./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87372a1a98819a475f7685500d732b7a3f8e7449 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:01:28,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:28,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:28,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:28,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:28,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:28,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:28,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:28,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:28,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:28,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:28,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:28,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:28,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:28,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:28,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:28,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:28,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:28,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:28,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:28,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:28,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:28,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:28,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:28,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:28,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:28,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:28,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:28,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:28,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:28,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:28,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:28,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:28,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:28,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:28,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:28,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:28,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:28,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:28,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:28,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:28,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:28,363 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:28,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:28,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:28,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:28,372 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:28,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:28,374 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:28,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:28,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:28,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:28,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:28,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:28,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:28,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:28,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:28,378 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:28,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:28,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:28,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:28,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:28,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:28,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:28,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:28,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:28,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:28,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:28,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:28,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:28,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:28,385 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 -> 87372a1a98819a475f7685500d732b7a3f8e7449 [2020-07-28 19:01:28,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:28,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:28,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:28,800 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:28,801 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:28,802 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c [2020-07-28 19:01:28,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06038514/5f1c7de3599343af9f8248757176ee9f/FLAG953849bb3 [2020-07-28 19:01:29,398 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:29,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c [2020-07-28 19:01:29,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06038514/5f1c7de3599343af9f8248757176ee9f/FLAG953849bb3 [2020-07-28 19:01:29,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06038514/5f1c7de3599343af9f8248757176ee9f [2020-07-28 19:01:29,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:29,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:29,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:29,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:29,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:29,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:29" (1/1) ... [2020-07-28 19:01:29,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a37da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:29, skipping insertion in model container [2020-07-28 19:01:29,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:29" (1/1) ... [2020-07-28 19:01:29,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:29,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:30,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:30,324 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:30,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:30,444 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:30,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:30 WrapperNode [2020-07-28 19:01:30,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:30,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:30,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:30,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:30,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:30" (1/1) ... [2020-07-28 19:01:30,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:30" (1/1) ... [2020-07-28 19:01:30,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:30,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:30,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:30,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:30,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:30" (1/1) ... [2020-07-28 