./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f80d3a5338c2579934de7f265b1ca347607a109f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:59:12,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:59:12,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:59:12,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:59:12,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:59:12,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:59:12,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:59:12,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:59:12,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:59:12,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:59:12,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:59:12,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:59:12,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:59:12,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:59:12,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:59:12,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:59:12,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:59:12,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:59:12,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:59:12,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:59:12,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:59:12,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:59:12,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:59:12,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:59:12,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:59:12,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:59:12,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:59:12,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:59:12,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:59:12,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:59:12,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:59:12,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:59:12,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:59:12,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:59:12,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:59:12,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:59:12,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:59:12,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:59:12,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:59:12,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:59:12,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:59:12,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:59:12,191 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:59:12,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:59:12,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:59:12,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:59:12,194 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:59:12,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:59:12,194 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:59:12,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:59:12,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:59:12,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:59:12,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:59:12,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:59:12,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:59:12,197 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:59:12,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:59:12,198 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:59:12,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:59:12,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:59:12,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:59:12,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:59:12,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:59:12,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:12,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:59:12,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:59:12,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:59:12,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:59:12,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:59:12,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:59:12,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:59:12,203 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 -> f80d3a5338c2579934de7f265b1ca347607a109f [2020-07-28 18:59:12,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:59:12,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:59:12,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:59:12,520 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:59:12,520 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:59:12,521 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2020-07-28 18:59:12,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9c518c0/d76d12a31b3d41279aeb1f73d968edf4/FLAG822a5de41 [2020-07-28 18:59:13,085 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:59:13,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2020-07-28 18:59:13,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9c518c0/d76d12a31b3d41279aeb1f73d968edf4/FLAG822a5de41 [2020-07-28 18:59:13,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9c518c0/d76d12a31b3d41279aeb1f73d968edf4 [2020-07-28 18:59:13,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:59:13,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:59:13,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:13,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:59:13,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:59:13,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:13" (1/1) ... [2020-07-28 18:59:13,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ea5e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:13, skipping insertion in model container [2020-07-28 18:59:13,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:13" (1/1) ... [2020-07-28 18:59:13,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:59:13,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:59:13,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:13,926 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:59:14,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:14,114 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:59:14,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14 WrapperNode [2020-07-28 18:59:14,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:14,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:14,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:59:14,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:59:14,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:14,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:59:14,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:59:14,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:59:14,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (1/1) ... [2020-07-28 18:59:14,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:59:14,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:59:14,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:59:14,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:59:14,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (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 18:59:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:59:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:59:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:59:14,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:59:15,656 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:59:15,656 INFO L295 CfgBuilder]: Removed 104 assume(true) statements. [2020-07-28 18:59:15,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:15 BoogieIcfgContainer [2020-07-28 18:59:15,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:59:15,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:59:15,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:59:15,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:59:15,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:59:13" (1/3) ... [2020-07-28 18:59:15,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a50d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:15, skipping insertion in model container [2020-07-28 18:59:15,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:14" (2/3) ... [2020-07-28 18:59:15,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a50d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:15, skipping insertion in model container [2020-07-28 18:59:15,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:15" (3/3) ... [2020-07-28 18:59:15,670 