./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97e1e79d9f040fa1d57b96c793652004756593a5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:57:43,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:57:43,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:57:43,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:57:43,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:57:43,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:57:43,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:57:43,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:57:43,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:57:43,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:57:43,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:57:43,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:57:43,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:57:43,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:57:43,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:57:43,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:57:43,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:57:43,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:57:43,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:57:43,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:57:43,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:57:43,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:57:43,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:57:43,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:57:43,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:57:43,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:57:43,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:57:43,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:57:43,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:57:43,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:57:43,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:57:43,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:57:43,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:57:43,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:57:43,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:57:43,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:57:43,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:57:43,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:57:43,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:57:43,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:57:43,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:57:43,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:57:43,525 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:57:43,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:57:43,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:57:43,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:57:43,533 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:57:43,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:57:43,533 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:57:43,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:57:43,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:57:43,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:57:43,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:57:43,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:57:43,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:57:43,537 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:57:43,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:57:43,538 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:57:43,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:57:43,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:57:43,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:57:43,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:57:43,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:57:43,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:57:43,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:57:43,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:57:43,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:57:43,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:57:43,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:57:43,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:57:43,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:57:43,546 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 -> 97e1e79d9f040fa1d57b96c793652004756593a5 [2020-07-28 18:57:43,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:57:43,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:57:43,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:57:43,926 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:57:43,928 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:57:43,929 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2020-07-28 18:57:44,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e073936e/ecc236a3d6364821ac7c203db758b805/FLAG0d2718151 [2020-07-28 18:57:44,535 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:57:44,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2020-07-28 18:57:44,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e073936e/ecc236a3d6364821ac7c203db758b805/FLAG0d2718151 [2020-07-28 18:57:44,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e073936e/ecc236a3d6364821ac7c203db758b805 [2020-07-28 18:57:44,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:57:44,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:57:44,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:44,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:57:44,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:57:44,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:44" (1/1) ... [2020-07-28 18:57:44,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62774497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:44, skipping insertion in model container [2020-07-28 18:57:44,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:44" (1/1) ... [2020-07-28 18:57:44,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:57:44,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:57:45,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:45,376 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:57:45,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:45,562 