./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product26.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_spec5_product26.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 df71f9423988e08c5bf2798ccf3c66e61eefb63f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:05:16,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:05:16,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:05:16,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:05:16,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:05:16,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:05:16,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:05:16,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:05:16,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:05:16,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:05:16,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:05:16,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:05:16,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:05:16,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:05:16,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:05:16,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:05:16,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:05:16,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:05:16,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:05:16,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:05:16,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:05:16,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:05:16,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:05:16,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:05:16,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:05:16,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:05:16,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:05:16,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:05:16,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:05:16,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:05:16,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:05:16,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:05:16,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:05:16,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:05:16,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:05:16,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:05:16,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:05:16,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:05:16,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:05:16,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:05:16,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:05:16,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:05:16,259 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:05:16,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:05:16,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:05:16,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:05:16,261 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:05:16,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:05:16,261 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:05:16,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:05:16,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:05:16,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:05:16,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:05:16,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:05:16,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:05:16,263 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:05:16,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:05:16,263 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:05:16,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:05:16,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:05:16,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:05:16,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:05:16,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:05:16,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:05:16,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:05:16,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:05:16,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:05:16,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:05:16,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:05:16,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:05:16,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:05:16,266 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 -> df71f9423988e08c5bf2798ccf3c66e61eefb63f [2020-07-28 19:05:16,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:05:16,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:05:16,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:05:16,574 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:05:16,574 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:05:16,575 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c [2020-07-28 19:05:16,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/591ffdbfd/cee70fbe4b18416b9be761e81d743304/FLAGd09f4e27e [2020-07-28 19:05:17,199 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:05:17,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c [2020-07-28 19:05:17,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/591ffdbfd/cee70fbe4b18416b9be761e81d743304/FLAGd09f4e27e [2020-07-28 19:05:17,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/591ffdbfd/cee70fbe4b18416b9be761e81d743304 [2020-07-28 19:05:17,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:05:17,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:05:17,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:05:17,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:05:17,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:05:17,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:05:17" (1/1) ... [2020-07-28 19:05:17,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62774497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:17, skipping insertion in model container [2020-07-28 19:05:17,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:05:17" (1/1) ... [2020-07-28 19:05:17,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:05:17,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:05:17,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:05:17,947 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:05:18,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:05:18,124 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:05:18,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:18 WrapperNode [2020-07-28 19:05:18,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:05:18,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:05:18,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:05:18,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:05:18,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:18" (1/1) ... [2020-07-28 19:05:18,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:18" (1/1) ... [2020-07-28 19:05:18,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:05:18,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:05:18,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:05:18,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:05:18,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:18" (1/1) ... [2020-07-28 19:05:18,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:18" (1/1) ... [2020-07-28 19:05:18,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:18" (1/1) ... [2020-07-28 19:05:18,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:18" (1/1) ... [2020-07-28 19:05:18,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:18" (1/1) ... [2020-07-28 19:05:18,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:18" (1/1) ... [2020-07-28 19:05:18,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:18" (1/1) ... [2020-07-28 19:05:18,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:05:18,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:05:18,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:05:18,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:05:18,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:05:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:05:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:05:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:05:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:05:19,634 