./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product16.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 d073e73520d645b8f7658ef35479d738282f57bd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:59:23,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:59:23,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:59:23,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:59:23,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:59:23,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:59:23,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:59:23,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:59:23,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:59:23,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:59:23,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:59:23,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:59:23,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:59:23,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:59:23,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:59:23,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:59:23,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:59:23,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:59:23,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:59:23,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:59:23,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:59:23,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:59:23,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:59:23,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:59:23,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:59:23,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:59:23,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:59:23,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:59:23,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:59:23,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:59:23,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:59:23,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:59:23,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:59:23,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:59:23,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:59:23,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:59:23,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:59:23,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:59:23,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:59:23,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:59:23,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:59:23,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:59:23,355 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:59:23,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:59:23,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:59:23,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:59:23,358 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:59:23,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:59:23,359 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:59:23,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:59:23,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:59:23,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:59:23,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:59:23,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:59:23,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:59:23,360 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:59:23,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:59:23,361 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:59:23,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:59:23,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:59:23,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:59:23,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:59:23,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:59:23,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:23,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:59:23,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:59:23,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:59:23,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:59:23,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:59:23,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:59:23,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:59:23,365 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 -> d073e73520d645b8f7658ef35479d738282f57bd [2020-07-28 18:59:23,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:59:23,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:59:23,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:59:23,741 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:59:23,743 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:59:23,745 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-07-28 18:59:23,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d3114fd/1bcfd24240614273b4e4b8075f62dd9c/FLAG18cea4c7e [2020-07-28 18:59:24,303 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:59:24,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-07-28 18:59:24,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d3114fd/1bcfd24240614273b4e4b8075f62dd9c/FLAG18cea4c7e [2020-07-28 18:59:24,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d3114fd/1bcfd24240614273b4e4b8075f62dd9c [2020-07-28 18:59:24,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:59:24,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:59:24,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:24,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:59:24,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:59:24,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:24" (1/1) ... [2020-07-28 18:59:24,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b56b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:24, skipping insertion in model container [2020-07-28 18:59:24,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:24" (1/1) ... [2020-07-28 18:59:24,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:59:24,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:59:25,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:25,394 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:59:25,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:25,524 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:59:25,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25 WrapperNode [2020-07-28 18:59:25,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:25,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:25,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:59:25,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:59:25,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:25,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:59:25,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:59:25,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:59:25,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:59:25,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:59:25,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:59:25,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:59:25,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:59:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:59:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:59:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:59:27,082 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:59:27,083 INFO L295 CfgBuilder]: Removed 104 assume(true) statements. [2020-07-28 18:59:27,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:27 BoogieIcfgContainer [2020-07-28 18:59:27,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:59:27,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:59:27,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:59:27,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:59:27,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:59:24" (1/3) ... [2020-07-28 18:59:27,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654e503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:27, skipping insertion in model container [2020-07-28 18:59:27,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25" (2/3) ... [2020-07-28 18:59:27,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654e503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:27, skipping insertion in model container [2020-07-28 