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:57:45,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:45 WrapperNode [2020-07-28 18:57:45,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:45,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:45,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:57:45,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:57:45,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:45" (1/1) ... [2020-07-28 18:57:45,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:45" (1/1) ... [2020-07-28 18:57:45,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:45,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:57:45,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:57:45,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:57:45,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:45" (1/1) ... [2020-07-28 18:57:45,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:45" (1/1) ... [2020-07-28 18:57:45,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:45" (1/1) ... [2020-07-28 18:57:45,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:45" (1/1) ... [2020-07-28 18:57:45,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:45" (1/1) ... [2020-07-28 18:57:45,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:45" (1/1) ... [2020-07-28 18:57:45,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:45" (1/1) ... [2020-07-28 18:57:45,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:57:45,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:57:45,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:57:45,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:57:45,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:57:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:57:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:57:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:57:45,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:57:47,178 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:57:47,179 INFO L295 CfgBuilder]: Removed 102 assume(true) statements. [2020-07-28 18:57:47,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:47 BoogieIcfgContainer [2020-07-28 18:57:47,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:57:47,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:57:47,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:57:47,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:57:47,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:57:44" (1/3) ... [2020-07-28 18:57:47,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ee2929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:47, skipping insertion in model container [2020-07-28 18:57:47,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:45" (2/3) ... [2020-07-28 18:57:47,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ee2929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:47, skipping insertion in model container [2020-07-28 18:57:47,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:47" (3/3) ... [2020-07-28 18:57:47,196 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2020-07-28 18:57:47,208 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:57:47,218 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:57:47,234 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:57:47,257 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:57:47,258 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:57:47,258 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:57:47,258 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:57:47,260 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:57:47,260 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:57:47,261 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:57:47,261 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:57:47,280 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-07-28 18:57:47,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:57:47,289 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:47,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:47,291 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:47,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:47,298 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2020-07-28 18:57:47,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:47,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97121873] [2020-07-28 18:57:47,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:47,611 INFO L280 TraceCheckUtils]: 0: Hoare triple {74#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {74#true} is VALID [2020-07-28 18:57:47,612 INFO L280 TraceCheckUtils]: 1: Hoare triple {74#true} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; {74#true} is VALID [2020-07-28 18:57:47,613 INFO L280 TraceCheckUtils]: 2: Hoare triple {74#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {74#true} is VALID [2020-07-28 18:57:47,613 INFO L280 TraceCheckUtils]: 3: Hoare triple {74#true} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {74#true} is VALID [2020-07-28 18:57:47,614 INFO L280 TraceCheckUtils]: 4: Hoare triple {74#true} assume 0 != main_~tmp~1; {74#true} is VALID [2020-07-28 18:57:47,615 INFO L280 TraceCheckUtils]: 5: Hoare triple {74#true} havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {74#true} is VALID [2020-07-28 18:57:47,616 INFO L280 TraceCheckUtils]: 6: Hoare triple {74#true} assume false; {75#false} is VALID [2020-07-28 18:57:47,617 INFO L280 TraceCheckUtils]: 7: Hoare triple {75#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {75#false} is VALID [2020-07-28 18:57:47,617 INFO L280 TraceCheckUtils]: 8: Hoare triple {75#false} assume !(0 != ~pumpRunning~0); {75#false} is VALID [2020-07-28 18:57:47,618 INFO L280 TraceCheckUtils]: 9: Hoare triple {75#false} assume !