./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product25.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_product25.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 afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:03:15,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:03:15,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:03:15,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:03:15,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:03:15,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:03:15,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:03:15,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:03:15,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:03:15,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:03:15,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:03:15,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:03:15,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:03:15,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:03:15,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:03:15,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:03:15,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:03:15,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:03:15,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:03:15,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:03:15,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:03:15,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:03:15,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:03:15,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:03:15,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:03:15,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:03:15,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:03:15,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:03:15,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:03:15,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:03:15,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:03:15,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:03:15,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:03:15,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:03:15,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:03:15,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:03:15,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:03:15,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:03:15,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:03:15,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:03:15,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:03:15,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:03:15,706 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:03:15,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:03:15,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:03:15,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:03:15,708 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:03:15,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:03:15,709 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:03:15,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:03:15,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:03:15,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:03:15,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:03:15,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:03:15,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:03:15,710 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:03:15,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:03:15,711 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:03:15,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:03:15,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:03:15,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:03:15,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:03:15,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:03:15,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:15,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:03:15,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:03:15,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:03:15,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:03:15,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:03:15,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:03:15,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:03:15,714 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 -> afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 [2020-07-28 19:03:16,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:03:16,032 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:03:16,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:03:16,037 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:03:16,038 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:03:16,038 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2020-07-28 19:03:16,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e236774aa/512ab719f2b7449d8760532b7bbdb918/FLAG9d5b8a626 [2020-07-28 19:03:16,661 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:03:16,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2020-07-28 19:03:16,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e236774aa/512ab719f2b7449d8760532b7bbdb918/FLAG9d5b8a626 [2020-07-28 19:03:16,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e236774aa/512ab719f2b7449d8760532b7bbdb918 [2020-07-28 19:03:16,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:03:16,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:03:16,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:16,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:03:16,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:03:16,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:16" (1/1) ... [2020-07-28 19:03:16,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429ace66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:16, skipping insertion in model container [2020-07-28 19:03:16,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:16" (1/1) ... [2020-07-28 19:03:16,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:03:17,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:03:17,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:17,442 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:03:17,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:17,607 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:03:17,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:17 WrapperNode [2020-07-28 19:03:17,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:17,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:17,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:03:17,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:03:17,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:17" (1/1) ... [2020-07-28 19:03:17,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:17" (1/1) ... [2020-07-28 19:03:17,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:17,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:03:17,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:03:17,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:03:17,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:17" (1/1) ... [2020-07-28 19:03:17,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:17" (1/1) ... [2020-07-28 19:03:17,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:17" (1/1) ... [2020-07-28 19:03:17,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:17" (1/1) ... [2020-07-28 19:03:17,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:17" (1/1) ... [2020-07-28 19:03:17,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:17" (1/1) ... [2020-07-28 19:03:17,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:17" (1/1) ... [2020-07-28 19:03:17,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:03:17,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:03:17,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:03:17,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:03:17,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:17" (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 19:03:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:03:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:03:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:03:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:03:19,149 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:03:19,149 INFO L295 CfgBuilder]: Removed 96 assume(true) statements. [2020-07-28 19:03:19,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:19 BoogieIcfgContainer [2020-07-28 19:03:19,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:03:19,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:03:19,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:03:19,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:03:19,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:03:16" (1/3) ... [2020-07-28 19:03:19,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c0ddfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:19, skipping insertion in model container [2020-07-28 19:03:19,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:17" (2/3) ... [2020-07-28 19:03:19,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c0ddfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:19, skipping insertion in model container [2020-07-28 19:03:19,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:19" (3/3) ... [2020-07-28 19:03:19,164 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2020-07-28 19:03:19,176 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:03:19,185 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:03:19,200 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:03:19,227 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:03:19,227 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:03:19,227 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:03:19,227 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:03:19,228 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:03:19,228 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:03:19,228 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:03:19,228 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:03:19,247 