 19:03:07,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:07,018 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-07-28 19:03:07,019 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-07-28 19:03:07,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:07,020 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:07,020 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:07,021 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-07-28 19:03:07,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-07-28 19:03:07,027 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-07-28 19:03:07,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:07,028 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-07-28 19:03:07,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:03:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-07-28 19:03:07,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:03:07,030 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:07,030 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 19:03:07,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:03:07,031 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:07,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:07,032 INFO L82 PathProgramCache]: Analyzing trace with hash 2133396642, now seen corresponding path program 1 times [2020-07-28 19:03:07,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:07,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51860722] [2020-07-28 19:03:07,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:07,165 INFO L280 TraceCheckUtils]: 0: Hoare triple {506#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {506#true} is VALID [2020-07-28 19:03:07,166 INFO L280 TraceCheckUtils]: 1: Hoare triple {506#true} havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {506#true} is VALID [2020-07-28 19:03:07,166 INFO L280 TraceCheckUtils]: 2: Hoare triple {506#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {506#true} is VALID [2020-07-28 19:03:07,167 INFO L280 TraceCheckUtils]: 3: Hoare triple {506#true} main_#t~ret69 := valid_product_#res;assume -2147483648 <= main_#t~ret69 && main_#t~ret69 <= 2147483647;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; {506#true} is VALID [2020-07-28 19:03:07,167 INFO L280 TraceCheckUtils]: 4: Hoare triple {506#true} assume 0 != main_~tmp~6; {506#true} is VALID [2020-07-28 19:03:07,168 INFO L280 TraceCheckUtils]: 5: Hoare triple {506#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {508#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:07,169 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 19:03:07,170 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 19:03:07,171 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 19:03:07,171 INFO L280 TraceCheckUtils]: 9: Hoare triple {507#false} assume !(0 != ~pumpRunning~0); {507#false} is VALID [2020-07-28 19:03:07,172 INFO L280 TraceCheckUtils]: 10: Hoare triple {507#false} assume !(0 != ~systemActive~0); {507#false} is VALID [2020-07-28 19:03:07,172 INFO L280 TraceCheckUtils]: 11: Hoare triple {507#false} havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {507#false} is VALID [2020-07-28 19:03:07,172 INFO L280 TraceCheckUtils]: 12: Hoare triple {507#false} __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret70 && __utac_acc__Specification4_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; {507#false} is VALID [2020-07-28 19:03:07,172 INFO L280 TraceCheckUtils]: 13: Hoare triple {507#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {507#false} is VALID [2020-07-28 19:03:07,173 INFO L280 TraceCheckUtils]: 14: Hoare triple {507#false} __utac_acc__Specification4_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {507#false} is VALID [2020-07-28 19:03:07,173 INFO L280 TraceCheckUtils]: 15: Hoare triple {507#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {507#false} is VALID [2020-07-28 19:03:07,174 INFO L280 TraceCheckUtils]: 16: Hoare triple {507#false} assume !false; {507#false} is VALID [2020-07-28 19:03:07,175 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 19:03:07,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51860722] [2020-07-28 19:03:07,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:07,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:07,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988119093] [2020-07-28 19:03:07,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:07,179 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:07,180 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:07,212 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 19:03:07,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:07,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:07,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:07,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:07,213 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2020-07-28 19:03:07,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:07,528 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-07-28 19:03:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:07,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:07,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:07,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:07,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 93 transitions. [2020-07-28 19:03:07,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:07,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 93 transitions. [2020-07-28 19:03:07,534 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 93 transitions. [2020-07-28 19:03:07,656 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 19:03:07,658 INFO L225 Difference]: With dead ends: 67 [2020-07-28 19:03:07,658 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:03:07,660 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 19:03:07,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:03:07,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:03:07,683 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:07,683 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:07,683 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:07,683 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:07,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:07,689 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:03:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:03:07,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:07,690 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:07,690 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:07,690 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:07,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:07,694 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:03:07,694 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:03:07,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:07,695 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:07,695 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:07,695 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:07,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:03:07,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-07-28 19:03:07,697 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-07-28 19:03:07,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:07,698 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-07-28 19:03:07,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:07,698 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:03:07,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:07,699 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:07,699 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 19:03:07,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:03:07,702 