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:05:19,634 INFO L295 CfgBuilder]: Removed 112 assume(true) statements. [2020-07-28 19:05:19,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:05:19 BoogieIcfgContainer [2020-07-28 19:05:19,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:05:19,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:05:19,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:05:19,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:05:19,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:05:17" (1/3) ... [2020-07-28 19:05:19,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1822aa9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:05:19, skipping insertion in model container [2020-07-28 19:05:19,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:05:18" (2/3) ... [2020-07-28 19:05:19,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1822aa9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:05:19, skipping insertion in model container [2020-07-28 19:05:19,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:05:19" (3/3) ... [2020-07-28 19:05:19,648 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product26.cil.c [2020-07-28 19:05:19,658 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:05:19,666 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:05:19,678 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:05:19,702 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:05:19,703 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:05:19,703 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:05:19,703 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:05:19,704 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:05:19,704 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:05:19,704 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:05:19,705 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:05:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2020-07-28 19:05:19,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:05:19,728 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:19,729 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 19:05:19,729 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:19,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:19,734 INFO L82 PathProgramCache]: Analyzing trace with hash -824602877, now seen corresponding path program 1 times [2020-07-28 19:05:19,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:19,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898774659] [2020-07-28 19:05:19,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:20,030 INFO L280 TraceCheckUtils]: 0: Hoare triple {87#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~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(21);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(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; {87#true} is VALID [2020-07-28 19:05:20,031 INFO L280 TraceCheckUtils]: 1: Hoare triple {87#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {87#true} is VALID [2020-07-28 19:05:20,032 INFO L280 TraceCheckUtils]: 2: Hoare triple {87#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {87#true} is VALID [2020-07-28 19:05:20,032 INFO L280 TraceCheckUtils]: 3: Hoare triple {87#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {87#true} is VALID [2020-07-28 19:05:20,032 INFO L280 TraceCheckUtils]: 4: Hoare triple {87#true} assume 0 != main_~tmp~7; {87#true} is VALID [2020-07-28 19:05:20,033 INFO L280 TraceCheckUtils]: 5: Hoare triple {87#true} ~switchedOnBeforeTS~0 := 0; {87#true} is VALID [2020-07-28 19:05:20,034 INFO L280 TraceCheckUtils]: 6: Hoare triple {87#true} havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {87#true} is VALID [2020-07-28 19:05:20,035 INFO L280 TraceCheckUtils]: 7: Hoare triple {87#true} assume false; {88#false} is VALID [2020-07-28 19:05:20,035 INFO L280 TraceCheckUtils]: 8: Hoare triple {88#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0;havoc __utac_acc__Specification5_spec__2_#t~ret71;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {88#false} is VALID [2020-07-28 19:05:20,036 INFO L280 TraceCheckUtils]: 9: Hoare triple {88#false} __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret71 && __utac_acc__Specification5_spec__2_#t~ret71 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; {88#false} is VALID [2020-07-28 19:05:20,036 INFO L280 TraceCheckUtils]: 10: Hoare triple {88#false} assume !(0 != ~pumpRunning~0); {88#false} is VALID [2020-07-28 19:05:20,037 INFO L280 TraceCheckUtils]: 11: Hoare triple {88#false} assume !(0 != ~systemActive~0); {88#false} is VALID [2020-07-28 19:05:20,037 INFO L280 TraceCheckUtils]: 12: Hoare triple {88#false} havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {88#false} is VALID [2020-07-28 19:05:20,038 INFO L280 TraceCheckUtils]: 13: Hoare triple {88#false} __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {88#false} is VALID [2020-07-28 19:05:20,038 INFO L280 TraceCheckUtils]: 14: Hoare triple {88#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {88#false} is VALID [2020-07-28 19:05:20,038 INFO L280 TraceCheckUtils]: 15: Hoare triple {88#false} __utac_acc__Specification5_spec__3_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret73 && __utac_acc__Specification5_spec__3_#t~ret73 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; {88#false} is VALID [2020-07-28 19:05:20,039 INFO L280 TraceCheckUtils]: 16: Hoare triple {88#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {88#false} is VALID [2020-07-28 19:05:20,039 INFO L280 TraceCheckUtils]: 17: Hoare triple {88#false} assume 0 == ~switchedOnBeforeTS~0; {88#false} is VALID [2020-07-28 19:05:20,039 INFO L280 TraceCheckUtils]: 18: Hoare triple {88#false} assume !false; {88#false} is VALID [2020-07-28 19:05:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:05:20,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898774659] [2020-07-28 19:05:20,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:20,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:05:20,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117147372] [2020-07-28 19:05:20,052 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-07-28 19:05:20,053 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:20,057 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:05:20,100 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 19:05:20,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:05:20,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:20,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:05:20,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:05:20,113 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2020-07-28 19:05:20,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:20,329 INFO L93 Difference]: Finished difference Result 161 states and 238 transitions. [2020-07-28 19:05:20,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:05:20,330 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-07-28 19:05:20,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:20,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:05:20,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 238 transitions. [2020-07-28 19:05:20,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:05:20,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 238 transitions. [2020-07-28 19:05:20,347 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 238 transitions. [2020-07-28 19:05:20,650 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 238 edges. 