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-28 19:03:19,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:03:19,255 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:19,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:19,257 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:19,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:19,264 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2020-07-28 19:03:19,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:19,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658960973] [2020-07-28 19:03:19,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:19,592 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {78#true} is VALID [2020-07-28 19:03:19,593 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#true} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {78#true} is VALID [2020-07-28 19:03:19,594 INFO L280 TraceCheckUtils]: 2: Hoare triple {78#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {78#true} is VALID [2020-07-28 19:03:19,594 INFO L280 TraceCheckUtils]: 3: Hoare triple {78#true} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {78#true} is VALID [2020-07-28 19:03:19,594 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#true} assume 0 != main_~tmp~8; {78#true} is VALID [2020-07-28 19:03:19,595 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {78#true} is VALID [2020-07-28 19:03:19,596 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#true} assume false; {79#false} is VALID [2020-07-28 19:03:19,597 INFO L280 TraceCheckUtils]: 7: Hoare triple {79#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {79#false} is VALID [2020-07-28 19:03:19,597 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#false} assume !(0 != ~pumpRunning~0); {79#false} is VALID [2020-07-28 19:03:19,598 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#false} assume !(0 != ~systemActive~0); {79#false} is VALID [2020-07-28 19:03:19,598 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#false} havoc __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; {79#false} is VALID [2020-07-28 19:03:19,598 INFO L280 TraceCheckUtils]: 11: Hoare triple {79#false} __utac_acc__Specification4_spec__1_#t~ret25 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {79#false} is VALID [2020-07-28 19:03:19,599 INFO L280 TraceCheckUtils]: 12: Hoare triple {79#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {79#false} is VALID [2020-07-28 19:03:19,599 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#false} __utac_acc__Specification4_spec__1_#t~ret26 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26 && __utac_acc__Specification4_spec__1_#t~ret26 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; {79#false} is VALID [2020-07-28 19:03:19,600 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {79#false} is VALID [2020-07-28 19:03:19,600 INFO L280 TraceCheckUtils]: 15: Hoare triple {79#false} assume !false; {79#false} is VALID [2020-07-28 19:03:19,605 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 19:03:19,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658960973] [2020-07-28 19:03:19,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:19,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:19,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731381112] [2020-07-28 19:03:19,615 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:19,618 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:19,622 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:03:19,669 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 19:03:19,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:03:19,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:19,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:03:19,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:19,680 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-07-28 19:03:19,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:19,897 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-07-28 19:03:19,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:03:19,898 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:19,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:19,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:19,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 19:03:19,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 19:03:19,918 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 215 transitions. [2020-07-28 19:03:20,225 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 215 edges. 215 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:20,239 INFO L225 Difference]: With dead ends: 144 [2020-07-28 19:03:20,239 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 19:03:20,244 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 19:03:20,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 19:03:20,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 19:03:20,299 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:20,300 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:20,301 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:20,301 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:20,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:20,307 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:03:20,308 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:03:20,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:20,309 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:20,309 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:20,310 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:20,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:20,315 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:03:20,315 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:03:20,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:20,317 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:20,317 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:20,317 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:20,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 19:03:20,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-07-28 19:03:20,324 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-07-28 19:03:20,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:20,325 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-07-28 19:03:20,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:03:20,325 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:03:20,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:03:20,327 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:20,327 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 19:03:20,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:03:20,328 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:20,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:20,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2020-07-28 19:03:20,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:20,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959665971] [2020-07-28 19:03:20,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:20,473 INFO L280 TraceCheckUtils]: 0: Hoare triple {524#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {524#true} is VALID [2020-07-28 19:03:20,474 INFO L280 TraceCheckUtils]: 1: Hoare triple {524#true} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {524#true} is VALID [2020-07-28 19:03:20,476 INFO L280 TraceCheckUtils]: 2: Hoare triple {524#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {524#true} is VALID [2020-07-28 19:03:20,476 INFO L280 TraceCheckUtils]: 3: Hoare triple {524#true} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {524#true} is VALID [2020-07-28 19:03:20,477 INFO L280 TraceCheckUtils]: 4: Hoare triple {524#true} assume 0 != main_~tmp~8; {524#true} is VALID [2020-07-28 19:03:20,484 INFO L280 TraceCheckUtils]: 5: Hoare triple {524#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {526#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:20,485 INFO L280 TraceCheckUtils]: 6: Hoare triple {526#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {526#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:20,486 INFO L280 TraceCheckUtils]: 7: Hoare triple {526#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {525#false} is VALID [2020-07-28 19:03:20,487 INFO L280 TraceCheckUtils]: 8: Hoare triple {525#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {525#false} is VALID [2020-07-28 19:03:20,487 INFO L280 TraceCheckUtils]: 9: Hoare triple {525#false} assume !(0 != ~pumpRunning~0); {525#false} is VALID [2020-07-28 19:03:20,487 INFO L280 TraceCheckUtils]: 10: Hoare triple {525#false} assume !(0 != ~systemActive~0); {525#false} is VALID [2020-07-28 19:03:20,488 INFO L280 TraceCheckUtils]: 11: Hoare triple {525#false} havoc __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; {525#false} is VALID [2020-07-28 19:03:20,488 INFO L280 TraceCheckUtils]: 12: Hoare triple {525#false} __utac_acc__Specification4_spec__1_#t~ret25 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {525#false} is VALID [2020-07-28 19:03:20,490 INFO L280 TraceCheckUtils]: 13: Hoare triple {525#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {525#false} is VALID [2020-07-28 19:03:20,490 INFO L280 TraceCheckUtils]: 14: Hoare triple {525#false} __utac_acc__Specification4_spec__1_#t~ret26 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26 && __utac_acc__Specification4_spec__1_#t~ret26 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; {525#false} is VALID [2020-07-28 19:03:20,490 INFO L280 TraceCheckUtils]: 15: Hoare triple {525#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {525#false} is VALID [2020-07-28 19:03:20,491 INFO L280 TraceCheckUtils]: 16: Hoare triple {525#false} assume !false; {525#false} is VALID [2020-07-28 19:03:20,494 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 19:03:20,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959665971] [2020-07-28 19:03:20,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:20,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:20,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697175342] [2020-07-28 19:03:20,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:20,504 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:20,505 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:20,536 