18:59:27,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:27" (3/3) ... [2020-07-28 18:59:27,099 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2020-07-28 18:59:27,111 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:59:27,120 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:59:27,136 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:59:27,164 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:59:27,164 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:59:27,164 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:59:27,165 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:59:27,165 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:59:27,166 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:59:27,166 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:59:27,166 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:59:27,186 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-28 18:59:27,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 18:59:27,194 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:27,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:27,196 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:27,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:27,203 INFO L82 PathProgramCache]: Analyzing trace with hash 312412164, now seen corresponding path program 1 times [2020-07-28 18:59:27,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:27,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472915313] [2020-07-28 18:59:27,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:27,534 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; {78#true} is VALID [2020-07-28 18:59:27,535 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#true} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {78#true} is VALID [2020-07-28 18:59:27,535 INFO L280 TraceCheckUtils]: 2: Hoare triple {78#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {78#true} is VALID [2020-07-28 18:59:27,536 INFO L280 TraceCheckUtils]: 3: Hoare triple {78#true} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {78#true} is VALID [2020-07-28 18:59:27,536 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#true} assume 0 != main_~tmp~3; {78#true} is VALID [2020-07-28 18:59:27,537 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#true} ~methAndRunningLastTime~0 := 0; {78#true} is VALID [2020-07-28 18:59:27,537 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#true} havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {78#true} is VALID [2020-07-28 18:59:27,541 INFO L280 TraceCheckUtils]: 7: Hoare triple {78#true} assume false; {79#false} is VALID [2020-07-28 18:59:27,542 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {79#false} is VALID [2020-07-28 18:59:27,542 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#false} assume !(0 != ~pumpRunning~0); {79#false} is VALID [2020-07-28 18:59:27,542 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#false} assume !(0 != ~systemActive~0); {79#false} is VALID [2020-07-28 18:59:27,543 INFO L280 TraceCheckUtils]: 11: Hoare triple {79#false} havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {79#false} is VALID [2020-07-28 18:59:27,544 INFO L280 TraceCheckUtils]: 12: Hoare triple {79#false} __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret70 && __utac_acc__Specification2_spec__2_#t~ret70 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; {79#false} is VALID [2020-07-28 18:59:27,544 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {79#false} is VALID [2020-07-28 18:59:27,544 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#false} __utac_acc__Specification2_spec__2_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret71 && __utac_acc__Specification2_spec__2_#t~ret71 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret71;havoc __utac_acc__Specification2_spec__2_#t~ret71; {79#false} is VALID [2020-07-28 18:59:27,545 INFO L280 TraceCheckUtils]: 15: Hoare triple {79#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {79#false} is VALID [2020-07-28 18:59:27,545 INFO L280 TraceCheckUtils]: 16: Hoare triple {79#false} assume 0 != ~methAndRunningLastTime~0; {79#false} is VALID [2020-07-28 18:59:27,546 INFO L280 TraceCheckUtils]: 17: Hoare triple {79#false} assume !false; {79#false} is VALID [2020-07-28 18:59:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:27,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472915313] [2020-07-28 18:59:27,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:27,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:27,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904172171] [2020-07-28 18:59:27,560 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:27,562 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:27,566 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:59:27,613 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:27,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:59:27,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:27,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:59:27,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:27,626 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-07-28 18:59:27,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:27,824 INFO L93 Difference]: Finished difference Result 143 states and 216 transitions. [2020-07-28 18:59:27,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:59:27,824 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:27,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:27,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 216 transitions. [2020-07-28 18:59:27,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:27,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 216 transitions. [2020-07-28 18:59:27,842 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 216 transitions. [2020-07-28 18:59:28,130 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 216 edges. 216 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:28,150 INFO L225 Difference]: With dead ends: 143 [2020-07-28 18:59:28,151 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 18:59:28,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:28,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 18:59:28,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 18:59:28,231 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:28,232 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:28,232 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:28,233 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:28,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:28,243 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-07-28 18:59:28,243 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-07-28 18:59:28,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:28,244 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:28,245 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:28,245 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:59:28,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:28,262 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-07-28 18:59:28,262 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-07-28 18:59:28,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:28,264 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:28,264 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:28,264 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:28,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 18:59:28,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-07-28 18:59:28,275 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-07-28 18:59:28,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:28,275 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-07-28 18:59:28,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:59:28,277 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-07-28 18:59:28,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 18:59:28,279 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:28,279 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:28,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:59:28,280 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:28,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:28,282 INFO L82 PathProgramCache]: Analyzing trace with hash 93576195, now seen corresponding path program 1 times [2020-07-28 18:59:28,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:28,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321898376] [2020-07-28 