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:07,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:07,703 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2020-07-28 19:03:07,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:07,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75692020] [2020-07-28 19:03:07,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:07,914 INFO L280 TraceCheckUtils]: 0: Hoare triple {721#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {723#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:07,916 INFO L280 TraceCheckUtils]: 1: Hoare triple {723#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {723#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:07,917 INFO L280 TraceCheckUtils]: 2: Hoare triple {723#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {724#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 19:03:07,918 INFO L280 TraceCheckUtils]: 3: Hoare triple {724#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret69 := valid_product_#res;assume -2147483648 <= main_#t~ret69 && main_#t~ret69 <= 2147483647;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; {725#(= ULTIMATE.start_main_~tmp~6 ~systemActive~0)} is VALID [2020-07-28 19:03:07,918 INFO L280 TraceCheckUtils]: 4: Hoare triple {725#(= ULTIMATE.start_main_~tmp~6 ~systemActive~0)} assume 0 != main_~tmp~6; {726#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:07,919 INFO L280 TraceCheckUtils]: 5: Hoare triple {726#(not (= 0 ~systemActive~0))} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {726#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:07,920 INFO L280 TraceCheckUtils]: 6: Hoare triple {726#(not (= 0 ~systemActive~0))} assume !false; {726#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:07,921 INFO L280 TraceCheckUtils]: 7: Hoare triple {726#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {726#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:07,921 INFO L280 TraceCheckUtils]: 8: Hoare triple {726#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {726#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:07,922 INFO L280 TraceCheckUtils]: 9: Hoare triple {726#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~0); {726#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:07,923 INFO L280 TraceCheckUtils]: 10: Hoare triple {726#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {726#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:07,924 INFO L280 TraceCheckUtils]: 11: Hoare triple {726#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0); {726#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:07,924 INFO L280 TraceCheckUtils]: 12: Hoare triple {726#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {726#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:07,925 INFO L280 TraceCheckUtils]: 13: Hoare triple {726#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {726#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:07,926 INFO L280 TraceCheckUtils]: 14: Hoare triple {726#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {726#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:07,927 INFO L280 TraceCheckUtils]: 15: Hoare triple {726#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {722#false} is VALID [2020-07-28 19:03:07,927 INFO L280 TraceCheckUtils]: 16: Hoare triple {722#false} havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {722#false} is VALID [2020-07-28 19:03:07,928 INFO L280 TraceCheckUtils]: 17: Hoare triple {722#false} __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret70 && __utac_acc__Specification4_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; {722#false} is VALID [2020-07-28 19:03:07,928 INFO L280 TraceCheckUtils]: 18: Hoare triple {722#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {722#false} is VALID [2020-07-28 19:03:07,928 INFO L280 TraceCheckUtils]: 19: Hoare triple {722#false} __utac_acc__Specification4_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {722#false} is VALID [2020-07-28 19:03:07,929 INFO L280 TraceCheckUtils]: 20: Hoare triple {722#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {722#false} is VALID [2020-07-28 19:03:07,929 INFO L280 TraceCheckUtils]: 21: Hoare triple {722#false} assume !false; {722#false} is VALID [2020-07-28 19:03:07,931 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 19:03:07,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75692020] [2020-07-28 19:03:07,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:07,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:03:07,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601967688] [2020-07-28 19:03:07,933 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 19:03:07,933 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:07,933 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:03:07,967 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 19:03:07,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:03:07,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:07,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:03:07,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:03:07,969 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2020-07-28 19:03:08,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:08,785 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2020-07-28 19:03:08,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:03:08,786 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 19:03:08,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:08,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:08,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 160 transitions. [2020-07-28 19:03:08,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:08,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 160 transitions. [2020-07-28 19:03:08,793 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 160 transitions. [2020-07-28 19:03:09,013 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 160 edges. 160 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:09,018 INFO L225 Difference]: With dead ends: 110 [2020-07-28 19:03:09,018 INFO L226 Difference]: Without dead ends: 83 [2020-07-28 19:03:09,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:03:09,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-07-28 19:03:09,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2020-07-28 19:03:09,062 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:09,062 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand 52 states. [2020-07-28 19:03:09,063 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 52 states. [2020-07-28 19:03:09,063 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 52 states. [2020-07-28 19:03:09,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:09,068 INFO L93 Difference]: Finished difference Result 83 states and 118 transitions. [2020-07-28 19:03:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2020-07-28 19:03:09,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:09,072 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:09,074 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 83 states. [2020-07-28 19:03:09,075 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 83 states. [2020-07-28 19:03:09,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:09,084 INFO L93 Difference]: Finished difference Result 83 states and 118 transitions. [2020-07-28 19:03:09,085 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2020-07-28 19:03:09,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:09,087 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:09,088 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:09,088 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:09,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-07-28 