(0 != ~systemActive~0); {75#false} is VALID [2020-07-28 18:57:47,618 INFO L280 TraceCheckUtils]: 10: Hoare triple {75#false} havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {75#false} is VALID [2020-07-28 18:57:47,619 INFO L280 TraceCheckUtils]: 11: Hoare triple {75#false} __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret10 && __utac_acc__Specification1_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; {75#false} is VALID [2020-07-28 18:57:47,619 INFO L280 TraceCheckUtils]: 12: Hoare triple {75#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {75#false} is VALID [2020-07-28 18:57:47,620 INFO L280 TraceCheckUtils]: 13: Hoare triple {75#false} __utac_acc__Specification1_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {75#false} is VALID [2020-07-28 18:57:47,620 INFO L280 TraceCheckUtils]: 14: Hoare triple {75#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {75#false} is VALID [2020-07-28 18:57:47,621 INFO L280 TraceCheckUtils]: 15: Hoare triple {75#false} assume !false; {75#false} is VALID [2020-07-28 18:57:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:47,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97121873] [2020-07-28 18:57:47,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:47,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:57:47,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675723952] [2020-07-28 18:57:47,633 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:47,635 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:47,638 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:57:47,711 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:47,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:57:47,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:47,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:57:47,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:57:47,726 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2020-07-28 18:57:48,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:48,008 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2020-07-28 18:57:48,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:57:48,008 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:48,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:48,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:48,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 203 transitions. [2020-07-28 18:57:48,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:48,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 203 transitions. [2020-07-28 18:57:48,042 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 203 transitions. [2020-07-28 18:57:48,336 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 203 edges. 203 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:48,366 INFO L225 Difference]: With dead ends: 136 [2020-07-28 18:57:48,367 INFO L226 Difference]: Without dead ends: 67 [2020-07-28 18:57:48,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:57:48,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-28 18:57:48,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-07-28 18:57:48,455 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:48,456 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 67 states. [2020-07-28 18:57:48,457 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2020-07-28 18:57:48,457 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2020-07-28 18:57:48,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:48,465 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-07-28 18:57:48,465 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-07-28 18:57:48,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:48,468 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:48,469 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 67 states. [2020-07-28 18:57:48,469 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 67 states. [2020-07-28 18:57:48,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:48,484 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-07-28 18:57:48,485 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-07-28 18:57:48,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:48,486 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:48,487 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:48,487 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:48,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-07-28 18:57:48,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-07-28 18:57:48,499 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-07-28 18:57:48,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:48,500 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-07-28 18:57:48,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:57:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-07-28 18:57:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:57:48,503 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:48,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:48,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:57:48,505 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:48,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:48,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2020-07-28 18:57:48,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:48,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955329862] [2020-07-28 18:57:48,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:48,669 INFO L280 TraceCheckUtils]: 0: Hoare triple {506#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {506#true} is VALID [2020-07-28 18:57:48,669 INFO L280 TraceCheckUtils]: 1: Hoare triple {506#true} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; {506#true} is VALID [2020-07-28 18:57:48,669 INFO L280 TraceCheckUtils]: 2: Hoare triple {506#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {506#true} is VALID [2020-07-28 18:57:48,670 INFO L280 TraceCheckUtils]: 3: Hoare triple {506#true} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {506#true} is VALID [2020-07-28 18:57:48,670 INFO L280 TraceCheckUtils]: 4: Hoare triple {506#true} assume 0 != main_~tmp~1; {506#true} is VALID [2020-07-28 18:57:48,671 INFO L280 TraceCheckUtils]: 5: Hoare triple {506#true} havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {508#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:48,672 INFO L280 TraceCheckUtils]: 6: Hoare triple {508#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {508#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:48,673 INFO L280 TraceCheckUtils]: 7: Hoare triple {508#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {507#false} is VALID [2020-07-28 18:57:48,673 INFO L280 TraceCheckUtils]: 8: Hoare triple {507#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {507#false} is VALID [2020-07-28 18:57:48,673 INFO L280 TraceCheckUtils]: 9: Hoare triple {507#false} assume !