238 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:20,663 INFO L225 Difference]: With dead ends: 161 [2020-07-28 19:05:20,663 INFO L226 Difference]: Without dead ends: 80 [2020-07-28 19:05:20,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:05:20,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-07-28 19:05:20,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-07-28 19:05:20,721 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:20,722 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand 80 states. [2020-07-28 19:05:20,722 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2020-07-28 19:05:20,723 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2020-07-28 19:05:20,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:20,729 INFO L93 Difference]: Finished difference Result 80 states and 111 transitions. [2020-07-28 19:05:20,729 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2020-07-28 19:05:20,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:20,730 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:20,731 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2020-07-28 19:05:20,731 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2020-07-28 19:05:20,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:20,736 INFO L93 Difference]: Finished difference Result 80 states and 111 transitions. [2020-07-28 19:05:20,737 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2020-07-28 19:05:20,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:20,738 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:20,738 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:20,738 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-07-28 19:05:20,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 111 transitions. [2020-07-28 19:05:20,744 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 111 transitions. Word has length 19 [2020-07-28 19:05:20,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:20,745 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 111 transitions. [2020-07-28 19:05:20,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:05:20,745 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2020-07-28 19:05:20,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-28 19:05:20,746 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:20,746 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] [2020-07-28 19:05:20,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:05:20,747 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:20,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:20,748 INFO L82 PathProgramCache]: Analyzing trace with hash 981416676, now seen corresponding path program 1 times [2020-07-28 19:05:20,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:20,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380217930] [2020-07-28 19:05:20,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:20,886 INFO L280 TraceCheckUtils]: 0: Hoare triple {600#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~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(21);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(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; {600#true} is VALID [2020-07-28 19:05:20,887 INFO L280 TraceCheckUtils]: 1: Hoare triple {600#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {600#true} is VALID [2020-07-28 19:05:20,887 INFO L280 TraceCheckUtils]: 2: Hoare triple {600#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {600#true} is VALID [2020-07-28 19:05:20,888 INFO L280 TraceCheckUtils]: 3: Hoare triple {600#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {600#true} is VALID [2020-07-28 19:05:20,888 INFO L280 TraceCheckUtils]: 4: Hoare triple {600#true} assume 0 != main_~tmp~7; {600#true} is VALID [2020-07-28 19:05:20,888 INFO L280 TraceCheckUtils]: 5: Hoare triple {600#true} ~switchedOnBeforeTS~0 := 0; {600#true} is VALID [2020-07-28 19:05:20,889 INFO L280 TraceCheckUtils]: 6: Hoare triple {600#true} havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {602#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:05:20,890 INFO L280 TraceCheckUtils]: 7: Hoare triple {602#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {602#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:05:20,891 INFO L280 TraceCheckUtils]: 8: Hoare triple {602#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {601#false} is VALID [2020-07-28 19:05:20,892 INFO L280 TraceCheckUtils]: 9: Hoare triple {601#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0;havoc __utac_acc__Specification5_spec__2_#t~ret71;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {601#false} is VALID [2020-07-28 19:05:20,892 INFO L280 TraceCheckUtils]: 10: Hoare triple {601#false} __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret71 && __utac_acc__Specification5_spec__2_#t~ret71 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; {601#false} is VALID [2020-07-28 19:05:20,892 INFO L280 TraceCheckUtils]: 11: Hoare triple {601#false} assume !(0 != ~pumpRunning~0); {601#false} is VALID [2020-07-28 19:05:20,893 INFO L280 TraceCheckUtils]: 12: Hoare triple {601#false} assume !(0 != ~systemActive~0); {601#false} is VALID [2020-07-28 19:05:20,893 INFO L280 TraceCheckUtils]: 13: Hoare triple {601#false} havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {601#false} is VALID [2020-07-28 19:05:20,894 INFO L280 TraceCheckUtils]: 14: Hoare triple {601#false} __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {601#false} is VALID [2020-07-28 19:05:20,894 INFO L280 TraceCheckUtils]: 15: Hoare triple {601#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {601#false} is VALID [2020-07-28 19:05:20,894 INFO L280 TraceCheckUtils]: 16: Hoare triple {601#false} __utac_acc__Specification5_spec__3_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret73 && __utac_acc__Specification5_spec__3_#t~ret73 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; {601#false} is VALID [2020-07-28 19:05:20,895 INFO L280 TraceCheckUtils]: 17: Hoare triple {601#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {601#false} is VALID [2020-07-28 19:05:20,895 INFO L280 TraceCheckUtils]: 18: Hoare triple {601#false} assume 0 == ~switchedOnBeforeTS~0; {601#false} is VALID [2020-07-28 19:05:20,895 INFO L280 TraceCheckUtils]: 19: Hoare triple {601#false} assume !false; {601#false} is VALID [2020-07-28 19:05:20,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:05:20,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380217930] [2020-07-28 19:05:20,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:20,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:05:20,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480276117] [2020-07-28 19:05:20,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-28 19:05:20,901 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:20,901 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:20,932 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:20,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:20,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:20,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:20,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:20,934 INFO L87 Difference]: Start difference. First operand 80 states and 111 transitions. Second operand 3 states. [2020-07-28 19:05:21,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:21,185 INFO L93 Difference]: Finished difference Result 80 states and 111 transitions. [2020-07-28 19:05:21,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:21,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-28 19:05:21,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:21,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:21,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 111 transitions. [2020-07-28 19:05:21,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:21,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 111 transitions. [2020-07-28 19:05:21,198 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 111 transitions. [2020-07-28 19:05:21,359 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:21,361 INFO L225 Difference]: With dead ends: 80 [2020-07-28 19:05:21,361 INFO L226 Difference]: Without dead ends: 37 [2020-07-28 19:05:21,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:21,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-28 19:05:21,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-07-28 19:05:21,378 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:21,378 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2020-07-28 19:05:21,379 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 19:05:21,379 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 19:05:21,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:21,381 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-07-28 19:05:21,382 