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 19:03:20,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:20,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:20,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:20,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:20,538 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-07-28 19:03:20,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:20,757 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:03:20,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:20,757 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:20,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:03:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:03:20,763 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 99 transitions. [2020-07-28 19:03:20,888 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:20,889 INFO L225 Difference]: With dead ends: 71 [2020-07-28 19:03:20,889 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:03:20,891 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 19:03:20,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:03:20,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:03:20,905 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:20,906 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:20,906 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:20,906 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:20,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:20,909 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:03:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:03:20,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:20,910 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:20,910 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:20,911 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:20,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:20,913 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:03:20,914 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:03:20,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:20,914 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:20,915 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:20,915 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:03:20,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-07-28 19:03:20,917 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-07-28 19:03:20,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:20,918 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-07-28 19:03:20,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:20,918 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:03:20,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:20,920 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:20,920 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 19:03:20,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:03:20,920 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:20,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:20,921 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2020-07-28 19:03:20,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:20,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144313368] [2020-07-28 19:03:20,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:21,075 INFO L280 TraceCheckUtils]: 0: Hoare triple {739#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {741#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:21,077 INFO L280 TraceCheckUtils]: 1: Hoare triple {741#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {741#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:21,078 INFO L280 TraceCheckUtils]: 2: Hoare triple {741#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {742#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 19:03:21,079 INFO L280 TraceCheckUtils]: 3: Hoare triple {742#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {743#(= ULTIMATE.start_main_~tmp~8 ~systemActive~0)} is VALID [2020-07-28 19:03:21,080 INFO L280 TraceCheckUtils]: 4: Hoare triple {743#(= ULTIMATE.start_main_~tmp~8 ~systemActive~0)} assume 0 != main_~tmp~8; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:21,080 INFO L280 TraceCheckUtils]: 5: Hoare triple {744#(not (= 0 ~systemActive~0))} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:21,081 INFO L280 TraceCheckUtils]: 6: Hoare triple {744#(not (= 0 ~systemActive~0))} assume !false; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:21,082 INFO L280 TraceCheckUtils]: 7: Hoare triple {744#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:21,083 INFO L280 TraceCheckUtils]: 8: Hoare triple {744#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:21,084 INFO L280 TraceCheckUtils]: 9: Hoare triple {744#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~0); {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:21,085 INFO L280 TraceCheckUtils]: 10: Hoare triple {744#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:21,085 INFO L280 TraceCheckUtils]: 11: Hoare triple {744#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0); {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:21,086 INFO L280 TraceCheckUtils]: 12: Hoare triple {744#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:21,087 INFO L280 TraceCheckUtils]: 13: Hoare triple {744#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:21,088 INFO L280 TraceCheckUtils]: 14: Hoare triple {744#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {744#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:21,089 INFO L280 TraceCheckUtils]: 15: Hoare triple {744#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {740#false} is VALID [2020-07-28 19:03:21,089 INFO L280 TraceCheckUtils]: 16: Hoare triple {740#false} havoc __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; {740#false} is VALID [2020-07-28 19:03:21,090 INFO L280 TraceCheckUtils]: 17: Hoare triple {740#false} __utac_acc__Specification4_spec__1_#t~ret25 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {740#false} is VALID [2020-07-28 19:03:21,090 INFO L280 TraceCheckUtils]: 18: Hoare triple {740#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {740#false} is VALID [2020-07-28 19:03:21,091 INFO L280 TraceCheckUtils]: 19: Hoare triple {740#false} __utac_acc__Specification4_spec__1_#t~ret26 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26 && __utac_acc__Specification4_spec__1_#t~ret26 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; {740#false} is VALID [2020-07-28 19:03:21,091 INFO L280 TraceCheckUtils]: 20: Hoare triple {740#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {740#false} is VALID [2020-07-28 19:03:21,091 INFO L280 TraceCheckUtils]: 21: Hoare triple {740#false} assume !false; {740#false} is VALID [2020-07-28 19:03:21,093 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 19:03:21,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144313368] [2020-07-28 19:03:21,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:21,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:03:21,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149427756] [2020-07-28 19:03:21,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 19:03:21,095 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:21,096 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:03:21,128 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 19:03:21,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:03:21,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:21,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:03:21,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:03:21,130 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2020-07-28 19:03:21,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:21,621 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-07-28 19:03:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:03:21,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 19:03:21,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:21,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2020-07-28 19:03:21,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:03:21,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2020-07-28 19:03:21,625 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 86 transitions. [2020-07-28 19:03:21,736 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:21,738 INFO L225 Difference]: With dead ends: 60 [2020-07-28 19:03:21,738 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:03:21,739 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 19:03:21,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:03:21,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:03:21,776 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:21,776 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:21,776 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:21,776 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:21,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:21,778 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 19:03:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:03:21,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:21,779 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:21,779 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:21,779 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:21,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:21,781 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 19:03:21,781 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:03:21,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:21,782 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:21,782 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:21,782 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:21,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:03:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-07-28 19:03:21,784 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-07-28 19:03:21,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:21,784 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-07-28 19:03:21,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:03:21,785 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:03:21,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 19:03:21,785 