19:03:09,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-07-28 19:03:09,094 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2020-07-28 19:03:09,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:09,095 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-07-28 19:03:09,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:03:09,095 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-07-28 19:03:09,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 19:03:09,097 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:09,098 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 19:03:09,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:03:09,100 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:09,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:09,101 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2020-07-28 19:03:09,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:09,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960356180] [2020-07-28 19:03:09,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:09,233 INFO L280 TraceCheckUtils]: 0: Hoare triple {1128#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,235 INFO L280 TraceCheckUtils]: 1: Hoare triple {1130#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,235 INFO L280 TraceCheckUtils]: 2: Hoare triple {1130#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,236 INFO L280 TraceCheckUtils]: 3: Hoare triple {1130#(= 1 ~waterLevel~0)} main_#t~ret69 := valid_product_#res;assume -2147483648 <= main_#t~ret69 && main_#t~ret69 <= 2147483647;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,237 INFO L280 TraceCheckUtils]: 4: Hoare triple {1130#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~6; {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,237 INFO L280 TraceCheckUtils]: 5: Hoare triple {1130#(= 1 ~waterLevel~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,239 INFO L280 TraceCheckUtils]: 6: Hoare triple {1130#(= 1 ~waterLevel~0)} assume !false; {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,240 INFO L280 TraceCheckUtils]: 7: Hoare triple {1130#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,242 INFO L280 TraceCheckUtils]: 8: Hoare triple {1130#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,244 INFO L280 TraceCheckUtils]: 9: Hoare triple {1130#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~0); {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,247 INFO L280 TraceCheckUtils]: 10: Hoare triple {1130#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,248 INFO L280 TraceCheckUtils]: 11: Hoare triple {1130#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,249 INFO L280 TraceCheckUtils]: 12: Hoare triple {1130#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,250 INFO L280 TraceCheckUtils]: 13: Hoare triple {1130#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,250 INFO L280 TraceCheckUtils]: 14: Hoare triple {1130#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,251 INFO L280 TraceCheckUtils]: 15: Hoare triple {1130#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,252 INFO L280 TraceCheckUtils]: 16: Hoare triple {1130#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1130#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:09,253 INFO L280 TraceCheckUtils]: 17: Hoare triple {1130#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {1131#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:03:09,254 INFO L280 TraceCheckUtils]: 18: Hoare triple {1131#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret70 && __utac_acc__Specification4_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; {1132#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)} is VALID [2020-07-28 19:03:09,255 INFO L280 TraceCheckUtils]: 19: Hoare triple {1132#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {1129#false} is VALID [2020-07-28 19:03:09,255 INFO L280 TraceCheckUtils]: 20: Hoare triple {1129#false} __utac_acc__Specification4_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {1129#false} is VALID [2020-07-28 19:03:09,256 INFO L280 TraceCheckUtils]: 21: Hoare triple {1129#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {1129#false} is VALID [2020-07-28 19:03:09,256 INFO L280 TraceCheckUtils]: 22: Hoare triple {1129#false} assume !false; {1129#false} is VALID [2020-07-28 19:03:09,257 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 19:03:09,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960356180] [2020-07-28 19:03:09,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:09,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:03:09,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613258043] [2020-07-28 19:03:09,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 19:03:09,259 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:09,260 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:03:09,291 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 19:03:09,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:03:09,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:09,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:03:09,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:09,292 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-07-28 19:03:10,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:10,050 INFO L93 Difference]: Finished difference Result 189 states and 287 transitions. [2020-07-28 19:03:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:03:10,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 19:03:10,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:10,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:10,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 181 transitions. [2020-07-28 19:03:10,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:10,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 181 transitions. [2020-07-28 19:03:10,061 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 181 transitions. [2020-07-28 19:03:10,298 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 19:03:10,303 INFO L225 Difference]: With dead ends: 189 [2020-07-28 19:03:10,303 INFO L226 Difference]: Without dead ends: 143 [2020-07-28 19:03:10,304 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 19:03:10,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-28 19:03:10,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 92. [2020-07-28 19:03:10,437 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:10,437 INFO L82 GeneralOperation]: Start isEquivalent. First operand 143 states. Second operand 92 states. [2020-07-28 19:03:10,437 INFO L74 IsIncluded]: Start isIncluded. First operand 143 states. Second operand 92 states. [2020-07-28 19:03:10,437 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 92 states. [2020-07-28 19:03:10,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:10,444 INFO L93 Difference]: Finished difference Result 143 states and 209 transitions. [2020-07-28 19:03:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 209 transitions. [2020-07-28 19:03:10,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:10,446 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:10,446 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 143 states. [2020-07-28 19:03:10,446 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 143 states. [2020-07-28 19:03:10,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:10,452 INFO L93 Difference]: Finished difference Result 143 states and 209 transitions. [2020-07-28 19:03:10,453 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 209 transitions. [2020-07-28 19:03:10,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:10,454 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:10,454 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:10,454 