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-07-28 19:05:21,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:21,382 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:21,382 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 19:05:21,383 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 19:05:21,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:21,385 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-07-28 19:05:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-07-28 19:05:21,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:21,386 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:21,386 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:21,387 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-07-28 19:05:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2020-07-28 19:05:21,389 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 20 [2020-07-28 19:05:21,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:21,389 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2020-07-28 19:05:21,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:21,390 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-07-28 19:05:21,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:05:21,391 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:21,391 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 19:05:21,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:05:21,392 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:21,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:21,392 INFO L82 PathProgramCache]: Analyzing trace with hash 606749817, now seen corresponding path program 1 times [2020-07-28 19:05:21,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:21,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095192626] [2020-07-28 19:05:21,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:21,488 INFO L280 TraceCheckUtils]: 0: Hoare triple {848#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~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(21);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(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; {848#true} is VALID [2020-07-28 19:05:21,488 INFO L280 TraceCheckUtils]: 1: Hoare triple {848#true} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {848#true} is VALID [2020-07-28 19:05:21,489 INFO L280 TraceCheckUtils]: 2: Hoare triple {848#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {848#true} is VALID [2020-07-28 19:05:21,489 INFO L280 TraceCheckUtils]: 3: Hoare triple {848#true} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {848#true} is VALID [2020-07-28 19:05:21,490 INFO L280 TraceCheckUtils]: 4: Hoare triple {848#true} assume 0 != main_~tmp~7; {848#true} is VALID [2020-07-28 19:05:21,490 INFO L280 TraceCheckUtils]: 5: Hoare triple {848#true} ~switchedOnBeforeTS~0 := 0; {848#true} is VALID [2020-07-28 19:05:21,490 INFO L280 TraceCheckUtils]: 6: Hoare triple {848#true} havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {848#true} is VALID [2020-07-28 19:05:21,490 INFO L280 TraceCheckUtils]: 7: Hoare triple {848#true} assume !false; {848#true} is VALID [2020-07-28 19:05:21,491 INFO L280 TraceCheckUtils]: 8: Hoare triple {848#true} assume test_~splverifierCounter~0 < 4; {848#true} is VALID [2020-07-28 19:05:21,491 INFO L280 TraceCheckUtils]: 9: Hoare triple {848#true} assume -2147483648 <= test_#t~nondet65 && test_#t~nondet65 <= 2147483647;test_~tmp~6 := test_#t~nondet65;havoc test_#t~nondet65; {848#true} is VALID [2020-07-28 19:05:21,491 INFO L280 TraceCheckUtils]: 10: Hoare triple {848#true} assume !(0 != test_~tmp~6); {848#true} is VALID [2020-07-28 19:05:21,492 INFO L280 TraceCheckUtils]: 11: Hoare triple {848#true} assume -2147483648 <= test_#t~nondet66 && test_#t~nondet66 <= 2147483647;test_~tmp___0~1 := test_#t~nondet66;havoc test_#t~nondet66; {848#true} is VALID [2020-07-28 19:05:21,492 INFO L280 TraceCheckUtils]: 12: Hoare triple {848#true} assume !(0 != test_~tmp___0~1); {848#true} is VALID [2020-07-28 19:05:21,492 INFO L280 TraceCheckUtils]: 13: Hoare triple {848#true} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; {848#true} is VALID [2020-07-28 19:05:21,493 INFO L280 TraceCheckUtils]: 14: Hoare triple {848#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {850#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:21,494 INFO L280 TraceCheckUtils]: 15: Hoare triple {850#(= 1 ~systemActive~0)} havoc __utac_acc__Specification5_spec__2_#t~ret71;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {850#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:21,495 INFO L280 TraceCheckUtils]: 16: Hoare triple {850#(= 1 ~systemActive~0)} __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret71 && __utac_acc__Specification5_spec__2_#t~ret71 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; {850#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:21,496 INFO L280 TraceCheckUtils]: 17: Hoare triple {850#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {850#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:21,497 INFO L280 TraceCheckUtils]: 18: Hoare triple {850#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {849#false} is VALID [2020-07-28 19:05:21,497 INFO L280 TraceCheckUtils]: 19: Hoare triple {849#false} havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {849#false} is VALID [2020-07-28 19:05:21,497 INFO L280 TraceCheckUtils]: 20: Hoare triple {849#false} __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {849#false} is VALID [2020-07-28 19:05:21,498 INFO L280 TraceCheckUtils]: 21: Hoare triple {849#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {849#false} is VALID [2020-07-28 19:05:21,498 INFO L280 TraceCheckUtils]: 22: Hoare triple {849#false} __utac_acc__Specification5_spec__3_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret73 && __utac_acc__Specification5_spec__3_#t~ret73 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; {849#false} is VALID [2020-07-28 19:05:21,498 INFO L280 TraceCheckUtils]: 23: Hoare triple {849#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {849#false} is VALID [2020-07-28 19:05:21,499 INFO L280 TraceCheckUtils]: 24: Hoare triple {849#false} assume 0 == ~switchedOnBeforeTS~0; {849#false} is VALID [2020-07-28 19:05:21,499 INFO L280 TraceCheckUtils]: 25: Hoare triple {849#false} assume !false; {849#false} is VALID [2020-07-28 19:05:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:05:21,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095192626] [2020-07-28 19:05:21,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:21,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:05:21,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143363436] [2020-07-28 19:05:21,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:05:21,502 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:21,502 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:05:21,535 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 19:05:21,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:05:21,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:21,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:05:21,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:21,537 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand 3 states. [2020-07-28 19:05:21,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:21,725 INFO L93 Difference]: Finished difference Result 67 states and 95 transitions. [2020-07-28 19:05:21,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:05:21,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-07-28 19:05:21,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:21,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:21,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 95 transitions. [2020-07-28 19:05:21,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:05:21,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 95 transitions. [2020-07-28 19:05:21,730 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 95 transitions. [2020-07-28 19:05:21,860 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:21,862 INFO L225 Difference]: With dead ends: 67 [2020-07-28 19:05:21,862 INFO L226 Difference]: Without dead ends: 37 [2020-07-28 19:05:21,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:05:21,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-28 