19:01:30,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:30" (1/1) ... [2020-07-28 19:01:30,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:30" (1/1) ... [2020-07-28 19:01:30,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:30" (1/1) ... [2020-07-28 19:01:30,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:30" (1/1) ... [2020-07-28 19:01:30,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:30" (1/1) ... [2020-07-28 19:01:30,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:30" (1/1) ... [2020-07-28 19:01:30,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:30,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:30,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:30,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:30,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:30,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:30,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:32,036 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:32,036 INFO L295 CfgBuilder]: Removed 102 assume(true) statements. [2020-07-28 19:01:32,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:32 BoogieIcfgContainer [2020-07-28 19:01:32,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:32,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:32,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:32,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:32,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:29" (1/3) ... [2020-07-28 19:01:32,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10eb24f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:32, skipping insertion in model container [2020-07-28 19:01:32,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:30" (2/3) ... [2020-07-28 19:01:32,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10eb24f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:32, skipping insertion in model container [2020-07-28 19:01:32,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:32" (3/3) ... [2020-07-28 19:01:32,051 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product25.cil.c [2020-07-28 19:01:32,061 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:32,068 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:32,083 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:32,108 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:32,109 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:32,109 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:32,109 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:32,111 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:32,111 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:32,111 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:32,112 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:32,131 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2020-07-28 19:01:32,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:32,139 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:32,140 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 19:01:32,141 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:32,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:32,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1940604754, now seen corresponding path program 1 times [2020-07-28 19:01:32,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:32,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667371619] [2020-07-28 19:01:32,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:32,462 INFO L280 TraceCheckUtils]: 0: Hoare triple {84#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.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; {84#true} is VALID [2020-07-28 19:01:32,463 INFO L280 TraceCheckUtils]: 1: Hoare triple {84#true} havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {84#true} is VALID [2020-07-28 19:01:32,464 INFO L280 TraceCheckUtils]: 2: Hoare triple {84#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {84#true} is VALID [2020-07-28 19:01:32,464 INFO L280 TraceCheckUtils]: 3: Hoare triple {84#true} main_#t~ret49 := valid_product_#res;assume -2147483648 <= main_#t~ret49 && main_#t~ret49 <= 2147483647;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; {84#true} is VALID [2020-07-28 19:01:32,465 INFO L280 TraceCheckUtils]: 4: Hoare triple {84#true} assume 0 != main_~tmp~4; {84#true} is VALID [2020-07-28 19:01:32,465 INFO L280 TraceCheckUtils]: 5: Hoare triple {84#true} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {84#true} is VALID [2020-07-28 19:01:32,467 INFO L280 TraceCheckUtils]: 6: Hoare triple {84#true} assume !true; {85#false} is VALID [2020-07-28 19:01:32,467 INFO L280 TraceCheckUtils]: 7: Hoare triple {85#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {85#false} is VALID [2020-07-28 19:01:32,467 INFO L280 TraceCheckUtils]: 8: Hoare triple {85#false} assume !(0 != ~pumpRunning~0); {85#false} is VALID [2020-07-28 19:01:32,468 INFO L280 TraceCheckUtils]: 9: Hoare triple {85#false} assume !(0 != ~systemActive~0); {85#false} is VALID [2020-07-28 19:01:32,468 INFO L280 TraceCheckUtils]: 10: Hoare triple {85#false} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {85#false} is VALID [2020-07-28 19:01:32,469 INFO L280 TraceCheckUtils]: 11: Hoare triple {85#false} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {85#false} is VALID [2020-07-28 19:01:32,469 INFO L280 TraceCheckUtils]: 12: Hoare triple {85#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {85#false} is VALID [2020-07-28 19:01:32,469 INFO L280 TraceCheckUtils]: 13: Hoare triple {85#false} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {85#false} is VALID [2020-07-28 19:01:32,470 INFO L280 TraceCheckUtils]: 14: Hoare triple {85#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {85#false} is VALID [2020-07-28 19:01:32,470 INFO L280 TraceCheckUtils]: 15: Hoare triple {85#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {85#false} is VALID [2020-07-28 19:01:32,471 INFO L280 TraceCheckUtils]: 16: Hoare triple {85#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {85#false} is VALID [2020-07-28 19:01:32,471 INFO L280 TraceCheckUtils]: 17: Hoare triple {85#false} assume !false; {85#false} is VALID [2020-07-28 19:01:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:32,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667371619] [2020-07-28 19:01:32,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:32,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:32,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235066026] [2020-07-28 19:01:32,485 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:32,487 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:32,491 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:32,537 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 19:01:32,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:32,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:32,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:32,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:32,550 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2020-07-28 19:01:32,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:32,786 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2020-07-28 19:01:32,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:32,787 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:32,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:32,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 233 transitions. [2020-07-28 19:01:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:32,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 233 transitions. [2020-07-28 19:01:32,811 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 233 transitions. [2020-07-28 19:01:33,156 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 233 edges. 