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:21,785 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 19:03:21,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:03:21,786 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:21,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:21,786 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2020-07-28 19:03:21,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:21,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446935114] [2020-07-28 19:03:21,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:21,910 INFO L280 TraceCheckUtils]: 0: Hoare triple {943#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {945#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:21,911 INFO L280 TraceCheckUtils]: 1: Hoare triple {945#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {945#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:21,912 INFO L280 TraceCheckUtils]: 2: Hoare triple {945#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {946#(= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)} is VALID [2020-07-28 19:03:21,913 INFO L280 TraceCheckUtils]: 3: Hoare triple {946#(= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {947#(= ULTIMATE.start_main_~tmp~8 ~waterLevel~0)} is VALID [2020-07-28 19:03:21,914 INFO L280 TraceCheckUtils]: 4: Hoare triple {947#(= ULTIMATE.start_main_~tmp~8 ~waterLevel~0)} assume 0 != main_~tmp~8; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:21,914 INFO L280 TraceCheckUtils]: 5: Hoare triple {948#(not (= 0 ~waterLevel~0))} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:21,916 INFO L280 TraceCheckUtils]: 6: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume !false; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:21,917 INFO L280 TraceCheckUtils]: 7: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume test_~splverifierCounter~0 < 4; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:21,918 INFO L280 TraceCheckUtils]: 8: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:21,918 INFO L280 TraceCheckUtils]: 9: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume !(0 != test_~tmp~0); {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:21,919 INFO L280 TraceCheckUtils]: 10: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:21,920 INFO L280 TraceCheckUtils]: 11: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume !(0 != test_~tmp___0~0); {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:21,920 INFO L280 TraceCheckUtils]: 12: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:21,921 INFO L280 TraceCheckUtils]: 13: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume 0 != test_~tmp___2~0; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:21,922 INFO L280 TraceCheckUtils]: 14: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:21,922 INFO L280 TraceCheckUtils]: 15: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:21,923 INFO L280 TraceCheckUtils]: 16: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:21,924 INFO L280 TraceCheckUtils]: 17: Hoare triple {948#(not (= 0 ~waterLevel~0))} havoc __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; {949#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:03:21,925 INFO L280 TraceCheckUtils]: 18: Hoare triple {949#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} __utac_acc__Specification4_spec__1_#t~ret25 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {950#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4))} is VALID [2020-07-28 19:03:21,926 INFO L280 TraceCheckUtils]: 19: Hoare triple {950#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {944#false} is VALID [2020-07-28 19:03:21,927 INFO L280 TraceCheckUtils]: 20: Hoare triple {944#false} __utac_acc__Specification4_spec__1_#t~ret26 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26 && __utac_acc__Specification4_spec__1_#t~ret26 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; {944#false} is VALID [2020-07-28 19:03:21,927 INFO L280 TraceCheckUtils]: 21: Hoare triple {944#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {944#false} is VALID [2020-07-28 19:03:21,927 INFO L280 TraceCheckUtils]: 22: Hoare triple {944#false} assume !false; {944#false} is VALID [2020-07-28 19:03:21,929 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 19:03:21,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446935114] [2020-07-28 19:03:21,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:21,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-28 19:03:21,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911219995] [2020-07-28 19:03:21,930 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-07-28 19:03:21,930 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:21,931 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 19:03:21,964 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 19:03:21,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 19:03:21,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:21,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 19:03:21,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:03:21,965 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2020-07-28 19:03:23,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:23,326 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2020-07-28 19:03:23,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-28 19:03:23,326 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-07-28 19:03:23,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:23,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:03:23,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 293 transitions. [2020-07-28 19:03:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:03:23,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 293 transitions. [2020-07-28 19:03:23,344 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 293 transitions. [2020-07-28 19:03:23,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 293 edges. 293 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:23,709 INFO L225 Difference]: With dead ends: 196 [2020-07-28 19:03:23,709 INFO L226 Difference]: Without dead ends: 169 [2020-07-28 19:03:23,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-07-28 19:03:23,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-28 19:03:23,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2020-07-28 19:03:23,841 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:23,841 INFO L82 GeneralOperation]: Start isEquivalent. First operand 169 states. Second operand 78 states. [2020-07-28 19:03:23,841 INFO L74 IsIncluded]: Start isIncluded. First operand 169 states. Second operand 78 states. [2020-07-28 19:03:23,841 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 78 states. [2020-07-28 19:03:23,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:23,851 INFO L93 Difference]: Finished difference Result 169 states and 248 transitions. [2020-07-28 19:03:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 248 transitions. [2020-07-28 19:03:23,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:23,854 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:23,854 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 169 states. [2020-07-28 19:03:23,854 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 169 states. [2020-07-28 19:03:23,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:23,863 INFO L93 Difference]: Finished difference Result 169 states and 248 transitions. [2020-07-28 19:03:23,863 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 248 transitions. [2020-07-28 19:03:23,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:23,864 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:23,864 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:23,865 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:23,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-28 19:03:23,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2020-07-28 19:03:23,868 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2020-07-28 19:03:23,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:23,869 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2020-07-28 19:03:23,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 19:03:23,869 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2020-07-28 19:03:23,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:23,870 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:23,870 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 19:03:23,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:03:23,871 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:23,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:23,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1283837447, now seen corresponding path program 1 times [2020-07-28 19:03:23,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:23,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298382212] [2020-07-28 19:03:23,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:23,939 INFO L280 TraceCheckUtils]: 0: Hoare triple {1678#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,942 INFO L280 TraceCheckUtils]: 1: Hoare triple {1680#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,946 INFO L280 TraceCheckUtils]: 2: Hoare triple {1680#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,947 INFO L280 TraceCheckUtils]: 3: Hoare triple {1680#(= 0 ~pumpRunning~0)} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,948 INFO L280 TraceCheckUtils]: 4: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~8; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,949 INFO L280 TraceCheckUtils]: 5: Hoare triple {1680#(= 0 ~pumpRunning~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,950 INFO L280 TraceCheckUtils]: 6: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume !false; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,951 INFO L280 TraceCheckUtils]: 7: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,951 INFO L280 TraceCheckUtils]: 8: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,952 INFO L280 TraceCheckUtils]: 9: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,953 INFO L280 TraceCheckUtils]: 10: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,954 INFO L280 TraceCheckUtils]: 11: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,959 INFO L280 TraceCheckUtils]: 12: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,960 INFO L280 TraceCheckUtils]: 13: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1680#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:23,961 INFO L280 TraceCheckUtils]: 14: Hoare triple {1680#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {1679#false} is VALID [2020-07-28 19:03:23,962 INFO L280 TraceCheckUtils]: 15: Hoare triple {1679#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {1679#false} is VALID [2020-07-28 19:03:23,962 INFO L280 TraceCheckUtils]: 16: Hoare triple {1679#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {1679#false} is VALID [2020-07-28 19:03:23,962 INFO L280 TraceCheckUtils]: 17: Hoare triple {1679#false} assume !