18:59:28,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:28,417 INFO L280 TraceCheckUtils]: 0: Hoare triple {531#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; {531#true} is VALID [2020-07-28 18:59:28,417 INFO L280 TraceCheckUtils]: 1: Hoare triple {531#true} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {531#true} is VALID [2020-07-28 18:59:28,418 INFO L280 TraceCheckUtils]: 2: Hoare triple {531#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {531#true} is VALID [2020-07-28 18:59:28,418 INFO L280 TraceCheckUtils]: 3: Hoare triple {531#true} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {531#true} is VALID [2020-07-28 18:59:28,418 INFO L280 TraceCheckUtils]: 4: Hoare triple {531#true} assume 0 != main_~tmp~3; {531#true} is VALID [2020-07-28 18:59:28,419 INFO L280 TraceCheckUtils]: 5: Hoare triple {531#true} ~methAndRunningLastTime~0 := 0; {531#true} is VALID [2020-07-28 18:59:28,420 INFO L280 TraceCheckUtils]: 6: Hoare triple {531#true} havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {533#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:28,421 INFO L280 TraceCheckUtils]: 7: Hoare triple {533#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {533#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:28,421 INFO L280 TraceCheckUtils]: 8: Hoare triple {533#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {532#false} is VALID [2020-07-28 18:59:28,422 INFO L280 TraceCheckUtils]: 9: Hoare triple {532#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {532#false} is VALID [2020-07-28 18:59:28,422 INFO L280 TraceCheckUtils]: 10: Hoare triple {532#false} assume !(0 != ~pumpRunning~0); {532#false} is VALID [2020-07-28 18:59:28,422 INFO L280 TraceCheckUtils]: 11: Hoare triple {532#false} assume !(0 != ~systemActive~0); {532#false} is VALID [2020-07-28 18:59:28,423 INFO L280 TraceCheckUtils]: 12: Hoare triple {532#false} havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {532#false} is VALID [2020-07-28 18:59:28,423 INFO L280 TraceCheckUtils]: 13: Hoare triple {532#false} __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret70 && __utac_acc__Specification2_spec__2_#t~ret70 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; {532#false} is VALID [2020-07-28 18:59:28,423 INFO L280 TraceCheckUtils]: 14: Hoare triple {532#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {532#false} is VALID [2020-07-28 18:59:28,423 INFO L280 TraceCheckUtils]: 15: Hoare triple {532#false} __utac_acc__Specification2_spec__2_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret71 && __utac_acc__Specification2_spec__2_#t~ret71 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret71;havoc __utac_acc__Specification2_spec__2_#t~ret71; {532#false} is VALID [2020-07-28 18:59:28,424 INFO L280 TraceCheckUtils]: 16: Hoare triple {532#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {532#false} is VALID [2020-07-28 18:59:28,424 INFO L280 TraceCheckUtils]: 17: Hoare triple {532#false} assume 0 != ~methAndRunningLastTime~0; {532#false} is VALID [2020-07-28 18:59:28,425 INFO L280 TraceCheckUtils]: 18: Hoare triple {532#false} assume !false; {532#false} is VALID [2020-07-28 18:59:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:28,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321898376] [2020-07-28 18:59:28,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:28,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:28,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141892872] [2020-07-28 18:59:28,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:28,430 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:28,430 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:28,459 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:28,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:28,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:28,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:28,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:28,460 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2020-07-28 18:59:28,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:28,663 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-07-28 18:59:28,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:28,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:28,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:28,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2020-07-28 18:59:28,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2020-07-28 18:59:28,669 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 100 transitions. [2020-07-28 18:59:28,799 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:28,800 INFO L225 Difference]: With dead ends: 71 [2020-07-28 18:59:28,801 INFO L226 Difference]: Without dead ends: 35 [2020-07-28 18:59:28,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:28,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-28 18:59:28,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-07-28 18:59:28,822 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:28,823 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:28,823 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:28,823 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:28,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:28,826 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 18:59:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 18:59:28,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:28,827 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:28,827 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:28,827 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 18:59:28,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:28,830 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 18:59:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 18:59:28,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:28,831 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:28,831 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:28,831 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:28,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-28 18:59:28,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-07-28 18:59:28,834 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-07-28 18:59:28,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:28,834 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-07-28 18:59:28,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:28,835 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 18:59:28,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:59:28,836 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:28,836 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:28,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:59:28,837 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:28,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:28,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2020-07-28 18:59:28,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:28,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953203449] [2020-07-28 18:59:28,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:29,010 INFO L280 TraceCheckUtils]: 0: Hoare triple {758#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; {758#true} is VALID [2020-07-28 18:59:29,010 INFO L280 TraceCheckUtils]: 1: Hoare triple {758#true} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {758#true} is VALID [2020-07-28 18:59:29,010 INFO L280 TraceCheckUtils]: 2: Hoare triple {758#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {758#true} is VALID [2020-07-28 18:59:29,011 INFO L280 TraceCheckUtils]: 3: Hoare triple {758#true} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {758#true} is VALID [2020-07-28 18:59:29,011 INFO L280 TraceCheckUtils]: 4: Hoare triple {758#true} assume 0 != main_~tmp~3; {758#true} is VALID [2020-07-28 18:59:29,012 INFO L280 TraceCheckUtils]: 5: Hoare triple {758#true} ~methAndRunningLastTime~0 := 0; {758#true} is VALID [2020-07-28 18:59:29,012 INFO L280 TraceCheckUtils]: 6: Hoare triple {758#true} havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {758#true} is VALID [2020-07-28 18:59:29,012 INFO L280 TraceCheckUtils]: 7: Hoare triple {758#true} assume !false; {758#true} is VALID [2020-07-28 18:59:29,012 INFO L280 TraceCheckUtils]: 8: Hoare triple {758#true} assume test_~splverifierCounter~0 < 4; {758#true} is VALID [2020-07-28 18:59:29,013 INFO L280 TraceCheckUtils]: 9: Hoare triple {758#true} assume -2147483648 <= test_#t~nondet66 && test_#t~nondet66 <= 2147483647;test_~tmp~6 := test_#t~nondet66;havoc test_#t~nondet66; {758#true} is VALID [2020-07-28 18:59:29,013 INFO L280 TraceCheckUtils]: 10: Hoare triple {758#true} assume !