233 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:33,179 INFO L225 Difference]: With dead ends: 156 [2020-07-28 19:01:33,179 INFO L226 Difference]: Without dead ends: 77 [2020-07-28 19:01:33,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:33,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-07-28 19:01:33,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-07-28 19:01:33,252 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:33,252 INFO L82 GeneralOperation]: Start isEquivalent. First operand 77 states. Second operand 77 states. [2020-07-28 19:01:33,253 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 77 states. [2020-07-28 19:01:33,253 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 77 states. [2020-07-28 19:01:33,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:33,259 INFO L93 Difference]: Finished difference Result 77 states and 108 transitions. [2020-07-28 19:01:33,259 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2020-07-28 19:01:33,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:33,260 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:33,260 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 77 states. [2020-07-28 19:01:33,261 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 77 states. [2020-07-28 19:01:33,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:33,266 INFO L93 Difference]: Finished difference Result 77 states and 108 transitions. [2020-07-28 19:01:33,266 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2020-07-28 19:01:33,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:33,268 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:33,268 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:33,268 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:33,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-28 19:01:33,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 108 transitions. [2020-07-28 19:01:33,275 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 108 transitions. Word has length 18 [2020-07-28 19:01:33,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:33,275 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 108 transitions. [2020-07-28 19:01:33,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:33,276 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2020-07-28 19:01:33,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:33,277 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:33,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:33,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:33,278 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:33,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:33,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1815937872, now seen corresponding path program 1 times [2020-07-28 19:01:33,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:33,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290825253] [2020-07-28 19:01:33,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:33,428 INFO L280 TraceCheckUtils]: 0: Hoare triple {569#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.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; {569#true} is VALID [2020-07-28 19:01:33,428 INFO L280 TraceCheckUtils]: 1: Hoare triple {569#true} havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {569#true} is VALID [2020-07-28 19:01:33,429 INFO L280 TraceCheckUtils]: 2: Hoare triple {569#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {569#true} is VALID [2020-07-28 19:01:33,429 INFO L280 TraceCheckUtils]: 3: Hoare triple {569#true} main_#t~ret49 := valid_product_#res;assume -2147483648 <= main_#t~ret49 && main_#t~ret49 <= 2147483647;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; {569#true} is VALID [2020-07-28 19:01:33,430 INFO L280 TraceCheckUtils]: 4: Hoare triple {569#true} assume 0 != main_~tmp~4; {569#true} is VALID [2020-07-28 19:01:33,431 INFO L280 TraceCheckUtils]: 5: Hoare triple {569#true} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {571#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:33,434 INFO L280 TraceCheckUtils]: 6: Hoare triple {571#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {571#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:33,435 INFO L280 TraceCheckUtils]: 7: Hoare triple {571#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {570#false} is VALID [2020-07-28 19:01:33,435 INFO L280 TraceCheckUtils]: 8: Hoare triple {570#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {570#false} is VALID [2020-07-28 19:01:33,435 INFO L280 TraceCheckUtils]: 9: Hoare triple {570#false} assume !(0 != ~pumpRunning~0); {570#false} is VALID [2020-07-28 19:01:33,436 INFO L280 TraceCheckUtils]: 10: Hoare triple {570#false} assume !(0 != ~systemActive~0); {570#false} is VALID [2020-07-28 19:01:33,436 INFO L280 TraceCheckUtils]: 11: Hoare triple {570#false} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {570#false} is VALID [2020-07-28 19:01:33,436 INFO L280 TraceCheckUtils]: 12: Hoare triple {570#false} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {570#false} is VALID [2020-07-28 19:01:33,437 INFO L280 TraceCheckUtils]: 13: Hoare triple {570#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {570#false} is VALID [2020-07-28 19:01:33,437 INFO L280 TraceCheckUtils]: 14: Hoare triple {570#false} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {570#false} is VALID [2020-07-28 19:01:33,437 INFO L280 TraceCheckUtils]: 15: Hoare triple {570#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {570#false} is VALID [2020-07-28 19:01:33,438 INFO L280 TraceCheckUtils]: 16: Hoare triple {570#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {570#false} is VALID [2020-07-28 19:01:33,438 INFO L280 TraceCheckUtils]: 17: Hoare triple {570#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {570#false} is VALID [2020-07-28 19:01:33,438 INFO L280 TraceCheckUtils]: 18: Hoare triple {570#false} assume !false; {570#false} is VALID [2020-07-28 19:01:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:33,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290825253] [2020-07-28 19:01:33,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:33,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:33,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106643386] [2020-07-28 19:01:33,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:33,443 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:33,443 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:33,484 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:33,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:33,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:33,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:33,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:33,486 INFO L87 Difference]: Start difference. First operand 77 states and 108 transitions. Second operand 3 states. [2020-07-28 19:01:33,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:33,672 INFO L93 Difference]: Finished difference Result 77 states and 108 transitions. [2020-07-28 19:01:33,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:33,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:33,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:33,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2020-07-28 19:01:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2020-07-28 19:01:33,677 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 108 transitions. [2020-07-28 19:01:33,865 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:33,866 INFO L225 Difference]: With dead ends: 77 [2020-07-28 19:01:33,868 INFO L226 Difference]: Without dead ends: 35 [2020-07-28 19:01:33,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:33,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-28 19:01:33,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-07-28 19:01:33,889 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:33,889 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:33,889 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:33,890 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:33,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:33,894 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 19:01:33,894 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 19:01:33,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:33,895 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:33,895 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:33,896 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:33,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:33,902 INFO L93 Difference]: Finished difference Result 35 states and 49 transitions. [2020-07-28 19:01:33,902 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 19:01:33,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:33,903 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:33,903 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:33,903 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-28 19:01:33,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-07-28 19:01:33,905 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-07-28 19:01:33,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:33,906 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-07-28 19:01:33,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:33,906 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-07-28 19:01:33,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:33,908 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:33,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:33,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:33,909 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:33,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:33,909 INFO L82 PathProgramCache]: Analyzing trace with hash -163835793, now seen corresponding path program 1 times [2020-07-28 19:01:33,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:33,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748894321] [2020-07-28 19:01:33,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:34,072 INFO L280 TraceCheckUtils]: 0: Hoare triple {800#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.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; {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,074 INFO L280 TraceCheckUtils]: 1: Hoare triple {802#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,074 INFO L280 TraceCheckUtils]: 2: Hoare triple {802#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,075 INFO L280 TraceCheckUtils]: 3: Hoare triple {802#(= 1 ~systemActive~0)} main_#t~ret49 := valid_product_#res;assume -2147483648 <= main_#t~ret49 && main_#t~ret49 <= 2147483647;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,076 INFO L280 TraceCheckUtils]: 4: Hoare triple {802#(= 1 ~systemActive~0)} assume 0 != main_~tmp~4; {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,077 INFO L280 TraceCheckUtils]: 5: Hoare triple {802#(= 1 ~systemActive~0)} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,078 INFO L280 TraceCheckUtils]: 6: Hoare triple {802#(= 1 ~systemActive~0)} assume !false; {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,078 INFO L280 TraceCheckUtils]: 7: Hoare triple {802#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,079 INFO L280 TraceCheckUtils]: 8: Hoare triple {802#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,080 INFO L280 TraceCheckUtils]: 9: Hoare triple {802#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~8); {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,081 INFO L280 TraceCheckUtils]: 10: Hoare triple {802#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,082 INFO L280 TraceCheckUtils]: 11: Hoare triple {802#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~2); {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,082 INFO L280 TraceCheckUtils]: 12: Hoare triple {802#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,083 INFO L280 TraceCheckUtils]: 13: Hoare triple {802#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,084 INFO L280 TraceCheckUtils]: 14: Hoare triple {802#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {802#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:34,085 INFO L280 TraceCheckUtils]: 15: Hoare triple {802#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {801#false} is VALID [2020-07-28 19:01:34,085 INFO L280 TraceCheckUtils]: 16: Hoare triple {801#false} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {801#false} is VALID [2020-07-28 19:01:34,085 INFO L280 TraceCheckUtils]: 17: Hoare triple {801#false} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {801#false} is VALID [2020-07-28 19:01:34,086 INFO L280 