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2020-07-28 18:59:15,681 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:59:15,689 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:59:15,704 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:59:15,729 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:59:15,729 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:59:15,729 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:59:15,729 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:59:15,730 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:59:15,730 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:59:15,731 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:59:15,731 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:59:15,749 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-28 18:59:15,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 18:59:15,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:15,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:15,758 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:15,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:15,765 INFO L82 PathProgramCache]: Analyzing trace with hash 312412164, now seen corresponding path program 1 times [2020-07-28 18:59:15,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:15,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371353583] [2020-07-28 18:59:15,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:16,081 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {78#true} is VALID [2020-07-28 18:59:16,082 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {78#true} is VALID [2020-07-28 18:59:16,083 INFO L280 TraceCheckUtils]: 2: Hoare triple {78#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {78#true} is VALID [2020-07-28 18:59:16,083 INFO L280 TraceCheckUtils]: 3: Hoare triple {78#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {78#true} is VALID [2020-07-28 18:59:16,084 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#true} assume 0 != main_~tmp~0; {78#true} is VALID [2020-07-28 18:59:16,085 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#true} ~methAndRunningLastTime~0 := 0; {78#true} is VALID [2020-07-28 18:59:16,086 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#true} havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {78#true} is VALID [2020-07-28 18:59:16,087 INFO L280 TraceCheckUtils]: 7: Hoare triple {78#true} assume false; {79#false} is VALID [2020-07-28 18:59:16,087 INFO L280 TraceCheckUtils]: 8: 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 18:59:16,088 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#false} assume !(0 != ~pumpRunning~0); {79#false} is VALID [2020-07-28 18:59:16,088 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#false} assume !(0 != ~systemActive~0); {79#false} is VALID [2020-07-28 18:59:16,089 INFO L280 TraceCheckUtils]: 11: Hoare triple {79#false} havoc __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_#t~ret48, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {79#false} is VALID [2020-07-28 18:59:16,089 INFO L280 TraceCheckUtils]: 12: Hoare triple {79#false} __utac_acc__Specification2_spec__2_#t~ret47 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret47 && __utac_acc__Specification2_spec__2_#t~ret47 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; {79#false} is VALID [2020-07-28 18:59:16,090 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {79#false} is VALID [2020-07-28 18:59:16,090 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#false} __utac_acc__Specification2_spec__2_#t~ret48 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret48 && __utac_acc__Specification2_spec__2_#t~ret48 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret48;havoc __utac_acc__Specification2_spec__2_#t~ret48; {79#false} is VALID [2020-07-28 18:59:16,091 INFO L280 TraceCheckUtils]: 15: Hoare triple {79#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {79#false} is VALID [2020-07-28 18:59:16,092 INFO L280 TraceCheckUtils]: 16: Hoare triple {79#false} assume 0 != ~methAndRunningLastTime~0; {79#false} is VALID [2020-07-28 18:59:16,092 INFO L280 TraceCheckUtils]: 17: Hoare triple {79#false} assume !false; {79#false} is VALID [2020-07-28 18:59:16,097 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 18:59:16,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371353583] [2020-07-28 18:59:16,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:16,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:16,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782571151] [2020-07-28 18:59:16,107 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:16,109 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:16,114 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:59:16,163 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:16,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:59:16,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:16,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:59:16,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:16,177 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-07-28 18:59:16,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:16,393 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2020-07-28 18:59:16,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:59:16,394 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:16,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:16,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 216 transitions. [2020-07-28 18:59:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:16,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 216 transitions. [2020-07-28 18:59:16,415 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 216 transitions. [2020-07-28 18:59:16,722 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 216 edges. 216 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:16,737 INFO L225 Difference]: With dead ends: 143 [2020-07-28 18:59:16,737 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 18:59:16,741 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 18:59:16,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 18:59:16,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 18:59:16,806 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:16,807 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:16,807 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:16,807 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:16,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:16,816 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-07-28 18:59:16,816 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-07-28 18:59:16,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:16,818 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:16,818 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:16,819 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:16,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:16,839 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-07-28 18:59:16,839 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-07-28 18:59:16,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:16,840 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:16,842 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:16,842 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:16,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 18:59:16,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-07-28 18:59:16,851 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-07-28 18:59:16,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:16,852 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-07-28 18:59:16,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:59:16,852 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-07-28 18:59:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 18:59:16,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:16,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:16,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:59:16,859 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:16,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:16,859 INFO L82 PathProgramCache]: Analyzing trace with hash 93576195, now seen corresponding path program 1 times [2020-07-28 18:59:16,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:16,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129163012] [2020-07-28 18:59:16,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:17,015 INFO L280 TraceCheckUtils]: 0: Hoare triple {531#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {531#true} is VALID [2020-07-28 18:59:17,015 INFO L280 TraceCheckUtils]: 1: Hoare triple {531#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {531#true} is VALID [2020-07-28 18:59:17,016 INFO L280 TraceCheckUtils]: 2: Hoare triple {531#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {531#true} is VALID [2020-07-28 18:59:17,016 INFO L280 TraceCheckUtils]: 3: Hoare triple {531#true} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {531#true} is VALID [2020-07-28 18:59:17,016 INFO L280 TraceCheckUtils]: 4: Hoare triple {531#true} assume 0 != main_~tmp~0; {531#true} is VALID [2020-07-28 18:59:17,017 INFO L280 TraceCheckUtils]: 5: Hoare triple {531#true} ~methAndRunningLastTime~0 := 0; {531#true} is VALID [2020-07-28 18:59:17,018 INFO L280 TraceCheckUtils]: 6: Hoare triple {531#true} havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {533#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:17,019 INFO L280 TraceCheckUtils]: 7: Hoare triple {533#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {533#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:17,020 INFO L280 TraceCheckUtils]: 8: Hoare triple {533#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {532#false} is VALID [2020-07-28 18:59:17,020 INFO L280 TraceCheckUtils]: 9: Hoare triple {532#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {532#false} is VALID [2020-07-28 18:59:17,020 INFO L280 TraceCheckUtils]: 10: Hoare triple {532#false} assume !(0 != ~pumpRunning~0); {532#false} is VALID [2020-07-28 18:59:17,021 INFO L280 TraceCheckUtils]: 11: Hoare triple {532#false} assume !(0 != ~systemActive~0); {532#false} is VALID [2020-07-28 18:59:17,021 INFO L280 TraceCheckUtils]: 12: Hoare triple {532#false} havoc __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_#t~ret48, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {532#false} is VALID [2020-07-28 18:59:17,021 INFO L280 TraceCheckUtils]: 13: Hoare triple {532#false} __utac_acc__Specification2_spec__2_#t~ret47 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret47 && __utac_acc__Specification2_spec__2_#t~ret47 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; {532#false} is VALID [2020-07-28 18:59:17,021 INFO L280 TraceCheckUtils]: 14: Hoare triple {532#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {532#false} is VALID [2020-07-28 18:59:17,022 INFO L280 TraceCheckUtils]: 15: Hoare triple {532#false} __utac_acc__Specification2_spec__2_#t~ret48 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret48 && __utac_acc__Specification2_spec__2_#t~ret48 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret48;havoc __utac_acc__Specification2_spec__2_#t~ret48; {532#false} is VALID [2020-07-28 18:59:17,022 INFO L280 TraceCheckUtils]: 16: Hoare triple {532#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {532#false} is VALID [2020-07-28 18:59:17,023 INFO L280 TraceCheckUtils]: 17: Hoare triple {532#false} assume 0 != ~methAndRunningLastTime~0; {532#false} is VALID [2020-07-28 18:59:17,023 INFO L280 TraceCheckUtils]: 18: Hoare triple {532#false} assume !false; {532#false} is VALID [2020-07-28 18:59:17,024 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 18:59:17,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129163012] [2020-07-28 18:59:17,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:17,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:17,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226507563] [2020-07-28 18:59:17,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:17,028 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:17,028 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:17,061 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:17,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:17,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:17,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:17,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:17,062 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2020-07-28 18:59:17,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:17,242 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-07-28 18:59:17,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:17,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:17,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:17,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:17,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2020-07-28 18:59:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:17,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2020-07-28 18:59:17,248 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 100 transitions. [2020-07-28 18:59:17,398 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:17,400 INFO L225 Difference]: With dead ends: 71 [2020-07-28 18:59:17,400 INFO L226 Difference]: Without dead ends: 35 [2020-07-28 18:59:17,402 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 18:59:17,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-28 18:59:17,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-07-28 18:59:17,421 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:17,421 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:17,421 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:17,421 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:17,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:17,423 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 18:59:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 18:59:17,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:17,424 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:17,425 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:17,425 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:17,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:17,427 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 18:59:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 18:59:17,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:17,428 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:17,428 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:17,428 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-28 18:59:17,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-07-28 18:59:17,430 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-07-28 18:59:17,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:17,431 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-07-28 18:59:17,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:17,431 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 18:59:17,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:59:17,435 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:17,436 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 18:59:17,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:59:17,437 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:17,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:17,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2020-07-28 18:59:17,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:17,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553038841] [2020-07-28 18:59:17,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:17,643 INFO L280 TraceCheckUtils]: 0: Hoare triple {758#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {758#true} is VALID [2020-07-28 18:59:17,644 INFO L280 TraceCheckUtils]: 1: Hoare triple {758#true} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {758#true} is VALID [2020-07-28 18:59:17,644 INFO L280 TraceCheckUtils]: 2: Hoare triple {758#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {760#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 18:59:17,645 INFO L280 TraceCheckUtils]: 3: Hoare triple {760#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {761#(= 1 ULTIMATE.start_main_~tmp~0)} is VALID [2020-07-28 18:59:17,646 INFO L280 TraceCheckUtils]: 4: Hoare triple {761#(= 1 ULTIMATE.start_main_~tmp~0)} assume 0 != main_~tmp~0; {758#true} is VALID [2020-07-28 18:59:17,646 INFO L280 TraceCheckUtils]: 5: Hoare triple {758#true} ~methAndRunningLastTime~0 := 0; {758#true} is VALID [2020-07-28 18:59:17,646 INFO L280 TraceCheckUtils]: 6: Hoare triple {758#true} havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {758#true} is VALID [2020-07-28 18:59:17,647 INFO L280 TraceCheckUtils]: 7: Hoare triple {758#true} assume !false; {758#true} is VALID [2020-07-28 18:59:17,647 INFO L280 TraceCheckUtils]: 8: Hoare triple {758#true} assume test_~splverifierCounter~0 < 4; {758#true} is VALID [2020-07-28 18:59:17,647 INFO L280 TraceCheckUtils]: 9: Hoare triple {758#true} assume -2147483648 <= test_#t~nondet49 && test_#t~nondet49 <= 2147483647;test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; {758#true} is VALID [2020-07-28 18:59:17,648 INFO L280 TraceCheckUtils]: 10: Hoare triple {758#true} assume !