(0 != test_~tmp~6); {758#true} is VALID [2020-07-28 18:59:29,013 INFO L280 TraceCheckUtils]: 11: Hoare triple {758#true} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp___0~0 := test_#t~nondet67;havoc test_#t~nondet67; {758#true} is VALID [2020-07-28 18:59:29,014 INFO L280 TraceCheckUtils]: 12: Hoare triple {758#true} assume !(0 != test_~tmp___0~0); {758#true} is VALID [2020-07-28 18:59:29,014 INFO L280 TraceCheckUtils]: 13: Hoare triple {758#true} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; {758#true} is VALID [2020-07-28 18:59:29,015 INFO L280 TraceCheckUtils]: 14: Hoare triple {758#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:29,016 INFO L280 TraceCheckUtils]: 15: Hoare triple {760#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {760#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:29,017 INFO L280 TraceCheckUtils]: 16: Hoare triple {760#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {759#false} is VALID [2020-07-28 18:59:29,018 INFO L280 TraceCheckUtils]: 17: Hoare triple {759#false} havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {759#false} is VALID [2020-07-28 18:59:29,018 INFO L280 TraceCheckUtils]: 18: Hoare triple {759#false} __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret70 && __utac_acc__Specification2_spec__2_#t~ret70 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; {759#false} is VALID [2020-07-28 18:59:29,018 INFO L280 TraceCheckUtils]: 19: Hoare triple {759#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {759#false} is VALID [2020-07-28 18:59:29,019 INFO L280 TraceCheckUtils]: 20: Hoare triple {759#false} __utac_acc__Specification2_spec__2_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret71 && __utac_acc__Specification2_spec__2_#t~ret71 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret71;havoc __utac_acc__Specification2_spec__2_#t~ret71; {759#false} is VALID [2020-07-28 18:59:29,019 INFO L280 TraceCheckUtils]: 21: Hoare triple {759#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {759#false} is VALID [2020-07-28 18:59:29,019 INFO L280 TraceCheckUtils]: 22: Hoare triple {759#false} assume 0 != ~methAndRunningLastTime~0; {759#false} is VALID [2020-07-28 18:59:29,020 INFO L280 TraceCheckUtils]: 23: Hoare triple {759#false} assume !false; {759#false} is VALID [2020-07-28 18:59:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:29,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953203449] [2020-07-28 18:59:29,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:29,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:29,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151009923] [2020-07-28 18:59:29,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:59:29,023 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:29,023 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:29,058 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:29,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:29,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:29,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:29,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:29,059 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-07-28 18:59:29,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:29,302 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2020-07-28 18:59:29,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:29,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:59:29,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:29,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:29,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 133 transitions. [2020-07-28 18:59:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 133 transitions. [2020-07-28 18:59:29,311 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 133 transitions. [2020-07-28 18:59:29,507 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:29,510 INFO L225 Difference]: With dead ends: 91 [2020-07-28 18:59:29,510 INFO L226 Difference]: Without dead ends: 63 [2020-07-28 18:59:29,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:29,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-28 18:59:29,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2020-07-28 18:59:29,577 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:29,577 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand 59 states. [2020-07-28 18:59:29,577 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 59 states. [2020-07-28 18:59:29,577 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 59 states. [2020-07-28 18:59:29,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:29,585 INFO L93 Difference]: Finished difference Result 63 states and 90 transitions. [2020-07-28 18:59:29,586 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2020-07-28 18:59:29,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:29,588 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:29,588 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 63 states. [2020-07-28 18:59:29,589 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 63 states. [2020-07-28 18:59:29,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:29,595 INFO L93 Difference]: Finished difference Result 63 states and 90 transitions. [2020-07-28 18:59:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2020-07-28 18:59:29,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:29,597 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:29,597 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:29,597 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-28 18:59:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2020-07-28 18:59:29,602 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 24 [2020-07-28 18:59:29,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:29,602 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2020-07-28 18:59:29,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:29,603 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2020-07-28 18:59:29,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:59:29,608 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:29,609 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:29,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:59:29,610 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:29,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:29,610 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2020-07-28 18:59:29,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:29,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952938146] [2020-07-28 18:59:29,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:29,755 INFO L280 TraceCheckUtils]: 0: Hoare triple {1101#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,756 INFO L280 TraceCheckUtils]: 1: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,757 INFO L280 TraceCheckUtils]: 2: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,758 INFO L280 TraceCheckUtils]: 3: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,759 INFO L280 TraceCheckUtils]: 4: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~3; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,759 INFO L280 TraceCheckUtils]: 5: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} ~methAndRunningLastTime~0 := 0; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,760 INFO L280 TraceCheckUtils]: 6: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,761 INFO L280 TraceCheckUtils]: 7: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume !false; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,762 INFO L280 TraceCheckUtils]: 8: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,763 INFO L280 TraceCheckUtils]: 9: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet66 && test_#t~nondet66 <= 2147483647;test_~tmp~6 := test_#t~nondet66;havoc test_#t~nondet66; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,763 INFO L280 TraceCheckUtils]: 10: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~6); {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,764 INFO L280 TraceCheckUtils]: 11: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp___0~0 := test_#t~nondet67;havoc test_#t~nondet67; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,765 INFO L280 TraceCheckUtils]: 