(0 != ~pumpRunning~0); {1679#false} is VALID [2020-07-28 19:03:23,963 INFO L280 TraceCheckUtils]: 18: Hoare triple {1679#false} havoc __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; {1679#false} is VALID [2020-07-28 19:03:23,963 INFO L280 TraceCheckUtils]: 19: Hoare triple {1679#false} __utac_acc__Specification4_spec__1_#t~ret25 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {1679#false} is VALID [2020-07-28 19:03:23,964 INFO L280 TraceCheckUtils]: 20: Hoare triple {1679#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1679#false} is VALID [2020-07-28 19:03:23,964 INFO L280 TraceCheckUtils]: 21: Hoare triple {1679#false} __utac_acc__Specification4_spec__1_#t~ret26 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26 && __utac_acc__Specification4_spec__1_#t~ret26 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; {1679#false} is VALID [2020-07-28 19:03:23,964 INFO L280 TraceCheckUtils]: 22: Hoare triple {1679#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {1679#false} is VALID [2020-07-28 19:03:23,965 INFO L280 TraceCheckUtils]: 23: Hoare triple {1679#false} assume !false; {1679#false} is VALID [2020-07-28 19:03:23,966 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 19:03:23,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298382212] [2020-07-28 19:03:23,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:23,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:23,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774937104] [2020-07-28 19:03:23,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:23,969 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:23,969 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:24,003 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 19:03:24,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:24,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:24,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:24,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:24,005 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2020-07-28 19:03:24,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:24,219 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2020-07-28 19:03:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:24,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:24,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:24,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:03:24,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:03:24,224 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 75 transitions. [2020-07-28 19:03:24,336 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 19:03:24,337 INFO L225 Difference]: With dead ends: 132 [2020-07-28 19:03:24,337 INFO L226 Difference]: Without dead ends: 60 [2020-07-28 19:03:24,338 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 19:03:24,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-07-28 19:03:24,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-07-28 19:03:24,439 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:24,439 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:24,440 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:24,440 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:24,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:24,444 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2020-07-28 19:03:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-07-28 19:03:24,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:24,444 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:24,444 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:24,445 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:24,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:24,447 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2020-07-28 19:03:24,447 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-07-28 19:03:24,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:24,447 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:24,448 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:24,448 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-28 19:03:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2020-07-28 19:03:24,450 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2020-07-28 19:03:24,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:24,450 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2020-07-28 19:03:24,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-07-28 19:03:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-28 19:03:24,451 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:24,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:24,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:03:24,452 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:24,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:24,452 INFO L82 PathProgramCache]: Analyzing trace with hash -994505597, now seen corresponding path program 1 times [2020-07-28 19:03:24,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:24,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911664005] [2020-07-28 19:03:24,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:24,558 INFO L280 TraceCheckUtils]: 0: Hoare triple {2064#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,559 INFO L280 TraceCheckUtils]: 1: Hoare triple {2066#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,560 INFO L280 TraceCheckUtils]: 2: Hoare triple {2066#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,561 INFO L280 TraceCheckUtils]: 3: Hoare triple {2066#(= 1 ~waterLevel~0)} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,562 INFO L280 TraceCheckUtils]: 4: Hoare triple {2066#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~8; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,562 INFO L280 TraceCheckUtils]: 5: Hoare triple {2066#(= 1 ~waterLevel~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,563 INFO L280 TraceCheckUtils]: 6: Hoare triple {2066#(= 1 ~waterLevel~0)} assume !false; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,564 INFO L280 TraceCheckUtils]: 7: Hoare triple {2066#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,564 INFO L280 TraceCheckUtils]: 8: Hoare triple {2066#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,565 INFO L280 TraceCheckUtils]: 9: Hoare triple {2066#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~0; {2066#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,566 INFO L280 TraceCheckUtils]: 10: Hoare triple {2066#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,567 INFO L280 TraceCheckUtils]: 11: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,567 INFO L280 TraceCheckUtils]: 12: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,568 INFO L280 TraceCheckUtils]: 13: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,569 INFO L280 TraceCheckUtils]: 14: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,569 INFO L280 TraceCheckUtils]: 15: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,570 INFO L280 TraceCheckUtils]: 16: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,571 INFO L280 TraceCheckUtils]: 17: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,572 INFO L280 TraceCheckUtils]: 18: Hoare triple {2067#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,573 INFO L280 TraceCheckUtils]: 19: Hoare triple {2067#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret25 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,574 INFO L280 TraceCheckUtils]: 20: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,575 INFO L280 TraceCheckUtils]: 21: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !false; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,576 INFO L280 TraceCheckUtils]: 22: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,577 INFO L280 TraceCheckUtils]: 23: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,578 INFO L280 TraceCheckUtils]: 24: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,579 INFO L280 TraceCheckUtils]: 25: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2065#false} is VALID [2020-07-28 19:03:24,580 INFO L280 TraceCheckUtils]: 26: Hoare triple {2065#false} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {2065#false} is VALID [2020-07-28 19:03:24,580 INFO L280 TraceCheckUtils]: 27: Hoare triple {2065#false} assume !(0 != test_~tmp___0~0); {2065#false} is VALID [2020-07-28 19:03:24,580 INFO L280 TraceCheckUtils]: 28: Hoare triple {2065#false} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {2065#false} is VALID [2020-07-28 19:03:24,580 INFO L280 TraceCheckUtils]: 29: Hoare triple {2065#false} assume 0 != test_~tmp___2~0; {2065#false} is VALID [2020-07-28 19:03:24,581 INFO L280 TraceCheckUtils]: 30: Hoare triple {2065#false} assume !(0 != ~pumpRunning~0); {2065#false} is VALID [2020-07-28 19:03:24,581 INFO L280 TraceCheckUtils]: 31: Hoare triple {2065#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {2065#false} is VALID [2020-07-28 19:03:24,581 INFO L280 TraceCheckUtils]: 32: Hoare triple {2065#false} assume !