TraceCheckUtils]: 18: Hoare triple {801#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {801#false} is VALID [2020-07-28 19:01:34,086 INFO L280 TraceCheckUtils]: 19: Hoare triple {801#false} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {801#false} is VALID [2020-07-28 19:01:34,086 INFO L280 TraceCheckUtils]: 20: Hoare triple {801#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {801#false} is VALID [2020-07-28 19:01:34,087 INFO L280 TraceCheckUtils]: 21: Hoare triple {801#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {801#false} is VALID [2020-07-28 19:01:34,087 INFO L280 TraceCheckUtils]: 22: Hoare triple {801#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {801#false} is VALID [2020-07-28 19:01:34,087 INFO L280 TraceCheckUtils]: 23: Hoare triple {801#false} assume !false; {801#false} is VALID [2020-07-28 19:01:34,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:34,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748894321] [2020-07-28 19:01:34,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:34,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:34,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182885017] [2020-07-28 19:01:34,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:34,091 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:34,091 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:34,130 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:34,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:34,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:34,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:34,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:34,131 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-07-28 19:01:34,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:34,280 INFO L93 Difference]: Finished difference Result 64 states and 92 transitions. [2020-07-28 19:01:34,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:34,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:34,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:34,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 92 transitions. [2020-07-28 19:01:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:34,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 92 transitions. [2020-07-28 19:01:34,284 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 92 transitions. [2020-07-28 19:01:34,387 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:34,388 INFO L225 Difference]: With dead ends: 64 [2020-07-28 19:01:34,388 INFO L226 Difference]: Without dead ends: 35 [2020-07-28 19:01:34,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:34,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-28 19:01:34,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-07-28 19:01:34,414 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:34,414 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:34,414 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:34,414 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:34,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:34,417 INFO L93 Difference]: Finished difference Result 35 states and 48 transitions. [2020-07-28 19:01:34,417 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-07-28 19:01:34,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:34,418 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:34,419 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:34,419 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 19:01:34,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:34,420 INFO L93 Difference]: Finished difference Result 35 states and 48 transitions. [2020-07-28 19:01:34,421 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-07-28 19:01:34,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:34,422 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:34,422 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:34,422 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:34,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-28 19:01:34,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2020-07-28 19:01:34,424 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2020-07-28 19:01:34,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:34,425 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2020-07-28 19:01:34,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:34,425 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-07-28 19:01:34,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:34,426 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:34,426 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 19:01:34,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:34,427 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:34,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:34,428 INFO L82 PathProgramCache]: Analyzing trace with hash 993963754, now seen corresponding path program 1 times [2020-07-28 19:01:34,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:34,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857757104] [2020-07-28 19:01:34,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:34,577 INFO L280 TraceCheckUtils]: 0: Hoare triple {1010#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.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; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,578 INFO L280 TraceCheckUtils]: 1: Hoare triple {1012#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,578 INFO L280 TraceCheckUtils]: 2: Hoare triple {1012#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,579 INFO L280 TraceCheckUtils]: 3: Hoare triple {1012#(= 1 ~waterLevel~0)} main_#t~ret49 := valid_product_#res;assume -2147483648 <= main_#t~ret49 && main_#t~ret49 <= 2147483647;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,580 INFO L280 TraceCheckUtils]: 4: Hoare triple {1012#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~4; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,581 INFO L280 TraceCheckUtils]: 5: Hoare triple {1012#(= 1 ~waterLevel~0)} havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,582 INFO L280 TraceCheckUtils]: 6: Hoare triple {1012#(= 1 ~waterLevel~0)} assume !false; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,584 INFO L280 TraceCheckUtils]: 7: Hoare triple {1012#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,585 INFO L280 TraceCheckUtils]: 8: Hoare triple {1012#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,586 INFO L280 TraceCheckUtils]: 9: Hoare triple {1012#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~8); {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,588 INFO L280 TraceCheckUtils]: 10: Hoare triple {1012#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,589 INFO L280 TraceCheckUtils]: 11: Hoare triple {1012#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,590 INFO L280 