12: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,766 INFO L280 TraceCheckUtils]: 13: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,766 INFO L280 TraceCheckUtils]: 14: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,767 INFO L280 TraceCheckUtils]: 15: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,768 INFO L280 TraceCheckUtils]: 16: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,768 INFO L280 TraceCheckUtils]: 17: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {1103#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:29,769 INFO L280 TraceCheckUtils]: 18: Hoare triple {1103#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {1104#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:59:29,770 INFO L280 TraceCheckUtils]: 19: Hoare triple {1104#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret70 && __utac_acc__Specification2_spec__2_#t~ret70 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; {1105#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~7)} is VALID [2020-07-28 18:59:29,770 INFO L280 TraceCheckUtils]: 20: Hoare triple {1105#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~7)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {1102#false} is VALID [2020-07-28 18:59:29,771 INFO L280 TraceCheckUtils]: 21: Hoare triple {1102#false} __utac_acc__Specification2_spec__2_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret71 && __utac_acc__Specification2_spec__2_#t~ret71 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret71;havoc __utac_acc__Specification2_spec__2_#t~ret71; {1102#false} is VALID [2020-07-28 18:59:29,771 INFO L280 TraceCheckUtils]: 22: Hoare triple {1102#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {1102#false} is VALID [2020-07-28 18:59:29,771 INFO L280 TraceCheckUtils]: 23: Hoare triple {1102#false} assume 0 != ~methAndRunningLastTime~0; {1102#false} is VALID [2020-07-28 18:59:29,772 INFO L280 TraceCheckUtils]: 24: Hoare triple {1102#false} assume !false; {1102#false} is VALID [2020-07-28 18:59:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:29,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952938146] [2020-07-28 18:59:29,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:29,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:29,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590011210] [2020-07-28 18:59:29,774 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:29,774 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:29,775 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:29,811 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:29,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:29,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:29,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:29,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:29,813 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand 5 states. [2020-07-28 18:59:30,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:30,590 INFO L93 Difference]: Finished difference Result 265 states and 407 transitions. [2020-07-28 18:59:30,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:59:30,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:30,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:30,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-28 18:59:30,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 228 transitions. [2020-07-28 18:59:30,599 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 228 transitions. [2020-07-28 18:59:30,867 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 228 edges. 228 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:30,879 INFO L225 Difference]: With dead ends: 265 [2020-07-28 18:59:30,879 INFO L226 Difference]: Without dead ends: 213 [2020-07-28 18:59:30,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:59:30,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-07-28 18:59:30,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 103. [2020-07-28 18:59:30,967 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:30,967 INFO L82 GeneralOperation]: Start isEquivalent. First operand 213 states. Second operand 103 states. [2020-07-28 18:59:30,967 INFO L74 IsIncluded]: Start isIncluded. First operand 213 states. Second operand 103 states. [2020-07-28 18:59:30,967 INFO L87 Difference]: Start difference. First operand 213 states. Second operand 103 states. [2020-07-28 18:59:30,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:30,976 INFO L93 Difference]: Finished difference Result 213 states and 323 transitions. [2020-07-28 18:59:30,976 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 323 transitions. [2020-07-28 18:59:30,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:30,977 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:30,978 INFO L74 IsIncluded]: Start isIncluded. First operand 103 states. Second operand 213 states. [2020-07-28 18:59:30,978 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 213 states. [2020-07-28 18:59:30,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:30,986 INFO L93 Difference]: Finished difference Result 213 states and 323 transitions. [2020-07-28 18:59:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 323 transitions. [2020-07-28 18:59:30,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:30,987 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:30,987 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:30,988 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:30,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-07-28 18:59:30,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2020-07-28 18:59:30,992 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 25 [2020-07-28 18:59:30,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:30,992 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2020-07-28 18:59:30,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2020-07-28 18:59:30,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:59:30,993 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:30,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:30,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:59:30,994 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:30,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:30,994 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2020-07-28 18:59:30,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:30,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124305849] [2020-07-28 18:59:30,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:31,069 INFO L280 TraceCheckUtils]: 0: Hoare triple {2071#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(13);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string39.base, #t~string39.offset, 1);call write~init~int(77, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(101, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(116, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(104, #t~string39.base, 4 + #t~string39.offset, 1);call write~init~int(58, #t~string39.base, 5 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 6 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string41.base, #t~string41.offset, 1);call write~init~int(82, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(73, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(84, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 4 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(75, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string45.base, #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 1 + #t~string45.