(0 != ~pumpRunning~0); {2065#false} is VALID [2020-07-28 19:03:24,581 INFO L280 TraceCheckUtils]: 33: Hoare triple {2065#false} havoc __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; {2065#false} is VALID [2020-07-28 19:03:24,582 INFO L280 TraceCheckUtils]: 34: Hoare triple {2065#false} __utac_acc__Specification4_spec__1_#t~ret25 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {2065#false} is VALID [2020-07-28 19:03:24,582 INFO L280 TraceCheckUtils]: 35: Hoare triple {2065#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {2065#false} is VALID [2020-07-28 19:03:24,582 INFO L280 TraceCheckUtils]: 36: Hoare triple {2065#false} __utac_acc__Specification4_spec__1_#t~ret26 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26 && __utac_acc__Specification4_spec__1_#t~ret26 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; {2065#false} is VALID [2020-07-28 19:03:24,582 INFO L280 TraceCheckUtils]: 37: Hoare triple {2065#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {2065#false} is VALID [2020-07-28 19:03:24,583 INFO L280 TraceCheckUtils]: 38: Hoare triple {2065#false} assume !false; {2065#false} is VALID [2020-07-28 19:03:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:24,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911664005] [2020-07-28 19:03:24,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007497040] [2020-07-28 19:03:24,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:03:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:24,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-28 19:03:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:24,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:03:24,909 INFO L280 TraceCheckUtils]: 0: Hoare triple {2064#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,910 INFO L280 TraceCheckUtils]: 1: Hoare triple {2071#(<= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,911 INFO L280 TraceCheckUtils]: 2: Hoare triple {2071#(<= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,912 INFO L280 TraceCheckUtils]: 3: Hoare triple {2071#(<= 1 ~waterLevel~0)} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,914 INFO L280 TraceCheckUtils]: 4: Hoare triple {2071#(<= 1 ~waterLevel~0)} assume 0 != main_~tmp~8; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,917 INFO L280 TraceCheckUtils]: 5: Hoare triple {2071#(<= 1 ~waterLevel~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,917 INFO L280 TraceCheckUtils]: 6: Hoare triple {2071#(<= 1 ~waterLevel~0)} assume !false; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,918 INFO L280 TraceCheckUtils]: 7: Hoare triple {2071#(<= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,919 INFO L280 TraceCheckUtils]: 8: Hoare triple {2071#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,919 INFO L280 TraceCheckUtils]: 9: Hoare triple {2071#(<= 1 ~waterLevel~0)} assume 0 != test_~tmp~0; {2071#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,921 INFO L280 TraceCheckUtils]: 10: Hoare triple {2071#(<= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,921 INFO L280 TraceCheckUtils]: 11: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,922 INFO L280 TraceCheckUtils]: 12: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,923 INFO L280 TraceCheckUtils]: 13: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,923 INFO L280 TraceCheckUtils]: 14: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,924 INFO L280 TraceCheckUtils]: 15: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,925 INFO L280 TraceCheckUtils]: 16: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,926 INFO L280 TraceCheckUtils]: 17: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,927 INFO L280 TraceCheckUtils]: 18: Hoare triple {2067#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,927 INFO L280 TraceCheckUtils]: 19: Hoare triple {2067#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret25 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,928 INFO L280 TraceCheckUtils]: 20: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,929 INFO L280 TraceCheckUtils]: 21: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume !false; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,930 INFO L280 TraceCheckUtils]: 22: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,930 INFO L280 TraceCheckUtils]: 23: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,931 INFO L280 TraceCheckUtils]: 24: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~0; {2067#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:24,932 INFO L280 TraceCheckUtils]: 25: Hoare triple {2067#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2065#false} is VALID [2020-07-28 19:03:24,933 INFO L280 TraceCheckUtils]: 26: Hoare triple {2065#false} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {2065#false} is VALID [2020-07-28 19:03:24,933 INFO L280 TraceCheckUtils]: 27: Hoare triple {2065#false} assume !(0 != test_~tmp___0~0); {2065#false} is VALID [2020-07-28 19:03:24,933 INFO L280 TraceCheckUtils]: 28: Hoare triple {2065#false} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {2065#false} is VALID [2020-07-28 19:03:24,934 INFO L280 TraceCheckUtils]: 29: Hoare triple {2065#false} assume 0 != test_~tmp___2~0; {2065#false} is VALID [2020-07-28 19:03:24,934 INFO L280 TraceCheckUtils]: 30: Hoare triple {2065#false} assume !(0 != ~pumpRunning~0); {2065#false} is VALID [2020-07-28 19:03:24,934 INFO L280 TraceCheckUtils]: 31: Hoare triple {2065#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {2065#false} is VALID [2020-07-28 19:03:24,935 INFO L280 TraceCheckUtils]: 32: Hoare triple {2065#false} assume !(0 != ~pumpRunning~0); {2065#false} is VALID [2020-07-28 19:03:24,935 INFO L280 TraceCheckUtils]: 33: Hoare triple {2065#false} havoc __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; {2065#false} is VALID [2020-07-28 19:03:24,935 INFO L280 TraceCheckUtils]: 34: Hoare triple {2065#false} __utac_acc__Specification4_spec__1_#t~ret25 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {2065#false} is VALID [2020-07-28 19:03:24,936 INFO L280 TraceCheckUtils]: 35: Hoare triple {2065#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {2065#false} is VALID [2020-07-28 19:03:24,936 INFO L280 TraceCheckUtils]: 36: Hoare triple {2065#false} __utac_acc__Specification4_spec__1_#t~ret26 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26 && __utac_acc__Specification4_spec__1_#t~ret26 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; {2065#false} is VALID [2020-07-28 19:03:24,936 INFO L280 TraceCheckUtils]: 37: Hoare triple {2065#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {2065#false} is VALID [2020-07-28 19:03:24,937 INFO L280 TraceCheckUtils]: 38: Hoare triple {2065#false} assume !false; {2065#false} is VALID [2020-07-28 19:03:24,940 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:24,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:03:24,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-07-28 19:03:24,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191628677] [2020-07-28 19:03:24,942 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-07-28 19:03:24,943 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:24,943 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:03:24,996 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:24,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:03:24,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:24,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:03:24,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:24,998 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 4 states. [2020-07-28 19:03:25,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:25,311 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2020-07-28 19:03:25,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:03:25,311 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-07-28 19:03:25,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:25,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:03:25,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2020-07-28 19:03:25,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:03:25,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2020-07-28 19:03:25,315 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 79 transitions. [2020-07-28 19:03:25,416 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:25,417 INFO L225 Difference]: With dead ends: 77 [2020-07-28 19:03:25,417 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:03:25,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:25,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:03:25,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:03:25,419 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:25,419 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:25,419 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:25,419 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:25,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:25,420 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:25,420 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:25,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:25,421 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:25,421 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:25,421 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:25,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:25,422 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:25,422 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:25,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:25,422 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:25,422 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:25,422 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:25,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:03:25,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:03:25,423 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-07-28 19:03:25,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:25,423 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:03:25,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:03:25,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:25,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:25,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-28 19:03:25,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:03:26,363 INFO L264 CegarLoopResult]: At program point L828-2(lines 828 842) the Hoare annotation is: false [2020-07-28 19:03:26,364 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 19:03:26,364 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:03:26,364 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-28 19:03:26,364 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-07-28 19:03:26,364 INFO L268 CegarLoopResult]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2020-07-28 19:03:26,364 INFO L268 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2020-07-28 