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-07-28 19:03:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2020-07-28 19:03:10,458 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 23 [2020-07-28 19:03:10,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:10,459 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2020-07-28 19:03:10,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:03:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2020-07-28 19:03:10,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:10,460 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:10,460 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 19:03:10,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:03:10,461 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:10,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:10,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1573098380, now seen corresponding path program 1 times [2020-07-28 19:03:10,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:10,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025078914] [2020-07-28 19:03:10,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:10,566 INFO L280 TraceCheckUtils]: 0: Hoare triple {1830#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1832#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,569 INFO L280 TraceCheckUtils]: 1: Hoare triple {1832#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {1832#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,572 INFO L280 TraceCheckUtils]: 2: Hoare triple {1832#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1832#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,573 INFO L280 TraceCheckUtils]: 3: Hoare triple {1832#(= 1 ~waterLevel~0)} main_#t~ret69 := valid_product_#res;assume -2147483648 <= main_#t~ret69 && main_#t~ret69 <= 2147483647;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; {1832#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,573 INFO L280 TraceCheckUtils]: 4: Hoare triple {1832#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~6; {1832#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,574 INFO L280 TraceCheckUtils]: 5: Hoare triple {1832#(= 1 ~waterLevel~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1832#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,574 INFO L280 TraceCheckUtils]: 6: Hoare triple {1832#(= 1 ~waterLevel~0)} assume !false; {1832#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,575 INFO L280 TraceCheckUtils]: 7: Hoare triple {1832#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1832#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,575 INFO L280 TraceCheckUtils]: 8: Hoare triple {1832#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {1832#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,575 INFO L280 TraceCheckUtils]: 9: Hoare triple {1832#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~0; {1832#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,576 INFO L280 TraceCheckUtils]: 10: Hoare triple {1832#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {1833#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,577 INFO L280 TraceCheckUtils]: 11: Hoare triple {1833#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {1833#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,579 INFO L280 TraceCheckUtils]: 12: Hoare triple {1833#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {1833#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,580 INFO L280 TraceCheckUtils]: 13: Hoare triple {1833#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {1833#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,581 INFO L280 TraceCheckUtils]: 14: Hoare triple {1833#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {1833#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,581 INFO L280 TraceCheckUtils]: 15: Hoare triple {1833#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1833#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,582 INFO L280 TraceCheckUtils]: 16: Hoare triple {1833#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {1833#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,582 INFO L280 TraceCheckUtils]: 17: Hoare triple {1833#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1833#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,583 INFO L280 TraceCheckUtils]: 18: Hoare triple {1833#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {1834#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:03:10,583 INFO L280 TraceCheckUtils]: 19: Hoare triple {1834#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret70 && __utac_acc__Specification4_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; {1835#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)} is VALID [2020-07-28 19:03:10,584 INFO L280 TraceCheckUtils]: 20: Hoare triple {1835#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {1831#false} is VALID [2020-07-28 19:03:10,584 INFO L280 TraceCheckUtils]: 21: Hoare triple {1831#false} __utac_acc__Specification4_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {1831#false} is VALID [2020-07-28 19:03:10,584 INFO L280 TraceCheckUtils]: 22: Hoare triple {1831#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {1831#false} is VALID [2020-07-28 19:03:10,585 INFO L280 TraceCheckUtils]: 23: Hoare triple {1831#false} assume !false; {1831#false} is VALID [2020-07-28 19:03:10,586 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 19:03:10,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025078914] [2020-07-28 19:03:10,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:10,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:03:10,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488410358] [2020-07-28 19:03:10,587 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:03:10,587 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:10,587 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:03:10,620 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 19:03:10,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:03:10,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:10,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:03:10,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:03:10,622 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand 6 states. [2020-07-28 19:03:11,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:11,542 INFO L93 Difference]: Finished difference Result 212 states and 315 transitions. [2020-07-28 19:03:11,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:03:11,543 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:03:11,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:11,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:11,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 190 transitions. [2020-07-28 19:03:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 190 transitions. [2020-07-28 19:03:11,552 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 190 transitions. [2020-07-28 19:03:11,804 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 19:03:11,808 INFO L225 Difference]: With dead ends: 212 [2020-07-28 19:03:11,809 INFO L226 Difference]: Without dead ends: 166 [2020-07-28 19:03:11,810 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 19:03:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-28 19:03:12,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 130. [2020-07-28 19:03:12,025 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:12,025 INFO L82 GeneralOperation]: Start isEquivalent. First operand 166 states. Second operand 130 states. [2020-07-28 19:03:12,025 INFO L74 IsIncluded]: Start isIncluded. First operand 166 states. Second operand 130 states. [2020-07-28 19:03:12,025 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 