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,070 INFO L280 TraceCheckUtils]: 1: Hoare triple {2073#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,071 INFO L280 TraceCheckUtils]: 2: Hoare triple {2073#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,075 INFO L280 TraceCheckUtils]: 3: Hoare triple {2073#(= 0 ~pumpRunning~0)} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,077 INFO L280 TraceCheckUtils]: 4: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,078 INFO L280 TraceCheckUtils]: 5: Hoare triple {2073#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,081 INFO L280 TraceCheckUtils]: 6: Hoare triple {2073#(= 0 ~pumpRunning~0)} havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,082 INFO L280 TraceCheckUtils]: 7: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume !false; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,083 INFO L280 TraceCheckUtils]: 8: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,083 INFO L280 TraceCheckUtils]: 9: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet66 && test_#t~nondet66 <= 2147483647;test_~tmp~6 := test_#t~nondet66;havoc test_#t~nondet66; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,084 INFO L280 TraceCheckUtils]: 10: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~6); {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,085 INFO L280 TraceCheckUtils]: 11: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp___0~0 := test_#t~nondet67;havoc test_#t~nondet67; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,086 INFO L280 TraceCheckUtils]: 12: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,086 INFO L280 TraceCheckUtils]: 13: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,087 INFO L280 TraceCheckUtils]: 14: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,087 INFO L280 TraceCheckUtils]: 15: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,088 INFO L280 TraceCheckUtils]: 16: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,093 INFO L280 TraceCheckUtils]: 17: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,094 INFO L280 TraceCheckUtils]: 18: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,095 INFO L280 TraceCheckUtils]: 19: Hoare triple {2073#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,095 INFO L280 TraceCheckUtils]: 20: Hoare triple {2073#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret70 && __utac_acc__Specification2_spec__2_#t~ret70 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret70;havoc __utac_acc__Specification2_spec__2_#t~ret70; {2073#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:31,102 INFO L280 TraceCheckUtils]: 21: Hoare triple {2073#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {2074#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:59:31,103 INFO L280 TraceCheckUtils]: 22: Hoare triple {2074#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret71 && __utac_acc__Specification2_spec__2_#t~ret71 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~1 := __utac_acc__Specification2_spec__2_#t~ret71;havoc __utac_acc__Specification2_spec__2_#t~ret71; {2075#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~1)} is VALID [2020-07-28 18:59:31,104 INFO L280 TraceCheckUtils]: 23: Hoare triple {2075#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~1)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~1; {2072#false} is VALID [2020-07-28 18:59:31,104 INFO L280 TraceCheckUtils]: 24: Hoare triple {2072#false} assume 0 != ~methAndRunningLastTime~0; {2072#false} is VALID [2020-07-28 18:59:31,104 INFO L280 TraceCheckUtils]: 25: Hoare triple {2072#false} assume !false; {2072#false} is VALID [2020-07-28 18:59:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:59:31,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124305849] [2020-07-28 18:59:31,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:31,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:31,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403026455] [2020-07-28 18:59:31,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:59:31,107 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:31,107 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:31,142 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:31,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:31,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:31,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:31,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:31,143 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 5 states. [2020-07-28 18:59:31,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:31,871 INFO L93 Difference]: Finished difference Result 299 states and 448 transitions. [2020-07-28 18:59:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:31,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:59:31,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:31,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2020-07-28 18:59:31,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:31,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2020-07-28 18:59:31,880 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 139 transitions. [2020-07-28 18:59:32,048 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 139 edges. 139 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:32,049 INFO L225 Difference]: With dead ends: 299 [2020-07-28 18:59:32,049 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:59:32,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:59:32,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:59:32,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:59:32,054 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:32,054 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:32,055 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:32,055 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:32,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:32,055 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:32,056 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:32,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:32,056 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:32,056 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:32,056 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:32,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:32,057 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:32,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:32,058 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:32,058 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:32,058 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:32,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:59:32,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:59:32,059 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-07-28 18:59:32,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:32,059 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:59:32,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:32,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:32,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:59:32,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:59:32,392 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-28 18:59:32,392 INFO L268 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2020-07-28 18:59:32,392 INFO L264 CegarLoopResult]: At program point L894(lines 889 896) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:32,392 INFO L268 CegarLoopResult]: For program point L448-2(line 448) no Hoare annotation was computed. [2020-07-28 18:59:32,392 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2020-07-28 18:59:32,393 INFO L268 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2020-07-28 18:59:32,393 INFO L268 CegarLoopResult]: For program point L465-3(lines 465 469) no Hoare annotation was computed. [2020-07-28 18:59:32,393 INFO L268 CegarLoopResult]: For program point L465-6(lines 465 469) no Hoare annotation was computed. [2020-07-28 18:59:32,393 INFO L264 CegarLoopResult]: At program point L746(lines 739 749) the Hoare annotation is: false [2020-07-28 18:59:32,393 INFO L264 CegarLoopResult]: At program point L746-1(lines 739 749) the Hoare annotation is: false [2020-07-28 18:59:32,393 INFO L264 CegarLoopResult]: At program point L746-2(lines 739 749) the Hoare annotation is: false [2020-07-28 18:59:32,393 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:59:32,393 INFO L264 CegarLoopResult]: At program point L879(lines 828 880) the Hoare annotation is: false [2020-07-28 18:59:32,394 INFO L268 CegarLoopResult]: For program point L830(lines 829 878) no Hoare annotation was computed. [2020-07-28 18:59:32,394 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-07-28 18:59:32,394 INFO L264 CegarLoopResult]: At program point L600(lines 596 602) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:32,394 INFO L264 CegarLoopResult]: At program point L551-2(lines 551 565) the Hoare annotation is: false [2020-07-28 18:59:32,394 INFO L268 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2020-07-28 18:59:32,394 INFO L264 CegarLoopResult]: At program point L799-1(lines 799 805) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,394 INFO L264 CegarLoopResult]: At program point L502(lines 497 505) the Hoare annotation is: false [2020-07-28 18:59:32,394 INFO L264 CegarLoopResult]: At program point L502-1(lines 497 505) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,395 