19:05:21,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-07-28 19:05:21,895 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:21,896 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2020-07-28 19:05:21,896 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 19:05:21,896 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 19:05:21,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:21,901 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2020-07-28 19:05:21,901 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2020-07-28 19:05:21,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:21,902 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:21,902 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 19:05:21,902 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 19:05:21,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:21,907 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2020-07-28 19:05:21,907 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2020-07-28 19:05:21,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:21,908 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:21,908 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:21,908 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-07-28 19:05:21,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2020-07-28 19:05:21,913 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 26 [2020-07-28 19:05:21,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:21,914 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2020-07-28 19:05:21,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:05:21,915 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2020-07-28 19:05:21,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:05:21,916 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:21,916 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, 1] [2020-07-28 19:05:21,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:05:21,916 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:21,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:21,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1328342523, now seen corresponding path program 1 times [2020-07-28 19:05:21,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:21,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50776599] [2020-07-28 19:05:21,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:22,099 INFO L280 TraceCheckUtils]: 0: Hoare triple {1075#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~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(21);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(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,101 INFO L280 TraceCheckUtils]: 1: Hoare triple {1077#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,102 INFO L280 TraceCheckUtils]: 2: Hoare triple {1077#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,102 INFO L280 TraceCheckUtils]: 3: Hoare triple {1077#(= 0 ~pumpRunning~0)} main_#t~ret70 := valid_product_#res;assume -2147483648 <= main_#t~ret70 && main_#t~ret70 <= 2147483647;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,103 INFO L280 TraceCheckUtils]: 4: Hoare triple {1077#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~7; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,104 INFO L280 TraceCheckUtils]: 5: Hoare triple {1077#(= 0 ~pumpRunning~0)} ~switchedOnBeforeTS~0 := 0; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,107 INFO L280 TraceCheckUtils]: 6: Hoare triple {1077#(= 0 ~pumpRunning~0)} havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,108 INFO L280 TraceCheckUtils]: 7: Hoare triple {1077#(= 0 ~pumpRunning~0)} assume !false; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,109 INFO L280 TraceCheckUtils]: 8: Hoare triple {1077#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,109 INFO L280 TraceCheckUtils]: 9: Hoare triple {1077#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet65 && test_#t~nondet65 <= 2147483647;test_~tmp~6 := test_#t~nondet65;havoc test_#t~nondet65; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,110 INFO L280 TraceCheckUtils]: 10: Hoare triple {1077#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~6); {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,111 INFO L280 TraceCheckUtils]: 11: Hoare triple {1077#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet66 && test_#t~nondet66 <= 2147483647;test_~tmp___0~1 := test_#t~nondet66;havoc test_#t~nondet66; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,114 INFO L280 TraceCheckUtils]: 12: Hoare triple {1077#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,115 INFO L280 TraceCheckUtils]: 13: Hoare triple {1077#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,116 INFO L280 TraceCheckUtils]: 14: Hoare triple {1077#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,117 INFO L280 TraceCheckUtils]: 15: Hoare triple {1077#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__2_#t~ret71;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,117 INFO L280 TraceCheckUtils]: 16: Hoare triple {1077#(= 0 ~pumpRunning~0)} __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret71 && __utac_acc__Specification5_spec__2_#t~ret71 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,118 INFO L280 TraceCheckUtils]: 17: Hoare triple {1077#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,119 INFO L280 TraceCheckUtils]: 18: Hoare triple {1077#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret45, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,120 INFO L280 TraceCheckUtils]: 19: Hoare triple {1077#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,120 INFO L280 TraceCheckUtils]: 20: Hoare triple {1077#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,121 INFO L280 TraceCheckUtils]: 21: Hoare triple {1077#(= 0 ~pumpRunning~0)} __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret72 && __utac_acc__Specification5_spec__3_#t~ret72 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; {1077#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:05:22,122 INFO L280 TraceCheckUtils]: 22: Hoare triple {1077#(= 0 ~pumpRunning~0)} assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {1078#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:05:22,122 INFO L280 TraceCheckUtils]: 23: Hoare triple {1078#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification5_spec__3_#t~ret73 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret73 && __utac_acc__Specification5_spec__3_#t~ret73 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; {1079#(= 0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2)} is VALID [2020-07-28 19:05:22,123 INFO L280 TraceCheckUtils]: 24: Hoare triple {1079#(= 0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2)} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~2; {1076#false} is VALID [2020-07-28 19:05:22,123 INFO L280 TraceCheckUtils]: 25: Hoare triple {1076#false} assume 0 == ~switchedOnBeforeTS~0; {1076#false} is VALID [2020-07-28 19:05:22,124 INFO L280 TraceCheckUtils]: 26: Hoare triple {1076#false} assume !false; {1076#false} is VALID [2020-07-28 19:05:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:05:22,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50776599] [2020-07-28 19:05:22,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:05:22,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:05:22,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390708525] [2020-07-28 19:05:22,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:05:22,127 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:22,127 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:05:22,161 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:22,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:05:22,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:22,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:05:22,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:05:22,163 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand 5 states. [2020-07-28 19:05:22,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:22,572 INFO L93 Difference]: Finished difference Result 87 states and 124 transitions. [2020-07-28 