(0 != test_~tmp~5); {758#true} is VALID [2020-07-28 18:59:17,648 INFO L280 TraceCheckUtils]: 11: Hoare triple {758#true} assume -2147483648 <= test_#t~nondet50 && test_#t~nondet50 <= 2147483647;test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; {758#true} is VALID [2020-07-28 18:59:17,648 INFO L280 TraceCheckUtils]: 12: Hoare triple {758#true} assume !(0 != test_~tmp___0~1); {758#true} is VALID [2020-07-28 18:59:17,649 INFO L280 TraceCheckUtils]: 13: Hoare triple {758#true} assume -2147483648 <= test_#t~nondet51 && test_#t~nondet51 <= 2147483647;test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; {758#true} is VALID [2020-07-28 18:59:17,649 INFO L280 TraceCheckUtils]: 14: Hoare triple {758#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {762#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:17,653 INFO L280 TraceCheckUtils]: 15: Hoare triple {762#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {762#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:17,654 INFO L280 TraceCheckUtils]: 16: Hoare triple {762#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {759#false} is VALID [2020-07-28 18:59:17,655 INFO L280 TraceCheckUtils]: 17: Hoare triple {759#false} havoc __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_#t~ret48, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {759#false} is VALID [2020-07-28 18:59:17,655 INFO L280 TraceCheckUtils]: 18: Hoare triple {759#false} __utac_acc__Specification2_spec__2_#t~ret47 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret47 && __utac_acc__Specification2_spec__2_#t~ret47 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; {759#false} is VALID [2020-07-28 18:59:17,656 INFO L280 TraceCheckUtils]: 19: Hoare triple {759#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {759#false} is VALID [2020-07-28 18:59:17,656 INFO L280 TraceCheckUtils]: 20: Hoare triple {759#false} __utac_acc__Specification2_spec__2_#t~ret48 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret48 && __utac_acc__Specification2_spec__2_#t~ret48 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret48;havoc __utac_acc__Specification2_spec__2_#t~ret48; {759#false} is VALID [2020-07-28 18:59:17,657 INFO L280 TraceCheckUtils]: 21: Hoare triple {759#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {759#false} is VALID [2020-07-28 18:59:17,658 INFO L280 TraceCheckUtils]: 22: Hoare triple {759#false} assume 0 != ~methAndRunningLastTime~0; {759#false} is VALID [2020-07-28 18:59:17,658 INFO L280 TraceCheckUtils]: 23: Hoare triple {759#false} assume !false; {759#false} is VALID [2020-07-28 18:59:17,659 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 18:59:17,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553038841] [2020-07-28 18:59:17,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:17,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:59:17,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314253636] [2020-07-28 18:59:17,662 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:59:17,663 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:17,663 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:17,700 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 18:59:17,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:17,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:17,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:17,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:17,701 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2020-07-28 18:59:18,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:18,226 INFO L93 Difference]: Finished difference Result 87 states and 127 transitions. [2020-07-28 18:59:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:59:18,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:59:18,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:18,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:18,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 127 transitions. [2020-07-28 18:59:18,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 127 transitions. [2020-07-28 18:59:18,233 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 127 transitions. [2020-07-28 18:59:18,392 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:18,394 INFO L225 Difference]: With dead ends: 87 [2020-07-28 18:59:18,394 INFO L226 Difference]: Without dead ends: 59 [2020-07-28 18:59:18,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:59:18,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-07-28 18:59:18,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2020-07-28 18:59:18,457 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:18,458 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 55 states. [2020-07-28 18:59:18,458 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 55 states. [2020-07-28 18:59:18,458 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 55 states. [2020-07-28 18:59:18,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:18,461 INFO L93 Difference]: Finished difference Result 59 states and 84 transitions. [2020-07-28 18:59:18,461 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2020-07-28 18:59:18,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:18,462 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:18,462 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 59 states. [2020-07-28 18:59:18,462 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 59 states. [2020-07-28 18:59:18,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:18,465 INFO L93 Difference]: Finished difference Result 59 states and 84 transitions. [2020-07-28 18:59:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2020-07-28 18:59:18,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:18,466 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:18,466 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:18,466 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:18,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 18:59:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2020-07-28 18:59:18,469 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2020-07-28 18:59:18,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:18,470 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2020-07-28 18:59:18,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2020-07-28 18:59:18,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:59:18,471 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:18,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:18,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:59:18,471 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:18,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:18,472 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2020-07-28 18:59:18,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:18,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580954327] [2020-07-28 18:59:18,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:18,552 INFO L280 TraceCheckUtils]: 0: Hoare triple {1091#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,553 INFO L280 TraceCheckUtils]: 1: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,554 INFO L280 TraceCheckUtils]: 2: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,555 INFO L280 TraceCheckUtils]: 3: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,556 INFO L280 TraceCheckUtils]: 4: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~0; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,556 INFO L280 TraceCheckUtils]: 5: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} ~methAndRunningLastTime~0 := 0; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,557 INFO L280 TraceCheckUtils]: 6: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,557 INFO L280 TraceCheckUtils]: 7: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} assume !false; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,558 INFO L280 TraceCheckUtils]: 8: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,559 INFO L280 TraceCheckUtils]: 9: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet49 && test_#t~nondet49 <= 2147483647;test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,559 INFO L280 TraceCheckUtils]: 10: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~5); {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,560 INFO L280 TraceCheckUtils]: 11: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet50 && test_#t~nondet50 <= 2147483647;test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,561 INFO L280 TraceCheckUtils]: 12: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~1); {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,561 INFO L280 TraceCheckUtils]: 13: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet51 && test_#t~nondet51 <= 2147483647;test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,562 INFO L280 TraceCheckUtils]: 14: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,562 INFO L280 TraceCheckUtils]: 15: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,563 INFO L280 TraceCheckUtils]: 16: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,564 INFO L280 TraceCheckUtils]: 17: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {1093#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:18,564 INFO L280 TraceCheckUtils]: 18: Hoare triple {1093#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_#t~ret48, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {1094#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:59:18,565 INFO L280 TraceCheckUtils]: 19: Hoare triple {1094#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification2_spec__2_#t~ret47 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret47 && __utac_acc__Specification2_spec__2_#t~ret47 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; {1095#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4)} is VALID [2020-07-28 18:59:18,566 INFO L280 TraceCheckUtils]: 20: Hoare triple {1095#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {1092#false} is VALID [2020-07-28 18:59:18,566 INFO L280 TraceCheckUtils]: 21: Hoare triple {1092#false} __utac_acc__Specification2_spec__2_#t~ret48 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret48 && __utac_acc__Specification2_spec__2_#t~ret48 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret48;havoc __utac_acc__Specification2_spec__2_#t~ret48; {1092#false} is VALID [2020-07-28 18:59:18,566 INFO L280 TraceCheckUtils]: 22: Hoare triple {1092#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {1092#false} is VALID [2020-07-28 18:59:18,567 INFO L280 TraceCheckUtils]: 23: Hoare triple {1092#false} assume 0 != ~methAndRunningLastTime~0; {1092#false} is VALID [2020-07-28 18:59:18,567 INFO L280 TraceCheckUtils]: 24: Hoare triple {1092#false} assume !false; {1092#false} is VALID [2020-07-28 18:59:18,568 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 18:59:18,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580954327] [2020-07-28 18:59:18,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:18,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:18,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167193683] [2020-07-28 18:59:18,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:18,570 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:18,570 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:18,609 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:18,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:18,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:18,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:18,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:18,610 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand 5 states. [2020-07-28 18:59:19,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:19,441 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2020-07-28 18:59:19,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:59:19,441 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:19,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:19,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:19,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-28 18:59:19,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:19,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-28 18:59:19,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 228 transitions. [2020-07-28 18:59:19,739 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 228 edges. 228 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:19,753 INFO L225 Difference]: With dead ends: 242 [2020-07-28 18:59:19,754 INFO L226 Difference]: Without dead ends: 194 [2020-07-28 18:59:19,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:59:19,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-07-28 18:59:19,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2020-07-28 18:59:19,892 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:19,892 INFO L82 GeneralOperation]: Start isEquivalent. First operand 194 states. Second operand 95 states. [2020-07-28 18:59:19,893 INFO L74 IsIncluded]: Start isIncluded. First operand 194 states. Second operand 95 states. [2020-07-28 18:59:19,893 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 95 states. [2020-07-28 18:59:19,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:19,903 INFO L93 Difference]: Finished difference Result 194 states and 294 transitions. [2020-07-28 18:59:19,903 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 294 transitions. [2020-07-28 18:59:19,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:19,911 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:19,911 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand 194 states. [2020-07-28 18:59:19,911 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 194 states. [2020-07-28 18:59:19,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:19,920 INFO L93 Difference]: Finished difference Result 194 states and 294 transitions. [2020-07-28 18:59:19,921 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 294 transitions. [2020-07-28 18:59:19,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:19,922 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:19,922 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:19,922 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-28 18:59:19,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2020-07-28 18:59:19,926 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2020-07-28 18:59:19,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:19,927 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2020-07-28 18:59:19,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:19,927 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2020-07-28 18:59:19,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:59:19,929 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:19,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:19,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:59:19,931 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:19,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:19,931 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2020-07-28 18:59:19,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:19,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528288073] [2020-07-28 18:59:19,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:20,038 INFO L280 TraceCheckUtils]: 0: Hoare triple {1977#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,039 INFO L280 TraceCheckUtils]: 1: Hoare triple {1979#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,040 INFO L280 TraceCheckUtils]: 2: Hoare triple {1979#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,040 INFO L280 TraceCheckUtils]: 3: Hoare triple {1979#(= 0 ~pumpRunning~0)} main_#t~ret0 := valid_product_#res;assume -2147483648 <= main_#t~ret0 && main_#t~ret0 <= 2147483647;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,041 INFO L280 TraceCheckUtils]: 4: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,042 INFO L280 TraceCheckUtils]: 5: Hoare triple {1979#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,043 INFO L280 TraceCheckUtils]: 6: Hoare triple {1979#(= 0 ~pumpRunning~0)} havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,044 INFO L280 TraceCheckUtils]: 7: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume !false; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,045 INFO L280 TraceCheckUtils]: 8: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,046 INFO L280 TraceCheckUtils]: 9: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet49 && test_#t~nondet49 <= 2147483647;test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,046 INFO L280 TraceCheckUtils]: 10: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~5); {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,047 INFO L280 TraceCheckUtils]: 11: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet50 && test_#t~nondet50 <= 2147483647;test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,048 INFO L280 TraceCheckUtils]: 12: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~1; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,049 INFO L280 TraceCheckUtils]: 13: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,050 INFO L280 TraceCheckUtils]: 14: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet51 && test_#t~nondet51 <= 2147483647;test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,050 INFO L280 TraceCheckUtils]: 15: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,051 