(0 != ~pumpRunning~0); {507#false} is VALID [2020-07-28 18:57:48,674 INFO L280 TraceCheckUtils]: 10: Hoare triple {507#false} assume !(0 != ~systemActive~0); {507#false} is VALID [2020-07-28 18:57:48,674 INFO L280 TraceCheckUtils]: 11: Hoare triple {507#false} havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {507#false} is VALID [2020-07-28 18:57:48,674 INFO L280 TraceCheckUtils]: 12: Hoare triple {507#false} __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret10 && __utac_acc__Specification1_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; {507#false} is VALID [2020-07-28 18:57:48,674 INFO L280 TraceCheckUtils]: 13: Hoare triple {507#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {507#false} is VALID [2020-07-28 18:57:48,675 INFO L280 TraceCheckUtils]: 14: Hoare triple {507#false} __utac_acc__Specification1_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {507#false} is VALID [2020-07-28 18:57:48,675 INFO L280 TraceCheckUtils]: 15: Hoare triple {507#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {507#false} is VALID [2020-07-28 18:57:48,675 INFO L280 TraceCheckUtils]: 16: Hoare triple {507#false} assume !false; {507#false} is VALID [2020-07-28 18:57:48,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:48,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955329862] [2020-07-28 18:57:48,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:48,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:57:48,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515322232] [2020-07-28 18:57:48,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:48,680 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:48,680 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:57:48,710 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:48,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:57:48,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:48,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:57:48,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:48,711 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2020-07-28 18:57:48,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:48,911 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-07-28 18:57:48,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:57:48,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:48,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:48,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:48,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 93 transitions. [2020-07-28 18:57:48,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:48,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 93 transitions. [2020-07-28 18:57:48,916 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 93 transitions. [2020-07-28 18:57:49,036 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:49,037 INFO L225 Difference]: With dead ends: 67 [2020-07-28 18:57:49,037 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 18:57:49,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:49,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 18:57:49,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 18:57:49,055 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:49,055 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:49,055 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:49,055 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:49,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:49,057 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 18:57:49,058 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:57:49,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:49,058 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:49,059 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:49,059 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:57:49,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:49,061 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 18:57:49,061 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:57:49,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:49,062 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:49,062 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:49,062 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:49,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 18:57:49,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-07-28 18:57:49,064 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-07-28 18:57:49,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:49,065 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-07-28 18:57:49,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:57:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:57:49,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:57:49,066 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:49,066 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:49,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:57:49,067 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:49,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:49,067 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2020-07-28 18:57:49,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:49,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226555042] [2020-07-28 18:57:49,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:49,195 INFO L280 TraceCheckUtils]: 0: Hoare triple {721#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {721#true} is VALID [2020-07-28 18:57:49,196 INFO L280 TraceCheckUtils]: 1: Hoare triple {721#true} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; {721#true} is VALID [2020-07-28 18:57:49,197 INFO L280 TraceCheckUtils]: 2: Hoare triple {721#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {721#true} is VALID [2020-07-28 18:57:49,197 INFO L280 TraceCheckUtils]: 3: Hoare triple {721#true} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {721#true} is VALID [2020-07-28 18:57:49,197 INFO L280 TraceCheckUtils]: 4: Hoare triple {721#true} assume 0 != main_~tmp~1; {721#true} is VALID [2020-07-28 18:57:49,198 INFO L280 TraceCheckUtils]: 5: Hoare triple {721#true} havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {721#true} is VALID [2020-07-28 18:57:49,198 INFO L280 TraceCheckUtils]: 6: Hoare triple {721#true} assume !false; {721#true} is VALID [2020-07-28 18:57:49,199 INFO L280 TraceCheckUtils]: 7: Hoare triple {721#true} assume test_~splverifierCounter~0 < 4; {721#true} is VALID [2020-07-28 18:57:49,199 INFO L280 TraceCheckUtils]: 8: Hoare triple {721#true} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; {721#true} is VALID [2020-07-28 18:57:49,199 INFO L280 TraceCheckUtils]: 9: Hoare triple {721#true} assume !