19:05:22,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:05:22,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:05:22,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:22,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:22,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2020-07-28 19:05:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2020-07-28 19:05:22,578 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 124 transitions. [2020-07-28 19:05:22,726 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:22,726 INFO L225 Difference]: With dead ends: 87 [2020-07-28 19:05:22,726 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:05:22,728 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 19:05:22,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:05:22,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:05:22,728 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:22,728 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:22,729 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:22,729 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:22,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:22,729 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:05:22,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:22,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:22,730 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:22,730 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:22,730 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:22,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:22,730 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:05:22,730 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:22,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:22,731 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:22,731 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:22,731 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:05:22,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:05:22,731 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-07-28 19:05:22,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:22,731 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:05:22,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:05:22,732 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:22,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:22,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:05:22,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:05:22,945 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2020-07-28 19:05:22,945 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-07-28 19:05:22,945 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:05:22,945 INFO L268 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2020-07-28 19:05:22,945 INFO L268 CegarLoopResult]: For program point L565(lines 565 573) no Hoare annotation was computed. [2020-07-28 19:05:22,945 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 573) no Hoare annotation was computed. [2020-07-28 19:05:22,945 INFO L268 CegarLoopResult]: For program point L565-2(lines 565 573) no Hoare annotation was computed. [2020-07-28 19:05:22,946 INFO L268 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2020-07-28 19:05:22,946 INFO L268 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2020-07-28 19:05:22,946 INFO L268 CegarLoopResult]: For program point L681(lines 681 685) no Hoare annotation was computed. [2020-07-28 19:05:22,946 INFO L268 CegarLoopResult]: For program point L681-2(lines 681 685) no Hoare annotation was computed. [2020-07-28 19:05:22,946 INFO L268 CegarLoopResult]: For program point L681-3(lines 681 685) no Hoare annotation was computed. [2020-07-28 19:05:22,946 INFO L268 CegarLoopResult]: For program point L681-5(lines 681 685) no Hoare annotation was computed. [2020-07-28 19:05:22,946 INFO L268 CegarLoopResult]: For program point L681-6(lines 681 685) no Hoare annotation was computed. [2020-07-28 19:05:22,946 INFO L268 CegarLoopResult]: For program point L681-8(lines 681 685) no Hoare annotation was computed. [2020-07-28 19:05:22,946 INFO L268 CegarLoopResult]: For program point L731(lines 731 737) no Hoare annotation was computed. [2020-07-28 19:05:22,947 INFO L264 CegarLoopResult]: At program point L731-1(lines 731 737) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,947 INFO L264 CegarLoopResult]: At program point L632(lines 627 635) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,948 INFO L264 CegarLoopResult]: At program point L632-1(lines 627 635) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,948 INFO L264 CegarLoopResult]: At program point L632-2(lines 627 635) the Hoare annotation is: false [2020-07-28 19:05:22,948 INFO L264 CegarLoopResult]: At program point L632-3(lines 627 635) the Hoare annotation is: false [2020-07-28 19:05:22,948 INFO L264 CegarLoopResult]: At program point L632-4(lines 627 635) the Hoare annotation is: false [2020-07-28 19:05:22,949 INFO L264 CegarLoopResult]: At program point L632-5(lines 627 635) the Hoare annotation is: false [2020-07-28 19:05:22,949 INFO L268 CegarLoopResult]: For program point L749(lines 749 753) no Hoare annotation was computed. [2020-07-28 19:05:22,949 INFO L264 CegarLoopResult]: At program point L749-2(lines 749 753) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,949 INFO L268 CegarLoopResult]: For program point L931(lines 931 948) no Hoare annotation was computed. [2020-07-28 19:05:22,949 INFO L264 CegarLoopResult]: At program point L931-1(lines 1 951) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,950 INFO L264 CegarLoopResult]: At program point L865(lines 861 867) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,950 INFO L268 CegarLoopResult]: For program point L931-2(lines 931 948) no Hoare annotation was computed. [2020-07-28 19:05:22,950 INFO L264 CegarLoopResult]: At program point L931-3(lines 1 951) the Hoare annotation is: false [2020-07-28 19:05:22,950 INFO L268 CegarLoopResult]: For program point L931-4(lines 931 948) no Hoare annotation was computed. [2020-07-28 19:05:22,950 INFO L264 CegarLoopResult]: At program point L931-5(lines 1 951) the Hoare annotation is: false [2020-07-28 19:05:22,951 INFO L264 CegarLoopResult]: At program point L122(lines 117 125) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,951 INFO L264 CegarLoopResult]: At program point L122-1(lines 117 125) the Hoare annotation is: false [2020-07-28 19:05:22,951 INFO L264 CegarLoopResult]: At program point L122-2(lines 117 125) the Hoare annotation is: false [2020-07-28 19:05:22,951 INFO L271 CegarLoopResult]: At program point L899(lines 880 902) the Hoare annotation is: true [2020-07-28 19:05:22,951 INFO L264 CegarLoopResult]: At program point L536(lines 536 542) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,952 INFO L264 CegarLoopResult]: At program point L536-1(lines 536 542) the Hoare annotation is: false [2020-07-28 19:05:22,952 INFO L264 CegarLoopResult]: At program point L536-2(lines 536 542) the Hoare annotation is: false [2020-07-28 19:05:22,952 INFO L264 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: false [2020-07-28 19:05:22,952 INFO L264 CegarLoopResult]: At program point L801(lines 796 804) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,952 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:05:22,952 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-07-28 19:05:22,953 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2020-07-28 19:05:22,953 INFO L264 CegarLoopResult]: At program point L687(lines 672 690) the Hoare annotation is: false [2020-07-28 19:05:22,953 INFO L264 CegarLoopResult]: At program point L687-1(lines 672 690) the Hoare annotation is: false [2020-07-28 19:05:22,953 INFO L264 CegarLoopResult]: At program point L687-2(lines 672 690) the Hoare annotation is: false [2020-07-28 19:05:22,953 INFO L268 CegarLoopResult]: For program point L935(lines 935 945) no Hoare annotation was computed. [2020-07-28 19:05:22,954 INFO L268 CegarLoopResult]: For program point L935-2(lines 935 945) no Hoare annotation was computed. [2020-07-28 19:05:22,954 INFO L268 CegarLoopResult]: For program point L935-4(lines 935 945) no Hoare annotation was computed. [2020-07-28 19:05:22,954 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-28 19:05:22,954 INFO L268 CegarLoopResult]: For program point L506-1(line 