INFO L280 TraceCheckUtils]: 16: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,052 INFO L280 TraceCheckUtils]: 17: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,053 INFO L280 TraceCheckUtils]: 18: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,053 INFO L280 TraceCheckUtils]: 19: Hoare triple {1979#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_#t~ret48, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,054 INFO L280 TraceCheckUtils]: 20: Hoare triple {1979#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret47 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret47 && __utac_acc__Specification2_spec__2_#t~ret47 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; {1979#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:20,055 INFO L280 TraceCheckUtils]: 21: Hoare triple {1979#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {1980#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:59:20,056 INFO L280 TraceCheckUtils]: 22: Hoare triple {1980#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret48 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret48 && __utac_acc__Specification2_spec__2_#t~ret48 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret48;havoc __utac_acc__Specification2_spec__2_#t~ret48; {1981#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~0)} is VALID [2020-07-28 18:59:20,057 INFO L280 TraceCheckUtils]: 23: Hoare triple {1981#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {1978#false} is VALID [2020-07-28 18:59:20,057 INFO L280 TraceCheckUtils]: 24: Hoare triple {1978#false} assume 0 != ~methAndRunningLastTime~0; {1978#false} is VALID [2020-07-28 18:59:20,058 INFO L280 TraceCheckUtils]: 25: Hoare triple {1978#false} assume !false; {1978#false} is VALID [2020-07-28 18:59:20,059 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 18:59:20,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528288073] [2020-07-28 18:59:20,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:20,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:20,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124550325] [2020-07-28 18:59:20,061 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:59:20,061 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:20,061 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:20,099 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:20,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:20,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:20,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:20,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:20,100 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand 5 states. [2020-07-28 18:59:20,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:20,898 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2020-07-28 18:59:20,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:20,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:59:20,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:20,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:20,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2020-07-28 18:59:20,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2020-07-28 18:59:20,906 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 139 transitions. [2020-07-28 18:59:21,076 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 139 edges. 139 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:21,077 INFO L225 Difference]: With dead ends: 285 [2020-07-28 18:59:21,077 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:59:21,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:59:21,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:59:21,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:59:21,080 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:21,080 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:21,080 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:21,081 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:21,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:21,081 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:21,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:21,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:21,081 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:21,081 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:21,082 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:21,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:21,082 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:21,082 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:21,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:21,082 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:21,082 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:21,083 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:21,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:59:21,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:59:21,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-07-28 18:59:21,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:21,083 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:59:21,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:21,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:21,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:21,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:59:21,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:59:21,742 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2020-07-28 18:59:21,742 INFO L268 CegarLoopResult]: For program point L663(lines 663 669) no Hoare annotation was computed. [2020-07-28 18:59:21,742 INFO L268 CegarLoopResult]: For program point L663-2(lines 663 669) no Hoare annotation was computed. [2020-07-28 18:59:21,743 INFO L268 CegarLoopResult]: For program point L663-4(lines 663 669) no Hoare annotation was computed. [2020-07-28 18:59:21,743 INFO L264 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2020-07-28 18:59:21,743 INFO L264 CegarLoopResult]: At program point L845(lines 840 848) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 18:59:21,743 INFO L264 CegarLoopResult]: At program point L845-1(lines 840 848) the Hoare annotation is: false [2020-07-28 18:59:21,743 INFO L264 CegarLoopResult]: At program point L845-2(lines 840 848) the Hoare annotation is: false [2020-07-28 18:59:21,743 INFO L264 CegarLoopResult]: At program point L647(lines 642 649) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 18:59:21,743 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:59:21,744 INFO L268 CegarLoopResult]: For program point L796(lines 796 804) no Hoare annotation was computed. [2020-07-28 18:59:21,744 INFO L268 CegarLoopResult]: For program point L796-1(lines 796 804) no Hoare annotation was computed. [2020-07-28 18:59:21,746 INFO L268 CegarLoopResult]: For program point L730(lines 730 736) no Hoare annotation was computed. [2020-07-28 18:59:21,747 INFO L268 CegarLoopResult]: For program point L796-2(lines 796 804) no Hoare annotation was computed. [2020-07-28 18:59:21,747 INFO L264 CegarLoopResult]: At program point L730-1(lines 760 766) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 18:59:21,747 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-28 18:59:21,748 INFO L264 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 18:59:21,748 INFO L268 CegarLoopResult]: For program point L600(line 600) no Hoare annotation was computed. [2020-07-28 18:59:21,750 INFO L268 CegarLoopResult]: For program point L600-1(line 600) no Hoare annotation was computed. [2020-07-28 18:59:21,751 INFO L268 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-07-28 18:59:21,751 INFO L268 CegarLoopResult]: For program point L600-2(line 600) no Hoare annotation was computed. [2020-07-28 18:59:21,751 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-28 18:59:21,752 INFO L268 CegarLoopResult]: For program point L56-1(lines 760 766) no Hoare annotation was computed. [2020-07-28 18:59:21,752 INFO L264 CegarLoopResult]: At program point L767(lines 767 773) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 18:59:21,752 INFO L264 CegarLoopResult]: At program point L767-1(lines 767 773) the Hoare annotation is: false [2020-07-28 18:59:21,752 INFO L264 CegarLoopResult]: At program point L767-2(lines 767 773) the Hoare annotation is: false [2020-07-28 18:59:21,753 INFO L264 CegarLoopResult]: At program point L635(lines 630 638) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:21,753 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:59:21,753 INFO L268 CegarLoopResult]: For program point L702(lines 702 708) no Hoare annotation was computed. [2020-07-28 18:59:21,754 INFO L264 CegarLoopResult]: At program point L702-1(lines 