TraceCheckUtils]: 12: Hoare triple {1012#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,591 INFO L280 TraceCheckUtils]: 13: Hoare triple {1012#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,593 INFO L280 TraceCheckUtils]: 14: Hoare triple {1012#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,594 INFO L280 TraceCheckUtils]: 15: Hoare triple {1012#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,595 INFO L280 TraceCheckUtils]: 16: Hoare triple {1012#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,596 INFO L280 TraceCheckUtils]: 17: Hoare triple {1012#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,598 INFO L280 TraceCheckUtils]: 18: Hoare triple {1012#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {1012#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:34,600 INFO L280 TraceCheckUtils]: 19: Hoare triple {1012#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; {1013#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:34,601 INFO L280 TraceCheckUtils]: 20: Hoare triple {1013#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {1014#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} is VALID [2020-07-28 19:01:34,602 INFO L280 TraceCheckUtils]: 21: Hoare triple {1014#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; {1011#false} is VALID [2020-07-28 19:01:34,603 INFO L280 TraceCheckUtils]: 22: Hoare triple {1011#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {1011#false} is VALID [2020-07-28 19:01:34,603 INFO L280 TraceCheckUtils]: 23: Hoare triple {1011#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {1011#false} is VALID [2020-07-28 19:01:34,603 INFO L280 TraceCheckUtils]: 24: Hoare triple {1011#false} assume !false; {1011#false} is VALID [2020-07-28 19:01:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:34,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857757104] [2020-07-28 19:01:34,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:34,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:34,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708094687] [2020-07-28 19:01:34,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:01:34,607 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:34,607 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:34,648 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 19:01:34,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:34,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:34,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:34,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:34,649 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2020-07-28 19:01:35,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:35,346 INFO L93 Difference]: Finished difference Result 172 states and 255 transitions. [2020-07-28 19:01:35,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:35,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:01:35,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:35,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:35,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 255 transitions. [2020-07-28 19:01:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 255 transitions. [2020-07-28 19:01:35,355 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 255 transitions. [2020-07-28 19:01:35,659 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 255 edges. 255 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:35,666 INFO L225 Difference]: With dead ends: 172 [2020-07-28 19:01:35,667 INFO L226 Difference]: Without dead ends: 143 [2020-07-28 19:01:35,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:35,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-28 19:01:35,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 60. [2020-07-28 19:01:35,726 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:35,726 INFO L82 GeneralOperation]: Start isEquivalent. First operand 143 states. Second operand 60 states. [2020-07-28 19:01:35,726 INFO L74 IsIncluded]: Start isIncluded. First operand 143 states. Second operand 60 states. [2020-07-28 19:01:35,726 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 60 states. [2020-07-28 19:01:35,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:35,733 INFO L93 Difference]: Finished difference Result 143 states and 206 transitions. [2020-07-28 19:01:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 206 transitions. [2020-07-28 19:01:35,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:35,734 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:35,735 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 143 states. [2020-07-28 19:01:35,735 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 143 states. [2020-07-28 19:01:35,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:35,742 INFO L93 Difference]: Finished difference Result 143 states and 206 transitions. [2020-07-28 19:01:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 206 transitions. [2020-07-28 19:01:35,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:35,743 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:35,743 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:35,743 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:35,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-28 19:01:35,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2020-07-28 19:01:35,746 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 25 [2020-07-28 19:01:35,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:35,746 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2020-07-28 19:01:35,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-07-28 19:01:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:01:35,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:35,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:35,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:35,748 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:35,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:35,748 INFO L82 PathProgramCache]: Analyzing trace with hash -965345236, now seen corresponding path program 1 times [2020-07-28 19:01:35,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:35,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788609923] [2020-07-28 19:01:35,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:35,841 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:35,917 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:35,960 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:35,960 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:35,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:36,081 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:36,081 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:36,081 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-28 19:01:36,082 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-28 