19:03:26,364 INFO L268 CegarLoopResult]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2020-07-28 19:03:26,364 INFO L268 CegarLoopResult]: For program point L170-1(lines 170 178) no Hoare annotation was computed. [2020-07-28 19:03:26,364 INFO L268 CegarLoopResult]: For program point L170-2(lines 170 178) no Hoare annotation was computed. [2020-07-28 19:03:26,364 INFO L268 CegarLoopResult]: For program point L286(lines 286 290) no Hoare annotation was computed. [2020-07-28 19:03:26,365 INFO L268 CegarLoopResult]: For program point L286-2(lines 286 290) no Hoare annotation was computed. [2020-07-28 19:03:26,365 INFO L268 CegarLoopResult]: For program point L286-3(lines 286 290) no Hoare annotation was computed. [2020-07-28 19:03:26,365 INFO L268 CegarLoopResult]: For program point L286-5(lines 286 290) no Hoare annotation was computed. [2020-07-28 19:03:26,365 INFO L268 CegarLoopResult]: For program point L286-6(lines 286 290) no Hoare annotation was computed. [2020-07-28 19:03:26,365 INFO L268 CegarLoopResult]: For program point L286-8(lines 286 290) no Hoare annotation was computed. [2020-07-28 19:03:26,365 INFO L264 CegarLoopResult]: At program point L237(lines 232 240) the Hoare annotation is: false [2020-07-28 19:03:26,365 INFO L264 CegarLoopResult]: At program point L237-1(lines 232 240) the Hoare annotation is: false [2020-07-28 19:03:26,365 INFO L264 CegarLoopResult]: At program point L237-2(lines 232 240) the Hoare annotation is: false [2020-07-28 19:03:26,365 INFO L268 CegarLoopResult]: For program point L832(lines 832 836) no Hoare annotation was computed. [2020-07-28 19:03:26,365 INFO L268 CegarLoopResult]: For program point L832-1(lines 134 140) no Hoare annotation was computed. [2020-07-28 19:03:26,366 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-07-28 19:03:26,366 INFO L264 CegarLoopResult]: At program point L73-1(lines 73 79) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3 .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:03:26,366 INFO L268 CegarLoopResult]: For program point L899(lines 899 906) no Hoare annotation was computed. [2020-07-28 19:03:26,366 INFO L271 CegarLoopResult]: At program point L899-1(lines 899 906) the Hoare annotation is: true [2020-07-28 19:03:26,366 INFO L264 CegarLoopResult]: At program point L437(lines 432 440) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4 .cse5) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-07-28 19:03:26,366 INFO L264 CegarLoopResult]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2020-07-28 19:03:26,366 INFO L264 CegarLoopResult]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2020-07-28 19:03:26,367 INFO L264 CegarLoopResult]: At program point L322(lines 1 911) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:26,367 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:03:26,367 INFO L264 CegarLoopResult]: At program point L141(lines 141 147) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3 .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:03:26,367 INFO L264 CegarLoopResult]: At program point L141-1(lines 141 147) the Hoare annotation is: false [2020-07-28 19:03:26,367 INFO L264 CegarLoopResult]: At program point L141-2(lines 141 147) the Hoare annotation is: false [2020-07-28 19:03:26,367 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 19:03:26,367 INFO L264 CegarLoopResult]: At program point L109(lines 62 110) the Hoare annotation is: false [2020-07-28 19:03:26,368 INFO L268 CegarLoopResult]: For program point L93(lines 93 104) no Hoare annotation was computed. [2020-07-28 19:03:26,368 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-07-28 19:03:26,368 INFO L268 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2020-07-28 19:03:26,368 INFO L268 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2020-07-28 19:03:26,368 INFO L264 CegarLoopResult]: At program point L292(lines 277 295) the Hoare annotation is: false [2020-07-28 19:03:26,368 INFO L264 CegarLoopResult]: At program point L292-1(lines 277 295) the Hoare annotation is: false [2020-07-28 19:03:26,368 INFO L264 CegarLoopResult]: At program point L292-2(lines 277 295) the Hoare annotation is: false [2020-07-28 19:03:26,368 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:03:26,368 INFO L268 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-07-28 19:03:26,368 INFO L268 CegarLoopResult]: For program point L344(lines 344 357) no Hoare annotation was computed. [2020-07-28 19:03:26,369 INFO L264 CegarLoopResult]: At program point L344-1(lines 1 911) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3 .cse4) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)) .cse2 .cse3 .cse4))) [2020-07-28 19:03:26,369 INFO L268 CegarLoopResult]: For program point L344-2(lines 344 357) no Hoare annotation was computed. [2020-07-28 19:03:26,369 INFO L264 CegarLoopResult]: At program point L344-3(lines 1 911) the Hoare annotation is: false [2020-07-28 19:03:26,369 INFO L268 CegarLoopResult]: For program point L344-4(lines 344 357) no Hoare annotation was computed. [2020-07-28 19:03:26,369 INFO L264 CegarLoopResult]: At program point L344-5(lines 1 911) the Hoare annotation is: false [2020-07-28 19:03:26,369 INFO L268 CegarLoopResult]: For program point L64(lines 63 108) no Hoare annotation was computed. [2020-07-28 19:03:26,369 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-28 19:03:26,369 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:03:26,370 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 19:03:26,370 INFO L271 CegarLoopResult]: At program point L908(lines 889 911) the Hoare annotation is: true [2020-07-28 19:03:26,370 INFO L264 CegarLoopResult]: At program point L330(lines 325 333) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:26,370 INFO L268 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2020-07-28 19:03:26,370 INFO L268 CegarLoopResult]: For program point L99-2(lines 134 140) no Hoare annotation was computed. [2020-07-28 19:03:26,370 INFO L264 CegarLoopResult]: At program point L446(lines 441 449) the Hoare annotation is: false [2020-07-28 19:03:26,370 INFO L264 CegarLoopResult]: At program point L446-1(lines 441 449) the Hoare annotation is: false [2020-07-28 19:03:26,370 INFO L268 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2020-07-28 19:03:26,370 INFO L264 CegarLoopResult]: At program point L446-2(lines 441 449) the Hoare annotation is: false [2020-07-28 19:03:26,371 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-28 19:03:26,371 INFO L264 CegarLoopResult]: At program point L83-1(lines 83 89) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3 .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:03:26,371 INFO L264 CegarLoopResult]: At program point L876(lines 872 878) 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~8 ~systemActive~0)) [2020-07-28 19:03:26,371 INFO L268 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-07-28 19:03:26,371 INFO L268 CegarLoopResult]: For program point L166-1(lines 166 183) no Hoare annotation was computed. [2020-07-28 19:03:26,371 INFO L268 CegarLoopResult]: For program point L166-2(lines 166 183) no Hoare annotation was computed. [2020-07-28 19:03:26,371 INFO L268 CegarLoopResult]: For program point L348(lines 348 354) no Hoare annotation was computed. [2020-07-28 19:03:26,371 INFO L268 CegarLoopResult]: For program point L348-2(lines 348 354) no Hoare annotation was computed. [2020-07-28 19:03:26,372 INFO L268 CegarLoopResult]: For program point L348-4(lines 348 354) no Hoare annotation was computed. [2020-07-28 19:03:26,372 INFO L264 CegarLoopResult]: At program point L134(lines 133 152) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3 .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:03:26,372 INFO L268 CegarLoopResult]: For program point L134-1(lines 134 140) no Hoare annotation was computed. [2020-07-28 19:03:26,372 INFO L264 CegarLoopResult]: At program point L134-2(lines 133 152) the Hoare annotation is: false [2020-07-28 19:03:26,372 INFO L264 CegarLoopResult]: At program point L134-3(lines 133 152) the Hoare annotation is: false [2020-07-28 19:03:26,377 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:03:26,377 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:03:26,380 WARN L170 areAnnotationChecker]: L899 has no Hoare annotation [2020-07-28 19:03:26,380 WARN L170 areAnnotationChecker]: L899 has no Hoare annotation [2020-07-28 19:03:26,380 WARN L170 areAnnotationChecker]: L899 has no Hoare annotation [2020-07-28 19:03:26,381 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:03:26,381 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:26,382 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-28 19:03:26,382 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:03:26,382 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:03:26,382 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:26,382 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-28 19:03:26,382 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-28 19:03:26,382 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:03:26,382 WARN L170 areAnnotationChecker]: L368-3 has no Hoare annotation [2020-07-28 19:03:26,382 WARN L170 areAnnotationChecker]: L368-3 has no Hoare annotation [2020-07-28 19:03:26,382 WARN L170 areAnnotationChecker]: L166-1 has no Hoare annotation [2020-07-28 19:03:26,382 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 19:03:26,383 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 19:03:26,383 WARN L170 areAnnotationChecker]: L166-1 has no Hoare annotation [2020-07-28 19:03:26,383 WARN L170 areAnnotationChecker]: L166-1 has no Hoare annotation [2020-07-28 19:03:26,383 WARN L170 areAnnotationChecker]: L380 has no Hoare annotation [2020-07-28 19:03:26,383 WARN L170 areAnnotationChecker]: L380 has no Hoare annotation [2020-07-28 19:03:26,383 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-28 19:03:26,383 WARN L170 areAnnotationChecker]: L286-3 has no Hoare annotation [2020-07-28 19:03:26,383 WARN L170 areAnnotationChecker]: L344-2 has no Hoare annotation [2020-07-28 19:03:26,383 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-28 19:03:26,383 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-28 19:03:26,383 WARN L170 areAnnotationChecker]: L286-3 has no Hoare annotation [2020-07-28 19:03:26,384 WARN L170 