506) no Hoare annotation was computed. [2020-07-28 19:05:22,954 INFO L268 CegarLoopResult]: For program point L506-2(line 506) no Hoare annotation was computed. [2020-07-28 19:05:22,954 INFO L268 CegarLoopResult]: For program point L721(lines 721 727) no Hoare annotation was computed. [2020-07-28 19:05:22,955 INFO L264 CegarLoopResult]: At program point L721-1(lines 721 727) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,955 INFO L268 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2020-07-28 19:05:22,955 INFO L268 CegarLoopResult]: For program point L936(lines 936 942) no Hoare annotation was computed. [2020-07-28 19:05:22,955 INFO L268 CegarLoopResult]: For program point L936-2(lines 936 942) no Hoare annotation was computed. [2020-07-28 19:05:22,955 INFO L268 CegarLoopResult]: For program point L936-4(lines 936 942) no Hoare annotation was computed. [2020-07-28 19:05:22,956 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:05:22,956 INFO L264 CegarLoopResult]: At program point L920(lines 529 535) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,956 INFO L264 CegarLoopResult]: At program point L920-1(lines 529 535) the Hoare annotation is: false [2020-07-28 19:05:22,956 INFO L264 CegarLoopResult]: At program point L920-2(lines 529 535) the Hoare annotation is: false [2020-07-28 19:05:22,956 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-07-28 19:05:22,957 INFO L268 CegarLoopResult]: For program point L821-1(lines 821 825) no Hoare annotation was computed. [2020-07-28 19:05:22,957 INFO L268 CegarLoopResult]: For program point L741(lines 741 754) no Hoare annotation was computed. [2020-07-28 19:05:22,957 INFO L268 CegarLoopResult]: For program point L890(lines 890 897) no Hoare annotation was computed. [2020-07-28 19:05:22,957 INFO L271 CegarLoopResult]: At program point L890-1(lines 890 897) the Hoare annotation is: true [2020-07-28 19:05:22,957 INFO L264 CegarLoopResult]: At program point L131(lines 126 134) the Hoare annotation is: false [2020-07-28 19:05:22,958 INFO L264 CegarLoopResult]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2020-07-28 19:05:22,958 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-28 19:05:22,958 INFO L264 CegarLoopResult]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2020-07-28 19:05:22,958 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:05:22,958 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2020-07-28 19:05:22,959 INFO L264 CegarLoopResult]: At program point L759(lines 710 760) the Hoare annotation is: false [2020-07-28 19:05:22,959 INFO L268 CegarLoopResult]: For program point L561(lines 561 578) no Hoare annotation was computed. [2020-07-28 19:05:22,959 INFO L268 CegarLoopResult]: For program point L561-1(lines 561 578) no Hoare annotation was computed. [2020-07-28 19:05:22,959 INFO L268 CegarLoopResult]: For program point L561-2(lines 561 578) no Hoare annotation was computed. [2020-07-28 19:05:22,959 INFO L264 CegarLoopResult]: At program point L793(lines 1 951) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,960 INFO L264 CegarLoopResult]: At program point L529(lines 525 547) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,960 INFO L264 CegarLoopResult]: At program point L529-1(lines 525 547) the Hoare annotation is: false [2020-07-28 19:05:22,960 INFO L264 CegarLoopResult]: At program point L529-2(lines 525 547) the Hoare annotation is: false [2020-07-28 19:05:22,960 INFO L264 CegarLoopResult]: At program point L910(lines 905 912) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:22,960 INFO L268 CegarLoopResult]: For program point L712(lines 711 758) no Hoare annotation was computed. [2020-07-28 19:05:22,965 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:05:22,965 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:05:22,966 WARN L170 areAnnotationChecker]: L890 has no Hoare annotation [2020-07-28 19:05:22,966 WARN L170 areAnnotationChecker]: L890 has no Hoare annotation [2020-07-28 19:05:22,966 WARN L170 areAnnotationChecker]: L890 has no Hoare annotation [2020-07-28 19:05:22,968 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:05:22,968 WARN L170 areAnnotationChecker]: L712 has no Hoare annotation [2020-07-28 19:05:22,969 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:05:22,969 WARN L170 areAnnotationChecker]: L712 has no Hoare annotation [2020-07-28 19:05:22,969 WARN L170 areAnnotationChecker]: L712 has no Hoare annotation [2020-07-28 19:05:22,969 WARN L170 areAnnotationChecker]: L713 has no Hoare annotation [2020-07-28 19:05:22,969 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 19:05:22,969 WARN L170 areAnnotationChecker]: L721 has no Hoare annotation [2020-07-28 19:05:22,969 WARN L170 areAnnotationChecker]: L721 has no Hoare annotation [2020-07-28 19:05:22,969 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 19:05:22,969 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 19:05:22,969 WARN L170 areAnnotationChecker]: L561-1 has no Hoare annotation [2020-07-28 19:05:22,970 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:05:22,970 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:05:22,970 WARN L170 areAnnotationChecker]: L731 has no Hoare annotation [2020-07-28 19:05:22,970 WARN L170 areAnnotationChecker]: L561-1 has no Hoare annotation [2020-07-28 19:05:22,970 WARN L170 areAnnotationChecker]: L561-1 has no Hoare annotation [2020-07-28 19:05:22,970 WARN L170 areAnnotationChecker]: L731 has no Hoare annotation [2020-07-28 19:05:22,971 WARN L170 areAnnotationChecker]: L731 has no Hoare annotation [2020-07-28 19:05:22,971 WARN L170 areAnnotationChecker]: L681-3 has no Hoare annotation [2020-07-28 19:05:22,971 WARN L170 areAnnotationChecker]: L931-2 has no Hoare annotation [2020-07-28 19:05:22,971 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 19:05:22,971 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 19:05:22,971 WARN L170 areAnnotationChecker]: L741 has no Hoare annotation [2020-07-28 19:05:22,971 WARN L170 areAnnotationChecker]: L681-3 has no Hoare annotation [2020-07-28 19:05:22,971 WARN L170 areAnnotationChecker]: L681-3 has no Hoare annotation [2020-07-28 19:05:22,971 WARN L170 areAnnotationChecker]: L931-2 has no Hoare annotation [2020-07-28 19:05:22,972 WARN L170 areAnnotationChecker]: L931-2 has no Hoare annotation [2020-07-28 19:05:22,972 WARN L170 areAnnotationChecker]: L741 has no Hoare annotation [2020-07-28 19:05:22,972 WARN L170 areAnnotationChecker]: L741 has no Hoare annotation [2020-07-28 19:05:22,972 WARN L170 areAnnotationChecker]: L681-5 has no Hoare annotation [2020-07-28 19:05:22,972 WARN L170 areAnnotationChecker]: L935-2 has no Hoare annotation [2020-07-28 19:05:22,973 WARN L170 areAnnotationChecker]: L749 has no Hoare annotation [2020-07-28 19:05:22,973 WARN L170 areAnnotationChecker]: L749 has no Hoare annotation [2020-07-28 19:05:22,974 WARN L170 areAnnotationChecker]: L565-1 has no Hoare annotation [2020-07-28 19:05:22,974 WARN L170 areAnnotationChecker]: L935-2 has no Hoare annotation [2020-07-28 19:05:22,974 WARN L170 areAnnotationChecker]: L935-2 has no Hoare annotation [2020-07-28 19:05:22,974 WARN L170 areAnnotationChecker]: L818 has no Hoare annotation [2020-07-28 19:05:22,975 WARN L170 areAnnotationChecker]: L565-1 has no Hoare annotation [2020-07-28 19:05:22,975 WARN L170 areAnnotationChecker]: L565-1 has no Hoare annotation [2020-07-28 19:05:22,975 WARN L170 areAnnotationChecker]: L936-2 has no Hoare annotation [2020-07-28 19:05:22,975 WARN L170 areAnnotationChecker]: L936-2 has no Hoare annotation [2020-07-28 19:05:22,976 WARN L170 areAnnotationChecker]: L818 has no Hoare annotation [2020-07-28 19:05:22,976 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:05:22,977 WARN L170 areAnnotationChecker]: L506-1 has no Hoare annotation [2020-07-28 19:05:22,977 WARN L170 areAnnotationChecker]: L506-1 has no Hoare annotation [2020-07-28 19:05:22,977 WARN L170 areAnnotationChecker]: L821 has no Hoare annotation [2020-07-28 19:05:22,977 WARN L170 areAnnotationChecker]: L821 has no Hoare annotation [2020-07-28 19:05:22,977 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:05:22,977 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:05:22,977 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-28 19:05:22,981 WARN L170 areAnnotationChecker]: L821-1 has