130 states. [2020-07-28 19:03:12,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,031 INFO L93 Difference]: Finished difference Result 166 states and 238 transitions. [2020-07-28 19:03:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 238 transitions. [2020-07-28 19:03:12,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:12,032 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:12,032 INFO L74 IsIncluded]: Start isIncluded. First operand 130 states. Second operand 166 states. [2020-07-28 19:03:12,033 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 166 states. [2020-07-28 19:03:12,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,039 INFO L93 Difference]: Finished difference Result 166 states and 238 transitions. [2020-07-28 19:03:12,039 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 238 transitions. [2020-07-28 19:03:12,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:12,040 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:12,040 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:12,041 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-28 19:03:12,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 185 transitions. [2020-07-28 19:03:12,046 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 185 transitions. Word has length 24 [2020-07-28 19:03:12,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:12,046 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 185 transitions. [2020-07-28 19:03:12,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:03:12,047 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 185 transitions. [2020-07-28 19:03:12,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:12,048 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:12,048 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 19:03:12,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:03:12,048 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:12,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:12,049 INFO L82 PathProgramCache]: Analyzing trace with hash 767593024, now seen corresponding path program 1 times [2020-07-28 19:03:12,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:12,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017227000] [2020-07-28 19:03:12,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:12,162 INFO L280 TraceCheckUtils]: 0: Hoare triple {2668#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,163 INFO L280 TraceCheckUtils]: 1: Hoare triple {2670#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,164 INFO L280 TraceCheckUtils]: 2: Hoare triple {2670#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,165 INFO L280 TraceCheckUtils]: 3: Hoare triple {2670#(= 0 ~pumpRunning~0)} main_#t~ret69 := valid_product_#res;assume -2147483648 <= main_#t~ret69 && main_#t~ret69 <= 2147483647;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,166 INFO L280 TraceCheckUtils]: 4: Hoare triple {2670#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~6; {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,166 INFO L280 TraceCheckUtils]: 5: Hoare triple {2670#(= 0 ~pumpRunning~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,168 INFO L280 TraceCheckUtils]: 6: Hoare triple {2670#(= 0 ~pumpRunning~0)} assume !false; {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,169 INFO L280 TraceCheckUtils]: 7: Hoare triple {2670#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,170 INFO L280 TraceCheckUtils]: 8: Hoare triple {2670#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,171 INFO L280 TraceCheckUtils]: 9: Hoare triple {2670#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,172 INFO L280 TraceCheckUtils]: 10: Hoare triple {2670#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,172 INFO L280 TraceCheckUtils]: 11: Hoare triple {2670#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,173 INFO L280 TraceCheckUtils]: 12: Hoare triple {2670#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,174 INFO L280 TraceCheckUtils]: 13: Hoare triple {2670#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {2670#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,174 INFO L280 TraceCheckUtils]: 14: Hoare triple {2670#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {2669#false} is VALID [2020-07-28 19:03:12,174 INFO L280 TraceCheckUtils]: 15: Hoare triple {2669#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2669#false} is VALID [2020-07-28 19:03:12,175 INFO L280 TraceCheckUtils]: 16: Hoare triple {2669#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {2669#false} is VALID [2020-07-28 19:03:12,175 INFO L280 TraceCheckUtils]: 17: Hoare triple {2669#false} assume !(0 != ~pumpRunning~0); {2669#false} is VALID [2020-07-28 19:03:12,175 INFO L280 TraceCheckUtils]: 18: Hoare triple {2669#false} havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {2669#false} is VALID [2020-07-28 19:03:12,176 INFO L280 TraceCheckUtils]: 19: Hoare triple {2669#false} __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret70 && __utac_acc__Specification4_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; {2669#false} is VALID [2020-07-28 19:03:12,176 INFO L280 TraceCheckUtils]: 20: Hoare triple {2669#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {2669#false} is VALID [2020-07-28 19:03:12,176 INFO L280 TraceCheckUtils]: 21: Hoare triple {2669#false} __utac_acc__Specification4_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {2669#false} is VALID [2020-07-28 19:03:12,176 INFO L280 TraceCheckUtils]: 22: Hoare triple {2669#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {2669#false} is VALID [2020-07-28 19:03:12,177 INFO L280 TraceCheckUtils]: 23: Hoare triple {2669#false} assume !false; {2669#false} is VALID [2020-07-28 19:03:12,178 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 19:03:12,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017227000] [2020-07-28 19:03:12,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:12,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:12,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068005739] [2020-07-28 19:03:12,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:12,180 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:12,180 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:12,218 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 19:03:12,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:12,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:12,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:12,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:12,219 INFO L87 Difference]: Start difference. First operand 130 states and 185 transitions. Second operand 3 states. [2020-07-28 19:03:12,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,477 INFO L93 Difference]: Finished difference Result 200 states and 285 transitions. [2020-07-28 19:03:12,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:12,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:12,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:12,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:03:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:12,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:03:12,481 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 75 transitions. [2020-07-28 19:03:12,573 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 19:03:12,573 INFO L225 Difference]: With dead ends: 200 [2020-07-28 19:03:12,573 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:03:12,575 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 19:03:12,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:03:12,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:03:12,576 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:12,576 