(0 != test_~tmp~7); {721#true} is VALID [2020-07-28 18:57:49,200 INFO L280 TraceCheckUtils]: 10: Hoare triple {721#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp___0~1 := test_#t~nondet69;havoc test_#t~nondet69; {721#true} is VALID [2020-07-28 18:57:49,200 INFO L280 TraceCheckUtils]: 11: Hoare triple {721#true} assume !(0 != test_~tmp___0~1); {721#true} is VALID [2020-07-28 18:57:49,200 INFO L280 TraceCheckUtils]: 12: Hoare triple {721#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; {721#true} is VALID [2020-07-28 18:57:49,202 INFO L280 TraceCheckUtils]: 13: Hoare triple {721#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {723#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:57:49,203 INFO L280 TraceCheckUtils]: 14: Hoare triple {723#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {723#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:57:49,204 INFO L280 TraceCheckUtils]: 15: Hoare triple {723#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {722#false} is VALID [2020-07-28 18:57:49,204 INFO L280 TraceCheckUtils]: 16: Hoare triple {722#false} havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {722#false} is VALID [2020-07-28 18:57:49,205 INFO L280 TraceCheckUtils]: 17: Hoare triple {722#false} __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret10 && __utac_acc__Specification1_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; {722#false} is VALID [2020-07-28 18:57:49,205 INFO L280 TraceCheckUtils]: 18: Hoare triple {722#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {722#false} is VALID [2020-07-28 18:57:49,206 INFO L280 TraceCheckUtils]: 19: Hoare triple {722#false} __utac_acc__Specification1_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {722#false} is VALID [2020-07-28 18:57:49,206 INFO L280 TraceCheckUtils]: 20: Hoare triple {722#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {722#false} is VALID [2020-07-28 18:57:49,206 INFO L280 TraceCheckUtils]: 21: Hoare triple {722#false} assume !false; {722#false} is VALID [2020-07-28 18:57:49,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:49,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226555042] [2020-07-28 18:57:49,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:49,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:57:49,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743507194] [2020-07-28 18:57:49,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:57:49,215 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:49,215 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:57:49,273 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:49,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:57:49,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:49,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:57:49,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:49,275 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-07-28 18:57:49,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:49,551 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2020-07-28 18:57:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:57:49,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:57:49,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:49,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 126 transitions. [2020-07-28 18:57:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 126 transitions. [2020-07-28 18:57:49,556 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 126 transitions. [2020-07-28 18:57:49,732 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:49,733 INFO L225 Difference]: With dead ends: 87 [2020-07-28 18:57:49,734 INFO L226 Difference]: Without dead ends: 60 [2020-07-28 18:57:49,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:49,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-07-28 18:57:49,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2020-07-28 18:57:49,780 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:49,780 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 56 states. [2020-07-28 18:57:49,780 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 56 states. [2020-07-28 18:57:49,781 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 56 states. [2020-07-28 18:57:49,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:49,784 INFO L93 Difference]: Finished difference Result 60 states and 85 transitions. [2020-07-28 18:57:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-07-28 18:57:49,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:49,785 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:49,785 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 60 states. [2020-07-28 18:57:49,786 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 60 states. [2020-07-28 18:57:49,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:49,797 INFO L93 Difference]: Finished difference Result 60 states and 85 transitions. [2020-07-28 18:57:49,797 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-07-28 18:57:49,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:49,799 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:49,799 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:49,800 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-28 18:57:49,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2020-07-28 18:57:49,804 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2020-07-28 18:57:49,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:49,805 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2020-07-28 18:57:49,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:57:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2020-07-28 18:57:49,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 18:57:49,806 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:49,806 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:49,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:57:49,807 