702 708) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 18:59:21,756 INFO L271 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-07-28 18:59:21,757 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2020-07-28 18:59:21,757 INFO L268 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2020-07-28 18:59:21,757 INFO L268 CegarLoopResult]: For program point L522-3(lines 522 526) no Hoare annotation was computed. [2020-07-28 18:59:21,758 INFO L264 CegarLoopResult]: At program point L836(lines 829 839) the Hoare annotation is: false [2020-07-28 18:59:21,758 INFO L268 CegarLoopResult]: For program point L522-6(lines 522 526) no Hoare annotation was computed. [2020-07-28 18:59:21,758 INFO L264 CegarLoopResult]: At program point L836-1(lines 829 839) the Hoare annotation is: false [2020-07-28 18:59:21,758 INFO L264 CegarLoopResult]: At program point L836-2(lines 829 839) the Hoare annotation is: false [2020-07-28 18:59:21,759 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:59:21,759 INFO L268 CegarLoopResult]: For program point L722(lines 722 737) no Hoare annotation was computed. [2020-07-28 18:59:21,759 INFO L268 CegarLoopResult]: For program point L889(lines 889 895) no Hoare annotation was computed. [2020-07-28 18:59:21,759 INFO L264 CegarLoopResult]: At program point L889-1(lines 889 895) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 18:59:21,760 INFO L268 CegarLoopResult]: For program point L658(lines 658 675) no Hoare annotation was computed. [2020-07-28 18:59:21,760 INFO L264 CegarLoopResult]: At program point L658-1(lines 1 907) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 18:59:21,760 INFO L268 CegarLoopResult]: For program point L658-2(lines 658 675) no Hoare annotation was computed. [2020-07-28 18:59:21,761 INFO L264 CegarLoopResult]: At program point L559(lines 554 562) the Hoare annotation is: false [2020-07-28 18:59:21,761 INFO L264 CegarLoopResult]: At program point L658-3(lines 1 907) the Hoare annotation is: false [2020-07-28 18:59:21,761 INFO L264 CegarLoopResult]: At program point L559-1(lines 554 562) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 18:59:21,763 INFO L268 CegarLoopResult]: For program point L658-4(lines 658 675) no Hoare annotation was computed. [2020-07-28 18:59:21,763 INFO L264 CegarLoopResult]: At program point L559-2(lines 554 562) the Hoare annotation is: false [2020-07-28 18:59:21,763 INFO L264 CegarLoopResult]: At program point L658-5(lines 1 907) the Hoare annotation is: false [2020-07-28 18:59:21,764 INFO L264 CegarLoopResult]: At program point L559-3(lines 554 562) the Hoare annotation is: false [2020-07-28 18:59:21,764 INFO L264 CegarLoopResult]: At program point L559-4(lines 554 562) the Hoare annotation is: false [2020-07-28 18:59:21,764 INFO L264 CegarLoopResult]: At program point L559-5(lines 554 562) the Hoare annotation is: false [2020-07-28 18:59:21,764 INFO L264 CegarLoopResult]: At program point L742(lines 691 743) the Hoare annotation is: false [2020-07-28 18:59:21,765 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:59:21,765 INFO L268 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-07-28 18:59:21,765 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2020-07-28 18:59:21,766 INFO L268 CegarLoopResult]: For program point L792-1(lines 792 809) no Hoare annotation was computed. [2020-07-28 18:59:21,766 INFO L268 CegarLoopResult]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2020-07-28 18:59:21,766 INFO L268 CegarLoopResult]: For program point L693(lines 692 741) no Hoare annotation was computed. [2020-07-28 18:59:21,766 INFO L264 CegarLoopResult]: At program point L627(lines 1 907) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:21,768 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-07-28 18:59:21,768 INFO L271 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-07-28 18:59:21,770 INFO L264 CegarLoopResult]: At program point L760(lines 759 778) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 18:59:21,770 INFO L268 CegarLoopResult]: For program point L760-1(lines 760 766) no Hoare annotation was computed. [2020-07-28 18:59:21,770 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-07-28 18:59:21,771 INFO L264 CegarLoopResult]: At program point L760-2(lines 759 778) the Hoare annotation is: false [2020-07-28 18:59:21,771 INFO L264 CegarLoopResult]: At program point L760-3(lines 759 778) the Hoare annotation is: false [2020-07-28 18:59:21,771 INFO L268 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2020-07-28 18:59:21,772 INFO L268 CegarLoopResult]: For program point L662(lines 662 672) no Hoare annotation was computed. [2020-07-28 18:59:21,775 INFO L268 CegarLoopResult]: For program point L662-2(lines 662 672) no Hoare annotation was computed. [2020-07-28 18:59:21,775 INFO L268 CegarLoopResult]: For program point L662-4(lines 662 672) no Hoare annotation was computed. [2020-07-28 18:59:21,776 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-07-28 18:59:21,777 INFO L264 CegarLoopResult]: At program point L712-1(lines 712 718) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~0)) [2020-07-28 18:59:21,783 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:59:21,784 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:59:21,789 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 18:59:21,790 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 18:59:21,790 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 18:59:21,792 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:21,793 WARN L170 areAnnotationChecker]: L693 has no Hoare annotation [2020-07-28 18:59:21,793 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:21,793 WARN L170 areAnnotationChecker]: L760-1 has no Hoare annotation [2020-07-28 18:59:21,793 WARN L170 areAnnotationChecker]: L693 has no Hoare annotation [2020-07-28 18:59:21,793 WARN L170 areAnnotationChecker]: L693 has no Hoare annotation [2020-07-28 18:59:21,794 WARN L170 areAnnotationChecker]: L760-1 has no Hoare annotation [2020-07-28 18:59:21,794 WARN L170 areAnnotationChecker]: L760-1 has no Hoare annotation [2020-07-28 18:59:21,794 WARN L170 areAnnotationChecker]: L694 has no Hoare annotation [2020-07-28 18:59:21,794 WARN L170 areAnnotationChecker]: L522-3 has no Hoare annotation [2020-07-28 18:59:21,794 WARN L170 areAnnotationChecker]: L522-3 has no Hoare annotation [2020-07-28 18:59:21,794 WARN L170 areAnnotationChecker]: L792-1 has no Hoare annotation [2020-07-28 18:59:21,795 WARN L170 areAnnotationChecker]: L702 has no Hoare annotation [2020-07-28 18:59:21,795 WARN L170 areAnnotationChecker]: L702 has no Hoare annotation [2020-07-28 18:59:21,795 WARN L170 areAnnotationChecker]: L792-1 has no Hoare annotation [2020-07-28 18:59:21,795 WARN L170 areAnnotationChecker]: L792-1 has no Hoare annotation [2020-07-28 18:59:21,795 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-28 18:59:21,795 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-28 18:59:21,796 WARN L170 areAnnotationChecker]: L712 has no Hoare annotation [2020-07-28 18:59:21,796 WARN L170 areAnnotationChecker]: L658-2 has no Hoare annotation [2020-07-28 18:59:21,796 WARN L170 areAnnotationChecker]: L712 has no Hoare annotation [2020-07-28 18:59:21,797 WARN L170 areAnnotationChecker]: L712 has no Hoare annotation [2020-07-28 18:59:21,797 WARN L170 areAnnotationChecker]: L796-1 has no Hoare annotation [2020-07-28 18:59:21,797 WARN L170 areAnnotationChecker]: L658-2 has no Hoare annotation [2020-07-28 18:59:21,797 WARN L170 areAnnotationChecker]: L658-2 has no Hoare annotation [2020-07-28 18:59:21,798 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-28 18:59:21,798 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-28 18:59:21,798 WARN L170 areAnnotationChecker]: L722 has no Hoare annotation [2020-07-28 18:59:21,798 WARN L170 areAnnotationChecker]: L796-1 has no Hoare annotation [2020-07-28 18:59:21,799 WARN L170 areAnnotationChecker]: L796-1 has no Hoare annotation [2020-07-28 18:59:21,799 WARN L170 areAnnotationChecker]: L662-2 has no Hoare annotation [2020-07-28 18:59:21,799 WARN L170 areAnnotationChecker]: L722 has no Hoare annotation [2020-07-28 18:59:21,799 WARN L170 areAnnotationChecker]: L722 has no Hoare annotation [2020-07-28 18:59:21,799 WARN L170 areAnnotationChecker]: L662-2 has no Hoare annotation [2020-07-28 18:59:21,799 WARN L170 areAnnotationChecker]: L662-2 has no Hoare annotation [2020-07-28 18:59:21,800 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:59:21,800 WARN L170 areAnnotationChecker]: L522 has no Hoare annotation [2020-07-28 18:59:21,802 WARN L170 areAnnotationChecker]: L730 has no Hoare annotation [2020-07-28 18:59:21,802 WARN L170 areAnnotationChecker]: L730 has no Hoare annotation [2020-07-28 18:59:21,802 