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:12,576 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:12,577 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:12,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,577 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:12,577 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:12,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:12,577 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:12,577 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:12,578 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:12,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,578 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:12,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:12,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:12,578 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:12,578 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:12,579 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:12,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:03:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:03:12,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-07-28 19:03:12,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:12,579 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:03:12,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:12,581 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:12,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:12,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:03:12,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:03:13,119 INFO L268 CegarLoopResult]: For program point L861(lines 861 868) no Hoare annotation was computed. [2020-07-28 19:03:13,120 INFO L271 CegarLoopResult]: At program point L861-1(lines 861 868) the Hoare annotation is: true [2020-07-28 19:03:13,120 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-07-28 19:03:13,120 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-07-28 19:03:13,120 INFO L264 CegarLoopResult]: At program point L267(lines 260 270) the Hoare annotation is: false [2020-07-28 19:03:13,121 INFO L264 CegarLoopResult]: At program point L267-1(lines 260 270) the Hoare annotation is: false [2020-07-28 19:03:13,121 INFO L264 CegarLoopResult]: At program point L267-2(lines 260 270) the Hoare annotation is: false [2020-07-28 19:03:13,121 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:03:13,121 INFO L268 CegarLoopResult]: For program point L103(lines 102 149) no Hoare annotation was computed. [2020-07-28 19:03:13,121 INFO L268 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-07-28 19:03:13,121 INFO L268 CegarLoopResult]: For program point L138(lines 138 144) no Hoare annotation was computed. [2020-07-28 19:03:13,121 INFO L264 CegarLoopResult]: At program point L138-1(lines 174 180) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:03:13,121 INFO L268 CegarLoopResult]: For program point L320(lines 320 326) no Hoare annotation was computed. [2020-07-28 19:03:13,122 INFO L264 CegarLoopResult]: At program point L320-1(lines 320 326) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:03:13,122 INFO L268 CegarLoopResult]: For program point L122(lines 122 128) no Hoare annotation was computed. [2020-07-28 19:03:13,123 INFO L264 CegarLoopResult]: At program point L122-1(lines 122 128) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and (= 1 |ULTIMATE.start_getWaterLevel_#res|) (= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) .cse0 .cse1 .cse2) (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:03:13,123 INFO L268 CegarLoopResult]: For program point L717(lines 717 721) no Hoare annotation was computed. [2020-07-28 19:03:13,124 INFO L264 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:13,124 INFO L268 CegarLoopResult]: For program point L883(lines 883 896) no Hoare annotation was computed. [2020-07-28 19:03:13,124 INFO L264 CegarLoopResult]: At program point L883-1(lines 1 899) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (and (= 1 |ULTIMATE.start_getWaterLevel_#res|) (= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) .cse0 .cse1 .cse2) (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2))) [2020-07-28 19:03:13,124 INFO L268 CegarLoopResult]: For program point L883-2(lines 883 896) no Hoare annotation was computed. [2020-07-28 19:03:13,124 INFO L264 CegarLoopResult]: At program point L883-3(lines 1 899) the Hoare annotation is: false [2020-07-28 19:03:13,125 INFO L268 CegarLoopResult]: For program point L883-4(lines 883 896) no Hoare annotation was computed. [2020-07-28 19:03:13,125 INFO L268 CegarLoopResult]: For program point L206(lines 206 223) no Hoare annotation was computed. [2020-07-28 19:03:13,125 INFO L264 CegarLoopResult]: At program point L883-5(lines 1 899) the Hoare annotation is: false [2020-07-28 19:03:13,125 INFO L268 CegarLoopResult]: For program point L206-1(lines 206 223) no Hoare annotation was computed. [2020-07-28 19:03:13,125 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 223) no Hoare annotation was computed. [2020-07-28 19:03:13,125 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:03:13,126 INFO L264 CegarLoopResult]: At program point L174(lines 173 192) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:03:13,126 INFO L268 CegarLoopResult]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2020-07-28 19:03:13,126 INFO L264 CegarLoopResult]: At program point L174-2(lines 173 192) the Hoare annotation is: false [2020-07-28 19:03:13,126 INFO L264 CegarLoopResult]: At program point L174-3(lines 173 192) the Hoare annotation is: false [2020-07-28 19:03:13,127 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-07-28 19:03:13,127 INFO L271 CegarLoopResult]: At program point L870(lines 851 873) the Hoare annotation is: true [2020-07-28 19:03:13,127 INFO L268 CegarLoopResult]: For program point L705(lines 705 709) no Hoare annotation was computed. [2020-07-28 19:03:13,127 INFO L268 CegarLoopResult]: For program point L705-3(lines 705 709) no Hoare annotation was computed. [2020-07-28 19:03:13,127 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:03:13,127 INFO L268 CegarLoopResult]: For program point L705-6(lines 705 709) no Hoare annotation was computed. [2020-07-28 19:03:13,128 INFO L268 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-07-28 19:03:13,128 INFO L268 CegarLoopResult]: For program point L887-2(lines 887 893) no Hoare annotation was computed. [2020-07-28 19:03:13,128 INFO L264 CegarLoopResult]: At program point L276(lines 271 279) the Hoare annotation is: false [2020-07-28 19:03:13,128 INFO L264 CegarLoopResult]: At program point L276-1(lines 271 279) the Hoare annotation is: false [2020-07-28 19:03:13,128 INFO L268 CegarLoopResult]: For program point L887-4(lines 887 893) no Hoare annotation was computed. [2020-07-28 19:03:13,128 INFO L268 CegarLoopResult]: For program point L210(lines 210 218) no Hoare annotation was computed. [2020-07-28 19:03:13,129 INFO L264 CegarLoopResult]: At program point L276-2(lines 271 279) the Hoare annotation is: false [2020-07-28 19:03:13,129 INFO L268 CegarLoopResult]: For program point L210-1(lines 210 218) no Hoare annotation was computed. [2020-07-28 19:03:13,129 INFO L268 CegarLoopResult]: For program point L210-2(lines 210 218) no Hoare annotation was computed. [2020-07-28 19:03:13,129 INFO L264 CegarLoopResult]: At program point L838(lines 834 840) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2020-07-28 19:03:13,129 INFO L268 CegarLoopResult]: For program point L112(lines 112 118) no Hoare annotation was computed. [2020-07-28 19:03:13,129 INFO L264 CegarLoopResult]: At program point L112-1(lines 112 118) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and (= 1 |ULTIMATE.start_getWaterLevel_#res|) (= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) .cse0 .cse1 .cse2) (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:03:13,129 INFO L264 CegarLoopResult]: At program point L790-2(lines 790 804) the Hoare annotation is: false [2020-07-28 19:03:13,130 INFO L264 CegarLoopResult]: At program point L774(lines 769 777) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and (= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse0 .cse1 (= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)))) [2020-07-28 19:03:13,130 INFO L264 CegarLoopResult]: At program point L774-1(lines 769 777) the Hoare annotation is: false [2020-07-28 19:03:13,130 INFO L264 CegarLoopResult]: At program point L774-2(lines 769 777) the Hoare annotation is: false [2020-07-28 19:03:13,130 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-28 19:03:13,130 INFO L264 CegarLoopResult]: At program point L742(lines 737 745) the Hoare annotation is: false [2020-07-28 19:03:13,130 INFO L264 CegarLoopResult]: At program point L742-1(lines 737 745) the Hoare annotation is: false [2020-07-28 19:03:13,130 INFO L264 CegarLoopResult]: At program point L742-2(lines 737 745) the Hoare annotation is: false [2020-07-28 19:03:13,130 INFO L264 CegarLoopResult]: At program point L65(lines 1 899) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:13,130 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:03:13,130 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-07-28 19:03:13,131 INFO L264 CegarLoopResult]: At program point L181(lines 181 187) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-07-28 19:03:13,131 INFO L264 CegarLoopResult]: At program point L181-1(lines 181 187) the Hoare annotation is: false [2020-07-28 19:03:13,131 INFO L264 CegarLoopResult]: At program point L181-2(lines 181 187) the Hoare annotation is: false [2020-07-28 19:03:13,131 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-28 19:03:13,131 INFO L268 CegarLoopResult]: For program point L82-1(line 82) no Hoare annotation was computed. [2020-07-28 19:03:13,131 INFO L268 CegarLoopResult]: For program point L82-2(line 82) no Hoare annotation was computed. [2020-07-28 19:03:13,131 INFO L268 CegarLoopResult]: For program point L132(lines 132 145) no Hoare annotation was computed. [2020-07-28 19:03:13,131 INFO L268 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-07-28 19:03:13,131 INFO L268 CegarLoopResult]: For program point L794-1(lines 174 180) no Hoare annotation was computed. [2020-07-28 19:03:13,132 INFO L264 CegarLoopResult]: At program point L150(lines 101 151) the Hoare annotation is: false [2020-07-28 19:03:13,135 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:03:13,135 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:03:13,136 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-28 19:03:13,137 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-28 19:03:13,137 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-28 19:03:13,138 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 19:03:13,138 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:13,138 WARN L170 areAnnotationChecker]: L174-1 has no Hoare annotation [2020-07-28 19:03:13,138 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 19:03:13,138 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 19:03:13,138 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:13,138 WARN L170 areAnnotationChecker]: L174-1 has no Hoare annotation [2020-07-28 19:03:13,138 WARN L170 areAnnotationChecker]: L174-1 has no Hoare annotation [2020-07-28 19:03:13,139 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 19:03:13,139 WARN L170 areAnnotationChecker]: L705-3 has no Hoare annotation [2020-07-28 19:03:13,139 WARN L170 areAnnotationChecker]: L705-3 has no Hoare annotation [2020-07-28 19:03:13,139 WARN L170 areAnnotationChecker]: L206-1 has no Hoare annotation [2020-07-28 19:03:13,139 WARN L170 areAnnotationChecker]: L112 has no Hoare annotation [2020-07-28 19:03:13,139 WARN L170 areAnnotationChecker]: L112 has no Hoare annotation [2020-07-28 19:03:13,139 WARN L170 areAnnotationChecker]: L206-1 has no Hoare annotation [2020-07-28 19:03:13,139 WARN L170 areAnnotationChecker]: L206-1 has no Hoare annotation [2020-07-28 19:03:13,139 WARN L170 areAnnotationChecker]: L717 has no Hoare annotation [2020-07-28 19:03:13,139 WARN L170 areAnnotationChecker]: L717 has no Hoare annotation [2020-07-28 19:03:13,140 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 19:03:13,140 WARN L170 areAnnotationChecker]: L883-2 has no Hoare annotation [2020-07-28 19:03:13,140 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 19:03:13,140 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 19:03:13,140 WARN L170 areAnnotationChecker]: L210-1 has no Hoare annotation [2020-07-28 19:03:13,140 WARN L170 areAnnotationChecker]: L883-2 has no Hoare annotation [2020-07-28 19:03:13,140 WARN L170 areAnnotationChecker]: L883-2 has no Hoare annotation [2020-07-28 19:03:13,140 WARN L170 areAnnotationChecker]: L729 has no Hoare annotation [2020-07-28 19:03:13,140 WARN L170 areAnnotationChecker]: L729 has no Hoare annotation [2020-07-28 19:03:13,140 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 19:03:13,141 WARN L170 areAnnotationChecker]: L210-1 has no Hoare annotation [2020-07-28 19:03:13,141 WARN L170 areAnnotationChecker]: L210-1 has no Hoare annotation [2020-07-28 19:03:13,141 WARN L170 areAnnotationChecker]: L887-2 has no Hoare annotation [2020-07-28 19:03:13,141 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 19:03:13,141 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 19:03:13,141 WARN L170 areAnnotationChecker]: L887-2 has no Hoare annotation [2020-07-28 19:03:13,141 WARN L170 areAnnotationChecker]: L887-2 has no Hoare annotation [2020-07-28 19:03:13,141 WARN L170 areAnnotationChecker]: L791 has no Hoare annotation [2020-07-28 19:03:13,141 WARN L170 areAnnotationChecker]: L705 has no Hoare annotation [2020-07-28 19:03:13,143 WARN L170 areAnnotationChecker]: L138 has no Hoare annotation [2020-07-28 19:03:13,144 WARN L170 areAnnotationChecker]: L138 has no Hoare annotation [2020-07-28 19:03:13,144 WARN L170 areAnnotationChecker]: L82-1 has no Hoare annotation [2020-07-28 19:03:13,144 WARN L170 areAnnotationChecker]: L82-1 has no Hoare annotation [2020-07-28 19:03:13,144 WARN L170 areAnnotationChecker]: L791 has no Hoare annotation [2020-07-28 19:03:13,144 WARN L170 areAnnotationChecker]: L705 has no Hoare annotation [2020-07-28 19:03:13,144 WARN L170 areAnnotationChecker]: L705 has no Hoare annotation [2020-07-28 19:03:13,144 WARN L170 areAnnotationChecker]: L206 has no Hoare annotation [2020-07-28 19:03:13,145 WARN L170 areAnnotationChecker]: L320 has no Hoare annotation [2020-07-28 19:03:13,145 WARN L170 areAnnotationChecker]: L320 has no Hoare annotation [2020-07-28 19:03:13,145 WARN L170 areAnnotationChecker]: L794 has no Hoare annotation [2020-07-28 19:03:13,145 WARN L170 areAnnotationChecker]: L794 has no Hoare annotation [2020-07-28 19:03:13,145 WARN L170 areAnnotationChecker]: L206 has no Hoare annotation [2020-07-28 19:03:13,145 WARN L170 areAnnotationChecker]: L206 has no Hoare annotation [2020-07-28 19:03:13,146 WARN L170 areAnnotationChecker]: L794-1 has no Hoare annotation [2020-07-28 19:03:13,147 WARN L170 areAnnotationChecker]: L794-1 has no Hoare annotation [2020-07-28 19:03:13,147 WARN L170 areAnnotationChecker]: L883 has no Hoare annotation [2020-07-28 19:03:13,147 WARN L170 areAnnotationChecker]: L705-6 has no Hoare annotation [2020-07-28 19:03:13,147 WARN L170 areAnnotationChecker]: L705-6 has no Hoare annotation [2020-07-28 19:03:13,147 WARN L170 areAnnotationChecker]: L206-2 has no Hoare annotation [2020-07-28 19:03:13,147 WARN L170 areAnnotationChecker]: L210 has no Hoare annotation [2020-07-28 19:03:13,147 WARN L170 