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:49,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:49,807 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2020-07-28 18:57:49,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:49,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270749665] [2020-07-28 18:57:49,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:49,950 INFO L280 TraceCheckUtils]: 0: Hoare triple {1049#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,951 INFO L280 TraceCheckUtils]: 1: Hoare triple {1051#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,952 INFO L280 TraceCheckUtils]: 2: Hoare triple {1051#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,953 INFO L280 TraceCheckUtils]: 3: Hoare triple {1051#(= 0 ~pumpRunning~0)} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,954 INFO L280 TraceCheckUtils]: 4: Hoare triple {1051#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~1; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,955 INFO L280 TraceCheckUtils]: 5: Hoare triple {1051#(= 0 ~pumpRunning~0)} havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,955 INFO L280 TraceCheckUtils]: 6: Hoare triple {1051#(= 0 ~pumpRunning~0)} assume !false; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,956 INFO L280 TraceCheckUtils]: 7: Hoare triple {1051#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,957 INFO L280 TraceCheckUtils]: 8: Hoare triple {1051#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,958 INFO L280 TraceCheckUtils]: 9: Hoare triple {1051#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~7); {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,959 INFO L280 TraceCheckUtils]: 10: Hoare triple {1051#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp___0~1 := test_#t~nondet69;havoc test_#t~nondet69; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,960 INFO L280 TraceCheckUtils]: 11: Hoare triple {1051#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,961 INFO L280 TraceCheckUtils]: 12: Hoare triple {1051#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,962 INFO L280 TraceCheckUtils]: 13: Hoare triple {1051#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,962 INFO L280 TraceCheckUtils]: 14: Hoare triple {1051#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,963 INFO L280 TraceCheckUtils]: 15: Hoare triple {1051#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,964 INFO L280 TraceCheckUtils]: 16: Hoare triple {1051#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,965 INFO L280 TraceCheckUtils]: 17: Hoare triple {1051#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,966 INFO L280 TraceCheckUtils]: 18: Hoare triple {1051#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret10 && __utac_acc__Specification1_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; {1051#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:49,967 INFO L280 TraceCheckUtils]: 19: Hoare triple {1051#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {1052#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:57:49,968 INFO L280 TraceCheckUtils]: 20: Hoare triple {1052#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {1053#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} is VALID [2020-07-28 18:57:49,969 INFO L280 TraceCheckUtils]: 21: Hoare triple {1053#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1050#false} is VALID [2020-07-28 18:57:49,969 INFO L280 TraceCheckUtils]: 22: Hoare triple {1050#false} assume !false; {1050#false} is VALID [2020-07-28 18:57:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:49,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270749665] [2020-07-28 18:57:49,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:49,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:57:49,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157875245] [2020-07-28 18:57:49,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:49,972 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:49,973 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:57:50,008 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:50,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:57:50,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:50,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:57:50,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:57:50,009 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2020-07-28 18:57:50,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:50,605 INFO L93 Difference]: Finished difference Result 164 states and 249 transitions. [2020-07-28 18:57:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:57:50,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:50,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:50,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:50,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 136 transitions. [2020-07-28 18:57:50,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:50,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 136 transitions. [2020-07-28 18:57:50,610 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 136 transitions. [2020-07-28 18:57:50,793 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 136 edges. 136 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:50,793 INFO L225 Difference]: With dead ends: 164 [2020-07-28 18:57:50,794 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:57:50,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:57:50,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:57:50,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:57:50,797 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:50,797 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:50,797 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:50,798 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:50,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:50,798 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:50,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:50,799 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:50,799 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:50,799 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:50,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:50,799 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:50,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:50,800 