WARN L170 areAnnotationChecker]: L663-2 has no Hoare annotation [2020-07-28 18:59:21,802 WARN L170 areAnnotationChecker]: L663-2 has no Hoare annotation [2020-07-28 18:59:21,802 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:59:21,803 WARN L170 areAnnotationChecker]: L522 has no Hoare annotation [2020-07-28 18:59:21,803 WARN L170 areAnnotationChecker]: L522 has no Hoare annotation [2020-07-28 18:59:21,803 WARN L170 areAnnotationChecker]: L792 has no Hoare annotation [2020-07-28 18:59:21,804 WARN L170 areAnnotationChecker]: L889 has no Hoare annotation [2020-07-28 18:59:21,805 WARN L170 areAnnotationChecker]: L889 has no Hoare annotation [2020-07-28 18:59:21,805 WARN L170 areAnnotationChecker]: L600-1 has no Hoare annotation [2020-07-28 18:59:21,805 WARN L170 areAnnotationChecker]: L600-1 has no Hoare annotation [2020-07-28 18:59:21,805 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:59:21,806 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:59:21,806 WARN L170 areAnnotationChecker]: L792 has no Hoare annotation [2020-07-28 18:59:21,806 WARN L170 areAnnotationChecker]: L792 has no Hoare annotation [2020-07-28 18:59:21,808 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 18:59:21,808 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-28 18:59:21,808 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-28 18:59:21,808 WARN L170 areAnnotationChecker]: L522-6 has no Hoare annotation [2020-07-28 18:59:21,808 WARN L170 areAnnotationChecker]: L522-6 has no Hoare annotation [2020-07-28 18:59:21,809 WARN L170 areAnnotationChecker]: L792-2 has no Hoare annotation [2020-07-28 18:59:21,809 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 18:59:21,809 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-28 18:59:21,809 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-28 18:59:21,809 WARN L170 areAnnotationChecker]: L792-2 has no Hoare annotation [2020-07-28 18:59:21,809 WARN L170 areAnnotationChecker]: L792-2 has no Hoare annotation [2020-07-28 18:59:21,810 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 18:59:21,810 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 18:59:21,810 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-28 18:59:21,810 WARN L170 areAnnotationChecker]: L658-4 has no Hoare annotation [2020-07-28 18:59:21,811 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-28 18:59:21,811 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-28 18:59:21,811 WARN L170 areAnnotationChecker]: L796-2 has no Hoare annotation [2020-07-28 18:59:21,811 WARN L170 areAnnotationChecker]: L658-4 has no Hoare annotation [2020-07-28 18:59:21,812 WARN L170 areAnnotationChecker]: L658-4 has no Hoare annotation [2020-07-28 18:59:21,812 WARN L170 areAnnotationChecker]: L663 has no Hoare annotation [2020-07-28 18:59:21,812 WARN L170 areAnnotationChecker]: L663 has no Hoare annotation [2020-07-28 18:59:21,812 WARN L170 areAnnotationChecker]: L796-2 has no Hoare annotation [2020-07-28 18:59:21,812 WARN L170 areAnnotationChecker]: L796-2 has no Hoare annotation [2020-07-28 18:59:21,812 WARN L170 areAnnotationChecker]: L662-4 has no Hoare annotation [2020-07-28 18:59:21,813 WARN L170 areAnnotationChecker]: L600 has no Hoare annotation [2020-07-28 18:59:21,813 WARN L170 areAnnotationChecker]: L600 has no Hoare annotation [2020-07-28 18:59:21,815 WARN L170 areAnnotationChecker]: L662-4 has no Hoare annotation [2020-07-28 18:59:21,816 WARN L170 areAnnotationChecker]: L662-4 has no Hoare annotation [2020-07-28 18:59:21,816 WARN L170 areAnnotationChecker]: L663-4 has no Hoare annotation [2020-07-28 18:59:21,816 WARN L170 areAnnotationChecker]: L663-4 has no Hoare annotation [2020-07-28 18:59:21,816 WARN L170 areAnnotationChecker]: L600-2 has no Hoare annotation [2020-07-28 18:59:21,817 WARN L170 areAnnotationChecker]: L600-2 has no Hoare annotation [2020-07-28 18:59:21,817 INFO L163 areAnnotationChecker]: CFG has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:59:21,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:59:21 BoogieIcfgContainer [2020-07-28 18:59:21,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:59:21,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:59:21,871 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:59:21,871 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:59:21,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:15" (3/4) ... [2020-07-28 18:59:21,877 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:59:21,909 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:59:21,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:59:21,911 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:59:21,912 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:59:21,913 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:59:21,913 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:21,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:21,967 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == methaneLevelCritical && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning [2020-07-28 18:59:21,967 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp [2020-07-28 18:59:21,968 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp [2020-07-28 18:59:21,968 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp [2020-07-28 18:59:21,970 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp [2020-07-28 18:59:21,971 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp [2020-07-28 18:59:21,972 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp [2020-07-28 18:59:21,973 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp [2020-07-28 18:59:21,973 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp [2020-07-28 18:59:21,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp [2020-07-28 18:59:21,976 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp [2020-07-28 18:59:21,978 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 == \result) && 0 == \result) && 0 == pumpRunning) && 1 == tmp [2020-07-28 18:59:22,099 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:59:22,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:59:22,103 INFO L168 Benchmark]: Toolchain (without parser) took 8743.33 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 323.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 147.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:22,104 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:22,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:22,105 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.42 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:22,106 INFO L168 Benchmark]: Boogie Preprocessor took 51.76 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 18:59:22,106 INFO L168 Benchmark]: RCFGBuilder took 1397.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.8 MB in the end (delta: 144.6 MB). Peak memory consumption was 144.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:22,107 INFO L168 Benchmark]: TraceAbstraction took 6207.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.3 MB). Free memory was 973.8 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:22,107 INFO L168 Benchmark]: Witness Printer took 229.26 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:22,110 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 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 751.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.42 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.76 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 1397.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.8 MB in the end (delta: 144.6 MB). Peak memory consumption was 144.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6207.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.3 MB). Free memory was 973.8 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Witness Printer took 229.26 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 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: 600]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 600]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 600]: 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: 554]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && !(0 == systemActive)) && 0 == pumpRunning - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 == \result) && 0 == \result) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 1 == \result) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 323 SDtfs, 467 SDslu, 325 SDs, 0 SdLazy, 67 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 199 HoareAnnotationTreeSize, 33 FomulaSimplifications, 3598 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 594 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...