19:01:36,082 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-28 19:01:36,082 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-28 19:01:36,082 WARN L170 areAnnotationChecker]: L646 has no Hoare annotation [2020-07-28 19:01:36,082 WARN L170 areAnnotationChecker]: L670-1 has no Hoare annotation [2020-07-28 19:01:36,082 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 19:01:36,083 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 19:01:36,083 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 19:01:36,083 WARN L170 areAnnotationChecker]: L679 has no Hoare annotation [2020-07-28 19:01:36,083 WARN L170 areAnnotationChecker]: L912 has no Hoare annotation [2020-07-28 19:01:36,083 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 19:01:36,083 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 19:01:36,084 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:36,084 WARN L170 areAnnotationChecker]: L693-1 has no Hoare annotation [2020-07-28 19:01:36,084 WARN L170 areAnnotationChecker]: L693-1 has no Hoare annotation [2020-07-28 19:01:36,084 WARN L170 areAnnotationChecker]: L868 has no Hoare annotation [2020-07-28 19:01:36,084 WARN L170 areAnnotationChecker]: L464-3 has no Hoare annotation [2020-07-28 19:01:36,084 WARN L170 areAnnotationChecker]: L464-3 has no Hoare annotation [2020-07-28 19:01:36,085 WARN L170 areAnnotationChecker]: L693-2 has no Hoare annotation [2020-07-28 19:01:36,085 WARN L170 areAnnotationChecker]: L693-2 has no Hoare annotation [2020-07-28 19:01:36,085 WARN L170 areAnnotationChecker]: L876 has no Hoare annotation [2020-07-28 19:01:36,085 WARN L170 areAnnotationChecker]: L876 has no Hoare annotation [2020-07-28 19:01:36,085 WARN L170 areAnnotationChecker]: L725-1 has no Hoare annotation [2020-07-28 19:01:36,085 WARN L170 areAnnotationChecker]: L725-1 has no Hoare annotation [2020-07-28 19:01:36,086 WARN L170 areAnnotationChecker]: L700-1 has no Hoare annotation [2020-07-28 19:01:36,086 WARN L170 areAnnotationChecker]: L476 has no Hoare annotation [2020-07-28 19:01:36,086 WARN L170 areAnnotationChecker]: L476 has no Hoare annotation [2020-07-28 19:01:36,086 WARN L170 areAnnotationChecker]: L876-1 has no Hoare annotation [2020-07-28 19:01:36,086 WARN L170 areAnnotationChecker]: L542-1 has no Hoare annotation [2020-07-28 19:01:36,086 WARN L170 areAnnotationChecker]: L501-1 has no Hoare annotation [2020-07-28 19:01:36,087 WARN L170 areAnnotationChecker]: L886 has no Hoare annotation [2020-07-28 19:01:36,087 WARN L170 areAnnotationChecker]: L886 has no Hoare annotation [2020-07-28 19:01:36,087 WARN L170 areAnnotationChecker]: L845-3 has no Hoare annotation [2020-07-28 19:01:36,087 WARN L170 areAnnotationChecker]: L845-3 has no Hoare annotation [2020-07-28 19:01:36,087 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 19:01:36,087 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 19:01:36,088 WARN L170 areAnnotationChecker]: L488 has no Hoare annotation [2020-07-28 19:01:36,088 WARN L170 areAnnotationChecker]: L488 has no Hoare annotation [2020-07-28 19:01:36,088 WARN L170 areAnnotationChecker]: L886-1 has no Hoare annotation [2020-07-28 19:01:36,088 WARN L170 areAnnotationChecker]: L845-5 has no Hoare annotation [2020-07-28 19:01:36,088 WARN L170 areAnnotationChecker]: L59-3 has no Hoare annotation [2020-07-28 19:01:36,088 WARN L170 areAnnotationChecker]: L533-1 has no Hoare annotation [2020-07-28 19:01:36,089 WARN L170 areAnnotationChecker]: L896 has no Hoare annotation [2020-07-28 19:01:36,089 WARN L170 areAnnotationChecker]: L896 has no Hoare annotation [2020-07-28 19:01:36,089 WARN L170 areAnnotationChecker]: L851-1 has no Hoare annotation [2020-07-28 19:01:36,089 WARN L170 areAnnotationChecker]: L597-2 has no Hoare annotation [2020-07-28 19:01:36,089 WARN L170 areAnnotationChecker]: L597-2 has no Hoare annotation [2020-07-28 19:01:36,089 WARN L170 areAnnotationChecker]: L597-2 has no Hoare annotation [2020-07-28 19:01:36,090 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 19:01:36,090 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 19:01:36,090 WARN L170 areAnnotationChecker]: L902-2 has no Hoare annotation [2020-07-28 19:01:36,090 WARN L170 areAnnotationChecker]: L902-2 has no Hoare annotation [2020-07-28 19:01:36,090 WARN L170 areAnnotationChecker]: L902 has no Hoare annotation [2020-07-28 19:01:36,090 WARN L170 areAnnotationChecker]: L902 has no Hoare annotation [2020-07-28 19:01:36,090 WARN L170 areAnnotationChecker]: L729-1 has no Hoare annotation [2020-07-28 19:01:36,091 WARN L170 areAnnotationChecker]: L729-1 has no Hoare annotation [2020-07-28 19:01:36,091 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-28 19:01:36,091 WARN L170 areAnnotationChecker]: L796-1 has no Hoare annotation [2020-07-28 19:01:36,091 WARN L170 areAnnotationChecker]: L464 has no Hoare annotation [2020-07-28 19:01:36,091 WARN L170 areAnnotationChecker]: L464 has no Hoare annotation [2020-07-28 19:01:36,091 WARN L170 areAnnotationChecker]: L693 has no Hoare annotation [2020-07-28 19:01:36,092 WARN L170 areAnnotationChecker]: L693 has no Hoare annotation [2020-07-28 19:01:36,092 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-28 19:01:36,092 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-28 19:01:36,092 WARN L170 areAnnotationChecker]: L63-2 has no Hoare annotation [2020-07-28 19:01:36,092 WARN L170 areAnnotationChecker]: L63-2 has no Hoare annotation [2020-07-28 19:01:36,092 WARN L170 areAnnotationChecker]: L725 has no Hoare annotation [2020-07-28 19:01:36,093 WARN L170 areAnnotationChecker]: L725 has no Hoare annotation [2020-07-28 19:01:36,093 WARN L170 areAnnotationChecker]: L700 has no Hoare annotation [2020-07-28 19:01:36,093 WARN L170 areAnnotationChecker]: L601-1 has no Hoare annotation [2020-07-28 19:01:36,093 WARN L170 areAnnotationChecker]: L601-1 has no Hoare annotation [2020-07-28 19:01:36,093 WARN L170 areAnnotationChecker]: L82-1 has no Hoare annotation [2020-07-28 19:01:36,093 WARN L170 areAnnotationChecker]: L82-1 has no Hoare annotation [2020-07-28 19:01:36,094 WARN L170 areAnnotationChecker]: L542 has no Hoare annotation [2020-07-28 19:01:36,094 WARN L170 areAnnotationChecker]: L501 has no Hoare annotation [2020-07-28 19:01:36,094 WARN L170 areAnnotationChecker]: L464-6 has no Hoare annotation [2020-07-28 19:01:36,094 WARN L170 areAnnotationChecker]: L464-6 has no Hoare annotation [2020-07-28 19:01:36,094 WARN L170 areAnnotationChecker]: L693-3 has no Hoare annotation [2020-07-28 19:01:36,094 WARN L170 areAnnotationChecker]: L693-3 has no Hoare annotation [2020-07-28 19:01:36,095 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-28 19:01:36,095 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-28 19:01:36,095 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:01:36,095 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:01:36,095 WARN L170 areAnnotationChecker]: L725-2 has no Hoare annotation [2020-07-28 19:01:36,095 WARN L170 areAnnotationChecker]: L725-2 has no Hoare annotation [2020-07-28 19:01:36,095 WARN L170 areAnnotationChecker]: L700-2 has no Hoare annotation [2020-07-28 19:01:36,096 WARN L170 areAnnotationChecker]: L845-2 has no Hoare annotation [2020-07-28 19:01:36,096 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-28 19:01:36,096 WARN L170 areAnnotationChecker]: L542-2 has no Hoare annotation [2020-07-28 19:01:36,096 WARN L170 areAnnotationChecker]: L501-2 has no Hoare annotation [2020-07-28 19:01:36,096 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-28 19:01:36,096 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 19:01:36,097 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 19:01:36,097 WARN L170 areAnnotationChecker]: L845-6 has no Hoare annotation [2020-07-28 19:01:36,097 WARN L170 areAnnotationChecker]: L845-6 has no Hoare annotation [2020-07-28 19:01:36,097 WARN L170 areAnnotationChecker]: L53-4 has no Hoare annotation [2020-07-28 19:01:36,097 WARN L170 areAnnotationChecker]: L53-4 has no Hoare annotation [2020-07-28 19:01:36,097 WARN L170 areAnnotationChecker]: L729 has no Hoare annotation [2020-07-28 19:01:36,098 WARN L170 areAnnotationChecker]: L729 has no Hoare annotation [2020-07-28 19:01:36,098 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 19:01:36,098 WARN L170 areAnnotationChecker]: L845-8 has no Hoare annotation [2020-07-28 19:01:36,098 WARN L170 areAnnotationChecker]: L59-5 has no Hoare annotation [2020-07-28 19:01:36,098 WARN L170 areAnnotationChecker]: L533-2 has no Hoare annotation [2020-07-28 19:01:36,098 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 19:01:36,098 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 19:01:36,099 WARN L170 areAnnotationChecker]: L851-2 has no Hoare annotation [2020-07-28 19:01:36,099 WARN L170 areAnnotationChecker]: L59-4 has no Hoare annotation [2020-07-28 19:01:36,099 WARN L170 areAnnotationChecker]: L59-4 has no Hoare annotation [2020-07-28 19:01:36,099 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 19:01:36,099 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 19:01:36,100 WARN L170 areAnnotationChecker]: L729-2 has no Hoare annotation [2020-07-28 19:01:36,100 WARN L170 areAnnotationChecker]: L729-2 has no Hoare annotation [2020-07-28 19:01:36,100 WARN L170 areAnnotationChecker]: L796-2 has no Hoare annotation [2020-07-28 19:01:36,100 WARN L170 areAnnotationChecker]: L63-4 has no Hoare annotation [2020-07-28 19:01:36,100 WARN L170 areAnnotationChecker]: L63-4 has no Hoare annotation [2020-07-28 19:01:36,100 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-28 19:01:36,101 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-28 19:01:36,101 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:01:36,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:36 BoogieIcfgContainer [2020-07-28 19:01:36,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:36,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:36,104 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:36,105 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:36,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:32" (3/4) ... [2020-07-28 19:01:36,108 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:36,229 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:36,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:36,232 INFO L168 Benchmark]: Toolchain (without parser) took 6470.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 961.6 MB in the beginning and 874.9 MB in the end (delta: 86.7 MB). Peak memory consumption was 295.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:36,233 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:36,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:36,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:36,235 INFO L168 Benchmark]: Boogie Preprocessor took 47.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:36,236 INFO L168 Benchmark]: RCFGBuilder took 1460.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.1 MB in the end (delta: 149.4 MB). Peak memory consumption was 149.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:36,236 INFO L168 Benchmark]: TraceAbstraction took 4061.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 954.1 MB in the beginning and 898.0 MB in the end (delta: 56.1 MB). Peak memory consumption was 132.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:36,237 INFO L168 Benchmark]: Witness Printer took 125.16 ms. Allocated memory is still 1.2 GB. Free memory was 898.0 MB in the beginning and 874.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:36,240 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 0.78 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 680.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1460.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.1 MB in the end (delta: 149.4 MB). Peak memory consumption was 149.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4061.02 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 954.1 MB in the beginning and 898.0 MB in the end (delta: 56.1 MB). Peak memory consumption was 132.7 MB. Max. memory is 11.5 GB. * Witness Printer took 125.16 ms. Allocated memory is still 1.2 GB. Free memory was 898.0 MB in the beginning and 874.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L585] int cleanupTimeShifts = 4; [L686] int pumpRunning = 0; [L687] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L661] int retValue_acc ; [L662] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L576] int retValue_acc ; [L579] retValue_acc = 1 [L580] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L668] tmp = valid_product() [L670] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L857] int splverifierCounter ; [L858] int tmp ; [L859] int tmp___0 ; [L860] int tmp___1 ; [L861] int tmp___2 ; [L864] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L866] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L868] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L874] tmp = __VERIFIER_nondet_int() [L876] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L476] COND TRUE waterLevel < 2 [L477] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L884] tmp___0 = __VERIFIER_nondet_int() [L886] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L894] tmp___2 = __VERIFIER_nondet_int() [L896] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L700] COND TRUE \read(systemActive) [L722] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L725] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 [L792] int retValue_acc ; [L795] retValue_acc = pumpRunning [L796] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 281 SDtfs, 266 SDslu, 183 SDs, 0 SdLazy, 43 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 83 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...