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:50,800 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:50,800 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:50,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:57:50,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:57:50,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-07-28 18:57:50,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:50,801 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:57:50,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:57:50,802 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:50,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:50,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:57:50,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:57:51,033 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-07-28 18:57:51,034 INFO L268 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2020-07-28 18:57:51,034 INFO L268 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2020-07-28 18:57:51,034 INFO L268 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2020-07-28 18:57:51,035 INFO L264 CegarLoopResult]: At program point L779(lines 774 782) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:51,035 INFO L264 CegarLoopResult]: At program point L779-1(lines 774 782) the Hoare annotation is: false [2020-07-28 18:57:51,035 INFO L268 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2020-07-28 18:57:51,035 INFO L264 CegarLoopResult]: At program point L779-2(lines 774 782) the Hoare annotation is: false [2020-07-28 18:57:51,035 INFO L268 CegarLoopResult]: For program point L713-1(lines 713 721) no Hoare annotation was computed. [2020-07-28 18:57:51,035 INFO L268 CegarLoopResult]: For program point L713-2(lines 713 721) no Hoare annotation was computed. [2020-07-28 18:57:51,035 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:57:51,035 INFO L268 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2020-07-28 18:57:51,036 INFO L264 CegarLoopResult]: At program point L136-1(lines 1 910) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:51,036 INFO L268 CegarLoopResult]: For program point L136-2(lines 136 149) no Hoare annotation was computed. [2020-07-28 18:57:51,036 INFO L264 CegarLoopResult]: At program point L136-3(lines 1 910) the Hoare annotation is: false [2020-07-28 18:57:51,036 INFO L268 CegarLoopResult]: For program point L136-4(lines 136 149) no Hoare annotation was computed. [2020-07-28 18:57:51,036 INFO L264 CegarLoopResult]: At program point L136-5(lines 1 910) the Hoare annotation is: false [2020-07-28 18:57:51,036 INFO L268 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2020-07-28 18:57:51,036 INFO L264 CegarLoopResult]: At program point L863-1(lines 863 869) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:51,037 INFO L271 CegarLoopResult]: At program point L286(lines 267 289) the Hoare annotation is: true [2020-07-28 18:57:51,037 INFO L264 CegarLoopResult]: At program point L253(lines 249 255) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:51,037 INFO L264 CegarLoopResult]: At program point L187(lines 182 190) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:51,037 INFO L264 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: false [2020-07-28 18:57:51,037 INFO L264 CegarLoopResult]: At program point L89(lines 84 92) the Hoare annotation is: false [2020-07-28 18:57:51,037 INFO L264 CegarLoopResult]: At program point L89-1(lines 84 92) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:51,037 INFO L264 CegarLoopResult]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2020-07-28 18:57:51,038 INFO L264 CegarLoopResult]: At program point L89-3(lines 84 92) the Hoare annotation is: false [2020-07-28 18:57:51,038 INFO L264 CegarLoopResult]: At program point L89-4(lines 84 92) the Hoare annotation is: false [2020-07-28 18:57:51,038 INFO L264 CegarLoopResult]: At program point L89-5(lines 84 92) the Hoare annotation is: false [2020-07-28 18:57:51,038 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-07-28 18:57:51,038 INFO L264 CegarLoopResult]: At program point L684(lines 684 690) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:51,038 INFO L264 CegarLoopResult]: At program point L684-1(lines 684 690) the Hoare annotation is: false [2020-07-28 18:57:51,038 INFO L264 CegarLoopResult]: At program point L684-2(lines 684 690) the Hoare annotation is: false [2020-07-28 18:57:51,038 INFO L268 CegarLoopResult]: For program point L883(lines 883 898) no Hoare annotation was computed. [2020-07-28 18:57:51,039 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-07-28 18:57:51,039 INFO L268 CegarLoopResult]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2020-07-28 18:57:51,039 INFO L268 CegarLoopResult]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2020-07-28 18:57:51,039 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:57:51,039 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-07-28 18:57:51,039 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-07-28 18:57:51,039 INFO L268 CegarLoopResult]: For program point L208-1(lines 677 683) no Hoare annotation was computed. [2020-07-28 18:57:51,040 INFO L268 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2020-07-28 18:57:51,040 INFO L264 CegarLoopResult]: At program point L770(lines 763 773) the Hoare annotation is: false [2020-07-28 18:57:51,040 INFO L264 CegarLoopResult]: At program point L770-1(lines 763 773) the Hoare annotation is: false [2020-07-28 18:57:51,040 INFO L264 CegarLoopResult]: At program point L770-2(lines 763 773) the Hoare annotation is: false [2020-07-28 18:57:51,040 INFO L264 CegarLoopResult]: At program point L903(lines 852 904) the Hoare annotation is: false [2020-07-28 18:57:51,040 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:57:51,040 INFO L268 CegarLoopResult]: For program point L854(lines 853 902) no Hoare annotation was computed. [2020-07-28 18:57:51,040 INFO L268 CegarLoopResult]: For program point L855(lines 855 859) no Hoare annotation was computed. [2020-07-28 18:57:51,041 INFO L268 CegarLoopResult]: For program point L277(lines 277 284) no Hoare annotation was computed. [2020-07-28 18:57:51,041 INFO L271 CegarLoopResult]: At program point L277-1(lines 277 284) the Hoare annotation is: true [2020-07-28 18:57:51,041 INFO L268 CegarLoopResult]: For program