areAnnotationChecker]: L883 has no Hoare annotation [2020-07-28 19:03:13,147 WARN L170 areAnnotationChecker]: L883 has no Hoare annotation [2020-07-28 19:03:13,147 WARN L170 areAnnotationChecker]: L206-2 has no Hoare annotation [2020-07-28 19:03:13,147 WARN L170 areAnnotationChecker]: L206-2 has no Hoare annotation [2020-07-28 19:03:13,147 WARN L170 areAnnotationChecker]: L210 has no Hoare annotation [2020-07-28 19:03:13,148 WARN L170 areAnnotationChecker]: L210 has no Hoare annotation [2020-07-28 19:03:13,148 WARN L170 areAnnotationChecker]: L887 has no Hoare annotation [2020-07-28 19:03:13,148 WARN L170 areAnnotationChecker]: L883-4 has no Hoare annotation [2020-07-28 19:03:13,148 WARN L170 areAnnotationChecker]: L887 has no Hoare annotation [2020-07-28 19:03:13,148 WARN L170 areAnnotationChecker]: L887 has no Hoare annotation [2020-07-28 19:03:13,148 WARN L170 areAnnotationChecker]: L210-2 has no Hoare annotation [2020-07-28 19:03:13,148 WARN L170 areAnnotationChecker]: L883-4 has no Hoare annotation [2020-07-28 19:03:13,148 WARN L170 areAnnotationChecker]: L883-4 has no Hoare annotation [2020-07-28 19:03:13,148 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 19:03:13,148 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 19:03:13,148 WARN L170 areAnnotationChecker]: L210-2 has no Hoare annotation [2020-07-28 19:03:13,149 WARN L170 areAnnotationChecker]: L210-2 has no Hoare annotation [2020-07-28 19:03:13,149 WARN L170 areAnnotationChecker]: L887-4 has no Hoare annotation [2020-07-28 19:03:13,149 WARN L170 areAnnotationChecker]: L887-4 has no Hoare annotation [2020-07-28 19:03:13,149 WARN L170 areAnnotationChecker]: L887-4 has no Hoare annotation [2020-07-28 19:03:13,149 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-28 19:03:13,149 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-28 19:03:13,149 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 19:03:13,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:03:13 BoogieIcfgContainer [2020-07-28 19:03:13,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:03:13,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:03:13,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:03:13,176 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:03:13,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:05" (3/4) ... [2020-07-28 19:03:13,180 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:03:13,198 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:03:13,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:03:13,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:03:13,200 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:03:13,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:03:13,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:13,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:13,234 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == pumpRunning && \result == systemActive) && 1 == waterLevel) && 1 == systemActive [2020-07-28 19:03:13,234 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == pumpRunning && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive [2020-07-28 19:03:13,235 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 2 <= tmp) && 2 <= \result) || ((((1 == \result && 1 == tmp) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel)) || (((0 == splverifierCounter && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) [2020-07-28 19:03:13,235 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == \result && 1 == tmp) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) || (((0 == splverifierCounter && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) [2020-07-28 19:03:13,236 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == \result && 1 == tmp) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) || (((0 == splverifierCounter && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) [2020-07-28 19:03:13,238 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) || (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 2 <= \result) [2020-07-28 19:03:13,311 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:03:13,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:03:13,318 INFO L168 Benchmark]: Toolchain (without parser) took 9923.54 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 259.0 MB). Free memory was 962.9 MB in the beginning and 1.0 GB in the end (delta: -56.8 MB). Peak memory consumption was 202.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:13,319 INFO L168 Benchmark]: CDTParser took 0.26 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 19:03:13,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 962.9 MB in the beginning and 1.1 GB in the end (delta: -90.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:13,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:13,320 INFO L168 Benchmark]: Boogie Preprocessor took 43.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:03:13,321 INFO L168 Benchmark]: RCFGBuilder took 1493.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 915.1 MB in the end (delta: 131.5 MB). Peak memory consumption was 131.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:13,321 INFO L168 Benchmark]: TraceAbstraction took 7439.75 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 915.1 MB in the beginning and 1.0 GB in the end (delta: -114.1 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:13,322 INFO L168 Benchmark]: Witness Printer took 139.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:13,323 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 0.26 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 711.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 962.9 MB in the beginning and 1.1 GB in the end (delta: -90.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1493.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 915.1 MB in the end (delta: 131.5 MB). Peak memory consumption was 131.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7439.75 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 915.1 MB in the beginning and 1.0 GB in the end (delta: -114.1 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. * Witness Printer took 139.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: 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: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((0 == pumpRunning && \result == systemActive) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 2 <= tmp) && 2 <= \result) || ((((1 == \result && 1 == tmp) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel)) || (((0 == splverifierCounter && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: (((((1 == \result && 1 == tmp) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) || (((0 == splverifierCounter && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (((((1 == \result && 1 == tmp) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) || (((0 == splverifierCounter && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel)) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: (((0 == pumpRunning && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: (((1 == \result && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) || (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 2 <= \result) - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 378 SDtfs, 467 SDslu, 614 SDs, 0 SdLazy, 96 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 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, 118 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 64 NumberOfFragments, 300 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1437 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 45 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 5789 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...