areAnnotationChecker]: L286-3 has no Hoare annotation [2020-07-28 19:03:26,384 WARN L170 areAnnotationChecker]: L344-2 has no Hoare annotation [2020-07-28 19:03:26,384 WARN L170 areAnnotationChecker]: L344-2 has no Hoare annotation [2020-07-28 19:03:26,384 WARN L170 areAnnotationChecker]: L392 has no Hoare annotation [2020-07-28 19:03:26,384 WARN L170 areAnnotationChecker]: L392 has no Hoare annotation [2020-07-28 19:03:26,384 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:03:26,384 WARN L170 areAnnotationChecker]: L286-5 has no Hoare annotation [2020-07-28 19:03:26,384 WARN L170 areAnnotationChecker]: L348-2 has no Hoare annotation [2020-07-28 19:03:26,384 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:03:26,384 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:03:26,385 WARN L170 areAnnotationChecker]: L170-1 has no Hoare annotation [2020-07-28 19:03:26,385 WARN L170 areAnnotationChecker]: L348-2 has no Hoare annotation [2020-07-28 19:03:26,385 WARN L170 areAnnotationChecker]: L348-2 has no Hoare annotation [2020-07-28 19:03:26,385 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-28 19:03:26,385 WARN L170 areAnnotationChecker]: L99-2 has no Hoare annotation [2020-07-28 19:03:26,385 WARN L170 areAnnotationChecker]: L99-2 has no Hoare annotation [2020-07-28 19:03:26,385 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2020-07-28 19:03:26,385 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2020-07-28 19:03:26,385 WARN L170 areAnnotationChecker]: L170-1 has no Hoare annotation [2020-07-28 19:03:26,385 WARN L170 areAnnotationChecker]: L170-1 has no Hoare annotation [2020-07-28 19:03:26,385 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:03:26,386 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:03:26,386 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-28 19:03:26,386 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2020-07-28 19:03:26,386 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2020-07-28 19:03:26,386 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2020-07-28 19:03:26,386 WARN L170 areAnnotationChecker]: L832 has no Hoare annotation [2020-07-28 19:03:26,386 WARN L170 areAnnotationChecker]: L832 has no Hoare annotation [2020-07-28 19:03:26,386 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2020-07-28 19:03:26,387 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2020-07-28 19:03:26,387 WARN L170 areAnnotationChecker]: L832-1 has no Hoare annotation [2020-07-28 19:03:26,388 WARN L170 areAnnotationChecker]: L832-1 has no Hoare annotation [2020-07-28 19:03:26,388 WARN L170 areAnnotationChecker]: L286 has no Hoare annotation [2020-07-28 19:03:26,388 WARN L170 areAnnotationChecker]: L344 has no Hoare annotation [2020-07-28 19:03:26,388 WARN L170 areAnnotationChecker]: L368-6 has no Hoare annotation [2020-07-28 19:03:26,388 WARN L170 areAnnotationChecker]: L368-6 has no Hoare annotation [2020-07-28 19:03:26,388 WARN L170 areAnnotationChecker]: L166-2 has no Hoare annotation [2020-07-28 19:03:26,388 WARN L170 areAnnotationChecker]: L286 has no Hoare annotation [2020-07-28 19:03:26,388 WARN L170 areAnnotationChecker]: L286 has no Hoare annotation [2020-07-28 19:03:26,388 WARN L170 areAnnotationChecker]: L344 has no Hoare annotation [2020-07-28 19:03:26,388 WARN L170 areAnnotationChecker]: L344 has no Hoare annotation [2020-07-28 19:03:26,388 WARN L170 areAnnotationChecker]: L166-2 has no Hoare annotation [2020-07-28 19:03:26,389 WARN L170 areAnnotationChecker]: L166-2 has no Hoare annotation [2020-07-28 19:03:26,389 WARN L170 areAnnotationChecker]: L286-2 has no Hoare annotation [2020-07-28 19:03:26,389 WARN L170 areAnnotationChecker]: L348 has no Hoare annotation [2020-07-28 19:03:26,389 WARN L170 areAnnotationChecker]: L286-6 has no Hoare annotation [2020-07-28 19:03:26,389 WARN L170 areAnnotationChecker]: L344-4 has no Hoare annotation [2020-07-28 19:03:26,389 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-28 19:03:26,389 WARN L170 areAnnotationChecker]: L348 has no Hoare annotation [2020-07-28 19:03:26,389 WARN L170 areAnnotationChecker]: L348 has no Hoare annotation [2020-07-28 19:03:26,389 WARN L170 areAnnotationChecker]: L286-6 has no Hoare annotation [2020-07-28 19:03:26,389 WARN L170 areAnnotationChecker]: L286-6 has no Hoare annotation [2020-07-28 19:03:26,389 WARN L170 areAnnotationChecker]: L344-4 has no Hoare annotation [2020-07-28 19:03:26,389 WARN L170 areAnnotationChecker]: L344-4 has no Hoare annotation [2020-07-28 19:03:26,390 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-28 19:03:26,390 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-28 19:03:26,390 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:03:26,390 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:03:26,390 WARN L170 areAnnotationChecker]: L286-8 has no Hoare annotation [2020-07-28 19:03:26,390 WARN L170 areAnnotationChecker]: L348-4 has no Hoare annotation [2020-07-28 19:03:26,390 WARN L170 areAnnotationChecker]: L170-2 has no Hoare annotation [2020-07-28 19:03:26,390 WARN L170 areAnnotationChecker]: L348-4 has no Hoare annotation [2020-07-28 19:03:26,390 WARN L170 areAnnotationChecker]: L348-4 has no Hoare annotation [2020-07-28 19:03:26,390 WARN L170 areAnnotationChecker]: L170-2 has no Hoare annotation [2020-07-28 19:03:26,391 WARN L170 areAnnotationChecker]: L170-2 has no Hoare annotation [2020-07-28 19:03:26,391 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:03:26,391 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:03:26,391 INFO L163 areAnnotationChecker]: CFG has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:03:26,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:03:26 BoogieIcfgContainer [2020-07-28 19:03:26,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:03:26,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:03:26,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:03:26,419 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:03:26,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:19" (3/4) ... [2020-07-28 19:03:26,424 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:03:26,443 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:03:26,444 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:03:26,445 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:03:26,445 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:03:26,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:03:26,447 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:26,447 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:26,479 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == pumpRunning && \result == systemActive) && 1 == waterLevel) && 1 == systemActive [2020-07-28 19:03:26,480 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == pumpRunning && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive [2020-07-28 19:03:26,480 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && !(0 == tmp)) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) [2020-07-28 19:03:26,480 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) [2020-07-28 19:03:26,481 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) [2020-07-28 19:03:26,481 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) [2020-07-28 19:03:26,482 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) [2020-07-28 19:03:26,483 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive) || ((((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) [2020-07-28 19:03:26,556 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:03:26,556 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:03:26,559 INFO L168 Benchmark]: Toolchain (without parser) took 9609.15 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.2 MB). Free memory was 962.9 MB in the beginning and 1.0 GB in the end (delta: -55.8 MB). Peak memory consumption was 271.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:26,560 INFO L168 Benchmark]: CDTParser took 0.20 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 19:03:26,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:26,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:26,561 INFO L168 Benchmark]: Boogie Preprocessor took 68.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:03:26,562 INFO L168 Benchmark]: RCFGBuilder took 1392.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.6 MB in the end (delta: 140.8 MB). Peak memory consumption was 140.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:26,562 INFO L168 Benchmark]: TraceAbstraction took 7262.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.7 MB). Free memory was 966.6 MB in the beginning and 1.0 GB in the end (delta: -61.6 MB). Peak memory consumption was 127.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:26,562 INFO L168 Benchmark]: Witness Printer took 137.06 ms. Allocated memory is still 1.4 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 19:03:26,564 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 0.20 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 651.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1392.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.6 MB in the end (delta: 140.8 MB). Peak memory consumption was 140.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7262.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.7 MB). Free memory was 966.6 MB in the beginning and 1.0 GB in the end (delta: -61.6 MB). Peak memory consumption was 127.1 MB. Max. memory is 11.5 GB. * Witness Printer took 137.06 ms. Allocated memory is still 1.4 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: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 899]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((0 == pumpRunning && \result == systemActive) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && !(0 == tmp)) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((0 == pumpRunning && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive) || ((((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 329 SDtfs, 515 SDslu, 367 SDs, 0 SdLazy, 104 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 44 NumberOfFragments, 310 HoareAnnotationTreeSize, 30 FomulaSimplifications, 352 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 11358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 352 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...