no Hoare annotation [2020-07-28 19:05:22,981 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-28 19:05:22,982 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-28 19:05:22,986 WARN L170 areAnnotationChecker]: L681 has no Hoare annotation [2020-07-28 19:05:22,986 WARN L170 areAnnotationChecker]: L931 has no Hoare annotation [2020-07-28 19:05:22,987 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 19:05:22,987 WARN L170 areAnnotationChecker]: L681 has no Hoare annotation [2020-07-28 19:05:22,987 WARN L170 areAnnotationChecker]: L681 has no Hoare annotation [2020-07-28 19:05:22,987 WARN L170 areAnnotationChecker]: L931 has no Hoare annotation [2020-07-28 19:05:22,987 WARN L170 areAnnotationChecker]: L931 has no Hoare annotation [2020-07-28 19:05:22,987 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 19:05:22,987 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 19:05:22,987 WARN L170 areAnnotationChecker]: L561-2 has no Hoare annotation [2020-07-28 19:05:22,987 WARN L170 areAnnotationChecker]: L681-2 has no Hoare annotation [2020-07-28 19:05:22,987 WARN L170 areAnnotationChecker]: L935 has no Hoare annotation [2020-07-28 19:05:22,988 WARN L170 areAnnotationChecker]: L561-2 has no Hoare annotation [2020-07-28 19:05:22,988 WARN L170 areAnnotationChecker]: L561-2 has no Hoare annotation [2020-07-28 19:05:22,988 WARN L170 areAnnotationChecker]: L565 has no Hoare annotation [2020-07-28 19:05:22,988 WARN L170 areAnnotationChecker]: L935 has no Hoare annotation [2020-07-28 19:05:22,988 WARN L170 areAnnotationChecker]: L935 has no Hoare annotation [2020-07-28 19:05:22,988 WARN L170 areAnnotationChecker]: L681-6 has no Hoare annotation [2020-07-28 19:05:22,988 WARN L170 areAnnotationChecker]: L931-4 has no Hoare annotation [2020-07-28 19:05:22,988 WARN L170 areAnnotationChecker]: L565 has no Hoare annotation [2020-07-28 19:05:22,988 WARN L170 areAnnotationChecker]: L565 has no Hoare annotation [2020-07-28 19:05:22,988 WARN L170 areAnnotationChecker]: L936 has no Hoare annotation [2020-07-28 19:05:22,989 WARN L170 areAnnotationChecker]: L936 has no Hoare annotation [2020-07-28 19:05:22,989 WARN L170 areAnnotationChecker]: L681-6 has no Hoare annotation [2020-07-28 19:05:22,989 WARN L170 areAnnotationChecker]: L681-6 has no Hoare annotation [2020-07-28 19:05:22,989 WARN L170 areAnnotationChecker]: L931-4 has no Hoare annotation [2020-07-28 19:05:22,989 WARN L170 areAnnotationChecker]: L931-4 has no Hoare annotation [2020-07-28 19:05:22,989 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-28 19:05:22,990 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-28 19:05:22,990 WARN L170 areAnnotationChecker]: L681-8 has no Hoare annotation [2020-07-28 19:05:22,990 WARN L170 areAnnotationChecker]: L935-4 has no Hoare annotation [2020-07-28 19:05:22,990 WARN L170 areAnnotationChecker]: L565-2 has no Hoare annotation [2020-07-28 19:05:22,991 WARN L170 areAnnotationChecker]: L935-4 has no Hoare annotation [2020-07-28 19:05:22,991 WARN L170 areAnnotationChecker]: L935-4 has no Hoare annotation [2020-07-28 19:05:22,991 WARN L170 areAnnotationChecker]: L565-2 has no Hoare annotation [2020-07-28 19:05:22,991 WARN L170 areAnnotationChecker]: L565-2 has no Hoare annotation [2020-07-28 19:05:22,991 WARN L170 areAnnotationChecker]: L936-4 has no Hoare annotation [2020-07-28 19:05:22,991 WARN L170 areAnnotationChecker]: L936-4 has no Hoare annotation [2020-07-28 19:05:22,991 WARN L170 areAnnotationChecker]: L506-2 has no Hoare annotation [2020-07-28 19:05:22,992 WARN L170 areAnnotationChecker]: L506-2 has no Hoare annotation [2020-07-28 19:05:22,992 INFO L163 areAnnotationChecker]: CFG has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:05:23,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:05:23 BoogieIcfgContainer [2020-07-28 19:05:23,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:05:23,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:05:23,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:05:23,013 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:05:23,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:05:19" (3/4) ... [2020-07-28 19:05:23,018 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:05:23,034 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:05:23,034 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:05:23,035 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:05:23,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:05:23,037 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:05:23,037 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:05:23,038 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:05:23,069 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 19:05:23,070 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 19:05:23,070 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 19:05:23,071 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 19:05:23,072 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 19:05:23,073 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 19:05:23,136 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:05:23,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:05:23,139 INFO L168 Benchmark]: Toolchain (without parser) took 5682.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 957.5 MB in the beginning and 977.2 MB in the end (delta: -19.6 MB). Peak memory consumption was 203.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:23,139 INFO L168 Benchmark]: CDTParser took 0.24 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 19:05:23,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:23,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.77 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 19:05:23,140 INFO L168 Benchmark]: Boogie Preprocessor took 60.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:05:23,141 INFO L168 Benchmark]: RCFGBuilder took 1365.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.2 MB in the end (delta: 151.8 MB). Peak memory consumption was 151.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:23,141 INFO L168 Benchmark]: TraceAbstraction took 3372.42 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.3 MB). Free memory was 975.2 MB in the beginning and 984.8 MB in the end (delta: -9.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:23,142 INFO L168 Benchmark]: Witness Printer took 123.06 ms. Allocated memory is still 1.3 GB. Free memory was 984.8 MB in the beginning and 977.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:23,144 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 0.24 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 666.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -176.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.77 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 60.87 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 1365.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.2 MB in the end (delta: 151.8 MB). Peak memory consumption was 151.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3372.42 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.3 MB). Free memory was 975.2 MB in the beginning and 984.8 MB in the end (delta: -9.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. * Witness Printer took 123.06 ms. Allocated memory is still 1.3 GB. Free memory was 984.8 MB in the beginning and 977.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 506]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 506]: 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: 1]: Loop Invariant Derived loop invariant: 0 == pumpRunning && 1 == systemActive - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 == pumpRunning && 1 == systemActive - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 == pumpRunning && 1 == systemActive - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 == pumpRunning && 1 == systemActive - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 279 SDtfs, 148 SDslu, 74 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 38 PreInvPairs, 62 NumberOfFragments, 170 HoareAnnotationTreeSize, 38 FomulaSimplifications, 188 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 38 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 3510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...