INFO L264 CegarLoopResult]: At program point L502-2(lines 497 505) the Hoare annotation is: false [2020-07-28 18:59:32,395 INFO L264 CegarLoopResult]: At program point L502-3(lines 497 505) the Hoare annotation is: false [2020-07-28 18:59:32,395 INFO L264 CegarLoopResult]: At program point L502-4(lines 497 505) the Hoare annotation is: false [2020-07-28 18:59:32,395 INFO L268 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2020-07-28 18:59:32,395 INFO L264 CegarLoopResult]: At program point L502-5(lines 497 505) the Hoare annotation is: false [2020-07-28 18:59:32,395 INFO L264 CegarLoopResult]: At program point L849-1(lines 849 855) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,395 INFO L264 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:32,395 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-07-28 18:59:32,396 INFO L271 CegarLoopResult]: At program point L635(lines 616 638) the Hoare annotation is: true [2020-07-28 18:59:32,396 INFO L268 CegarLoopResult]: For program point L685(lines 685 702) no Hoare annotation was computed. [2020-07-28 18:59:32,396 INFO L268 CegarLoopResult]: For program point L685-1(lines 685 702) no Hoare annotation was computed. [2020-07-28 18:59:32,396 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 702) no Hoare annotation was computed. [2020-07-28 18:59:32,396 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-07-28 18:59:32,396 INFO L264 CegarLoopResult]: At program point L867-1(lines 653 659) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,396 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:59:32,396 INFO L264 CegarLoopResult]: At program point L653(lines 652 671) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,397 INFO L268 CegarLoopResult]: For program point L653-1(lines 653 659) no Hoare annotation was computed. [2020-07-28 18:59:32,397 INFO L264 CegarLoopResult]: At program point L653-2(lines 652 671) the Hoare annotation is: false [2020-07-28 18:59:32,397 INFO L264 CegarLoopResult]: At program point L653-3(lines 652 671) the Hoare annotation is: false [2020-07-28 18:59:32,397 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2020-07-28 18:59:32,397 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-07-28 18:59:32,397 INFO L268 CegarLoopResult]: For program point L555-1(lines 653 659) no Hoare annotation was computed. [2020-07-28 18:59:32,397 INFO L268 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2020-07-28 18:59:32,397 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:59:32,398 INFO L264 CegarLoopResult]: At program point L755(lines 750 758) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,398 INFO L264 CegarLoopResult]: At program point L755-1(lines 750 758) the Hoare annotation is: false [2020-07-28 18:59:32,398 INFO L268 CegarLoopResult]: For program point L689(lines 689 697) no Hoare annotation was computed. [2020-07-28 18:59:32,398 INFO L264 CegarLoopResult]: At program point L755-2(lines 750 758) the Hoare annotation is: false [2020-07-28 18:59:32,398 INFO L268 CegarLoopResult]: For program point L689-1(lines 689 697) no Hoare annotation was computed. [2020-07-28 18:59:32,398 INFO L268 CegarLoopResult]: For program point L689-2(lines 689 697) no Hoare annotation was computed. [2020-07-28 18:59:32,398 INFO L268 CegarLoopResult]: For program point L905(lines 905 922) no Hoare annotation was computed. [2020-07-28 18:59:32,398 INFO L264 CegarLoopResult]: At program point L905-1(lines 1 925) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,398 INFO L268 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2020-07-28 18:59:32,398 INFO L268 CegarLoopResult]: For program point L905-2(lines 905 922) no Hoare annotation was computed. [2020-07-28 18:59:32,399 INFO L264 CegarLoopResult]: At program point L839-1(lines 839 845) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,399 INFO L264 CegarLoopResult]: At program point L905-3(lines 1 925) the Hoare annotation is: false [2020-07-28 18:59:32,399 INFO L268 CegarLoopResult]: For program point L905-4(lines 905 922) no Hoare annotation was computed. [2020-07-28 18:59:32,399 INFO L264 CegarLoopResult]: At program point L905-5(lines 1 925) the Hoare annotation is: false [2020-07-28 18:59:32,399 INFO L268 CegarLoopResult]: For program point L477(lines 477 481) no Hoare annotation was computed. [2020-07-28 18:59:32,399 INFO L268 CegarLoopResult]: For program point L626(lines 626 633) no Hoare annotation was computed. [2020-07-28 18:59:32,399 INFO L271 CegarLoopResult]: At program point L626-1(lines 626 633) the Hoare annotation is: true [2020-07-28 18:59:32,399 INFO L264 CegarLoopResult]: At program point L65(lines 1 925) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:32,400 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:59:32,400 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2020-07-28 18:59:32,400 INFO L264 CegarLoopResult]: At program point L660(lines 660 666) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:32,400 INFO L264 CegarLoopResult]: At program point L660-1(lines 660 666) the Hoare annotation is: false [2020-07-28 18:59:32,400 INFO L264 CegarLoopResult]: At program point L660-2(lines 660 666) the Hoare annotation is: false [2020-07-28 18:59:32,400 INFO L268 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-07-28 18:59:32,400 INFO L268 CegarLoopResult]: For program point L909(lines 909 919) no Hoare annotation was computed. [2020-07-28 18:59:32,400 INFO L268 CegarLoopResult]: For program point L909-2(lines 909 919) no Hoare annotation was computed. [2020-07-28 18:59:32,401 INFO L268 CegarLoopResult]: For program point L909-4(lines 909 919) no Hoare annotation was computed. [2020-07-28 18:59:32,401 INFO L268 CegarLoopResult]: For program point L910(lines 910 916) no Hoare annotation was computed. [2020-07-28 18:59:32,401 INFO L268 CegarLoopResult]: For program point L910-2(lines 910 916) no Hoare annotation was computed. [2020-07-28 18:59:32,401 INFO L268 CegarLoopResult]: For program point L910-4(lines 910 916) no Hoare annotation was computed. [2020-07-28 18:59:32,405 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:59:32,406 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:59:32,407 WARN L170 areAnnotationChecker]: L626 has no Hoare annotation [2020-07-28 18:59:32,407 WARN L170 areAnnotationChecker]: L626 has no Hoare annotation [2020-07-28 18:59:32,408 WARN L170 areAnnotationChecker]: L626 has no Hoare annotation [2020-07-28 18:59:32,411 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:32,412 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2020-07-28 18:59:32,412 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:32,413 WARN L170 areAnnotationChecker]: L653-1 has no Hoare annotation [2020-07-28 18:59:32,413 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2020-07-28 18:59:32,413 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2020-07-28 18:59:32,413 WARN L170 areAnnotationChecker]: L653-1 has no Hoare annotation [2020-07-28 18:59:32,413 WARN L170 areAnnotationChecker]: L653-1 has no Hoare annotation [2020-07-28 18:59:32,413 WARN L170 areAnnotationChecker]: L831 has no Hoare annotation [2020-07-28 18:59:32,413 WARN L170 areAnnotationChecker]: L465-3 has no Hoare annotation [2020-07-28 18:59:32,413 WARN L170 areAnnotationChecker]: L465-3 has no Hoare annotation [2020-07-28 18:59:32,413 WARN L170 areAnnotationChecker]: L685-1 has no Hoare annotation [2020-07-28 18:59:32,413 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2020-07-28 18:59:32,414 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2020-07-28 18:59:32,414 WARN L170 areAnnotationChecker]: L685-1 has no Hoare annotation [2020-07-28 18:59:32,414 WARN L170 areAnnotationChecker]: L685-1 has no Hoare annotation [2020-07-28 18:59:32,414 WARN L170 areAnnotationChecker]: L477 has no Hoare annotation [2020-07-28 18:59:32,414 WARN L170 areAnnotationChecker]: L477 has no Hoare annotation [2020-07-28 18:59:32,414 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-28 18:59:32,414 WARN L170 areAnnotationChecker]: L905-2 has no Hoare annotation [2020-07-28 18:59:32,414 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-28 18:59:32,414 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-28 18:59:32,414 WARN L170 areAnnotationChecker]: L689-1 has no Hoare annotation [2020-07-28 18:59:32,414 WARN L170 areAnnotationChecker]: L905-2 has no Hoare annotation [2020-07-28 18:59:32,415 WARN L170 areAnnotationChecker]: L905-2 has no Hoare annotation [2020-07-28 18:59:32,415 WARN L170 areAnnotationChecker]: L489 has no Hoare annotation [2020-07-28 18:59:32,415 WARN L170 areAnnotationChecker]: L489 has no Hoare annotation [2020-07-28 18:59:32,415 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-28 18:59:32,415 WARN L170 areAnnotationChecker]: L689-1 has no Hoare annotation [2020-07-28 18:59:32,415 WARN L170 areAnnotationChecker]: L689-1 has no Hoare annotation [2020-07-28 18:59:32,415 WARN L170 areAnnotationChecker]: L909-2 has no Hoare annotation [2020-07-28 18:59:32,416 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-28 18:59:32,416 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-28 18:59:32,416 WARN L170 areAnnotationChecker]: L909-2 has no Hoare annotation [2020-07-28 18:59:32,416 WARN L170 areAnnotationChecker]: L909-2 has no Hoare annotation [2020-07-28 18:59:32,417 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2020-07-28 18:59:32,417 WARN L170 areAnnotationChecker]: L465 has no Hoare annotation [2020-07-28 18:59:32,418 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 18:59:32,418 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 18:59:32,418 WARN L170 areAnnotationChecker]: L910-2 has no Hoare annotation [2020-07-28 18:59:32,418 WARN L170 areAnnotationChecker]: L910-2 has no Hoare annotation [2020-07-28 18:59:32,418 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2020-07-28 18:59:32,418 WARN L170 areAnnotationChecker]: L465 has no Hoare annotation [2020-07-28 18:59:32,418 WARN L170 areAnnotationChecker]: L465 has no Hoare annotation [2020-07-28 18:59:32,418 WARN L170 areAnnotationChecker]: L685 has no Hoare annotation [2020-07-28 18:59:32,419 WARN L170 areAnnotationChecker]: L799 has no Hoare annotation [2020-07-28 18:59:32,419 WARN L170 areAnnotationChecker]: L799 has no Hoare annotation [2020-07-28 18:59:32,419 WARN L170 areAnnotationChecker]: L448-1 has no Hoare annotation [2020-07-28 18:59:32,420 WARN L170 areAnnotationChecker]: L448-1 has no Hoare annotation [2020-07-28 18:59:32,420 WARN L170 areAnnotationChecker]: L555 has no Hoare annotation [2020-07-28 18:59:32,420 WARN L170 areAnnotationChecker]: L555 has no Hoare annotation [2020-07-28 18:59:32,420 WARN L170 areAnnotationChecker]: L685 has no Hoare annotation [2020-07-28 18:59:32,420 WARN L170 areAnnotationChecker]: L685 has no Hoare annotation [2020-07-28 18:59:32,424 WARN L170 areAnnotationChecker]: L555-1 has no Hoare annotation [2020-07-28 18:59:32,424 WARN L170 areAnnotationChecker]: L555-1 has no Hoare annotation [2020-07-28 18:59:32,424 WARN L170 areAnnotationChecker]: L905 has no Hoare annotation [2020-07-28 18:59:32,424 WARN L170 areAnnotationChecker]: L465-6 has no Hoare annotation [2020-07-28 18:59:32,424 WARN L170 areAnnotationChecker]: L465-6 has no Hoare annotation [2020-07-28 18:59:32,424 WARN L170 areAnnotationChecker]: L685-2 has no Hoare annotation [2020-07-28 18:59:32,424 WARN L170 areAnnotationChecker]: L689 has no Hoare annotation [2020-07-28 18:59:32,425 WARN L170 areAnnotationChecker]: L905 has no Hoare annotation [2020-07-28 18:59:32,425 WARN L170 areAnnotationChecker]: L905 has no Hoare annotation [2020-07-28 18:59:32,425 WARN L170 areAnnotationChecker]: L685-2 has no Hoare annotation [2020-07-28 18:59:32,425 WARN L170 areAnnotationChecker]: L685-2 has no Hoare annotation [2020-07-28 18:59:32,425 WARN L170 areAnnotationChecker]: L689 has no Hoare annotation [2020-07-28 18:59:32,425 WARN L170 areAnnotationChecker]: L689 has no Hoare annotation [2020-07-28 18:59:32,425 WARN L170 areAnnotationChecker]: L909 has no Hoare annotation [2020-07-28 18:59:32,426 WARN L170 areAnnotationChecker]: L905-4 has no Hoare annotation [2020-07-28 18:59:32,426 WARN L170 areAnnotationChecker]: L909 has no Hoare annotation [2020-07-28 18:59:32,426 WARN L170 areAnnotationChecker]: L909 has no Hoare annotation [2020-07-28 18:59:32,426 WARN L170 areAnnotationChecker]: L689-2 has no Hoare annotation [2020-07-28 18:59:32,426 WARN L170 areAnnotationChecker]: L905-4 has no Hoare annotation [2020-07-28 18:59:32,426 WARN L170 areAnnotationChecker]: L905-4 has no Hoare annotation [2020-07-28 18:59:32,426 WARN L170 areAnnotationChecker]: L910 has no Hoare annotation [2020-07-28 18:59:32,426 WARN L170 areAnnotationChecker]: L910 has no Hoare annotation [2020-07-28 18:59:32,426 WARN L170 areAnnotationChecker]: L689-2 has no Hoare annotation [2020-07-28 18:59:32,427 WARN L170 areAnnotationChecker]: L689-2 has no Hoare annotation [2020-07-28 18:59:32,427 WARN L170 areAnnotationChecker]: L909-4 has no Hoare annotation [2020-07-28 18:59:32,427 WARN L170 areAnnotationChecker]: L448 has no Hoare annotation [2020-07-28 18:59:32,427 WARN L170 areAnnotationChecker]: L448 has no Hoare annotation [2020-07-28 18:59:32,427 WARN L170 areAnnotationChecker]: L909-4 has no Hoare annotation [2020-07-28 18:59:32,427 WARN L170 areAnnotationChecker]: L909-4 has no Hoare annotation [2020-07-28 18:59:32,427 WARN L170 areAnnotationChecker]: L910-4 has no Hoare annotation [2020-07-28 18:59:32,427 WARN L170 areAnnotationChecker]: L910-4 has no Hoare annotation [2020-07-28 18:59:32,427 WARN L170 areAnnotationChecker]: L448-2 has no Hoare annotation [2020-07-28 18:59:32,428 WARN L170 areAnnotationChecker]: L448-2 has no Hoare annotation [2020-07-28 18:59:32,428 INFO L163 areAnnotationChecker]: CFG has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:59:32,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:59:32 BoogieIcfgContainer [2020-07-28 18:59:32,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:59:32,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:59:32,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:59:32,448 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:59:32,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:27" (3/4) ... [2020-07-28 18:59:32,454 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:59:32,474 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:59:32,475 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:59:32,476 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:59:32,477 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:59:32,477 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:59:32,478 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:32,479 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:32,513 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 18:59:32,592 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:59:32,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:59:32,596 INFO L168 Benchmark]: Toolchain (without parser) took 7790.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.9 MB). Free memory was 952.2 MB in the beginning and 1.3 GB in the end (delta: -299.9 MB). Peak memory consumption was 27.0 kB. Max. memory is 11.5 GB. [2020-07-28 18:59:32,596 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:32,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:32,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:32,598 INFO L168 Benchmark]: Boogie Preprocessor took 46.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:32,599 INFO L168 Benchmark]: RCFGBuilder took 1411.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 937.2 MB in the end (delta: 148.2 MB). Peak memory consumption was 148.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:32,599 INFO L168 Benchmark]: TraceAbstraction took 5356.80 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 188.2 MB). Free memory was 937.2 MB in the beginning and 1.3 GB in the end (delta: -324.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:32,599 INFO L168 Benchmark]: Witness Printer took 145.79 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:32,602 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 0.81 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 719.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1411.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 937.2 MB in the end (delta: 148.2 MB). Peak memory consumption was 148.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5356.80 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 188.2 MB). Free memory was 937.2 MB in the beginning and 1.3 GB in the end (delta: -324.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 145.79 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 448]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 448]: 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 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 325 SDtfs, 306 SDslu, 327 SDs, 0 SdLazy, 65 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...