point L823(lines 823 829) no Hoare annotation was computed. [2020-07-28 18:57:51,041 INFO L264 CegarLoopResult]: At program point L823-1(lines 823 829) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:51,041 INFO L264 CegarLoopResult]: At program point L179(lines 1 910) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:51,041 INFO L268 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-07-28 18:57:51,041 INFO L264 CegarLoopResult]: At program point L873-1(lines 873 879) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:51,042 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-07-28 18:57:51,042 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-07-28 18:57:51,042 INFO L268 CegarLoopResult]: For program point L295-2(line 295) no Hoare annotation was computed. [2020-07-28 18:57:51,042 INFO L268 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2020-07-28 18:57:51,042 INFO L268 CegarLoopResult]: For program point L709(lines 709 726) no Hoare annotation was computed. [2020-07-28 18:57:51,042 INFO L268 CegarLoopResult]: For program point L709-1(lines 709 726) no Hoare annotation was computed. [2020-07-28 18:57:51,042 INFO L268 CegarLoopResult]: For program point L709-2(lines 709 726) no Hoare annotation was computed. [2020-07-28 18:57:51,042 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:57:51,042 INFO L268 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-07-28 18:57:51,043 INFO L264 CegarLoopResult]: At program point L891-1(lines 677 683) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:51,043 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-07-28 18:57:51,043 INFO L264 CegarLoopResult]: At program point L677(lines 676 695) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:57:51,043 INFO L268 CegarLoopResult]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2020-07-28 18:57:51,043 INFO L264 CegarLoopResult]: At program point L677-2(lines 676 695) the Hoare annotation is: false [2020-07-28 18:57:51,043 INFO L264 CegarLoopResult]: At program point L677-3(lines 676 695) the Hoare annotation is: false [2020-07-28 18:57:51,048 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:57:51,048 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:57:51,049 WARN L170 areAnnotationChecker]: L277 has no Hoare annotation [2020-07-28 18:57:51,049 WARN L170 areAnnotationChecker]: L277 has no Hoare annotation [2020-07-28 18:57:51,049 WARN L170 areAnnotationChecker]: L277 has no Hoare annotation [2020-07-28 18:57:51,050 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-28 18:57:51,050 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:51,050 WARN L170 areAnnotationChecker]: L677-1 has no Hoare annotation [2020-07-28 18:57:51,050 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-28 18:57:51,051 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-28 18:57:51,051 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:51,051 WARN L170 areAnnotationChecker]: L677-1 has no Hoare annotation [2020-07-28 18:57:51,051 WARN L170 areAnnotationChecker]: L677-1 has no Hoare annotation [2020-07-28 18:57:51,051 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-28 18:57:51,051 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 18:57:51,051 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 18:57:51,051 WARN L170 areAnnotationChecker]: L709-1 has no Hoare annotation [2020-07-28 18:57:51,051 WARN L170 areAnnotationChecker]: L863 has no Hoare annotation [2020-07-28 18:57:51,052 WARN L170 areAnnotationChecker]: L863 has no Hoare annotation [2020-07-28 18:57:51,052 WARN L170 areAnnotationChecker]: L709-1 has no Hoare annotation [2020-07-28 18:57:51,052 WARN L170 areAnnotationChecker]: L709-1 has no Hoare annotation [2020-07-28 18:57:51,052 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 18:57:51,052 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 18:57:51,052 WARN L170 areAnnotationChecker]: L873 has no Hoare annotation [2020-07-28 18:57:51,052 WARN L170 areAnnotationChecker]: L136-2 has no Hoare annotation [2020-07-28 18:57:51,052 WARN L170 areAnnotationChecker]: L873 has no Hoare annotation [2020-07-28 18:57:51,053 WARN L170 areAnnotationChecker]: L873 has no Hoare annotation [2020-07-28 18:57:51,053 WARN L170 areAnnotationChecker]: L713-1 has no Hoare annotation [2020-07-28 18:57:51,053 WARN L170 areAnnotationChecker]: L136-2 has no Hoare annotation [2020-07-28 18:57:51,053 WARN L170 areAnnotationChecker]: L136-2 has no Hoare annotation [2020-07-28 18:57:51,053 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 18:57:51,053 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 18:57:51,053 WARN L170 areAnnotationChecker]: L883 has no Hoare annotation [2020-07-28 18:57:51,053 WARN L170 areAnnotationChecker]: L713-1 has no Hoare annotation [2020-07-28 18:57:51,053 WARN L170 areAnnotationChecker]: L713-1 has no Hoare annotation [2020-07-28 18:57:51,053 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 18:57:51,053 WARN L170 areAnnotationChecker]: L883 has no Hoare annotation [2020-07-28 18:57:51,054 WARN L170 areAnnotationChecker]: L883 has no Hoare annotation [2020-07-28 18:57:51,054 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 18:57:51,054 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 18:57:51,054 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-28 18:57:51,054 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 18:57:51,055 WARN L170 areAnnotationChecker]: L891 has no Hoare annotation [2020-07-28 18:57:51,055 WARN L170 areAnnotationChecker]: L891 has no Hoare annotation [2020-07-28 18:57:51,055 WARN L170 areAnnotationChecker]: L295-1 has no Hoare annotation [2020-07-28 18:57:51,055 WARN L170 areAnnotationChecker]: L295-1 has no Hoare annotation [2020-07-28 18:57:51,056 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-28 18:57:51,056 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 18:57:51,056 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 18:57:51,056 WARN L170 areAnnotationChecker]: L709 has no Hoare annotation [2020-07-28 18:57:51,056 WARN L170 areAnnotationChecker]: L823 has no Hoare annotation [2020-07-28 18:57:51,056 WARN L170 areAnnotationChecker]: L823 has no Hoare annotation [2020-07-28 18:57:51,057 WARN L170 areAnnotationChecker]: L208 has no Hoare annotation [2020-07-28 18:57:51,057 WARN L170 areAnnotationChecker]: L208 has no Hoare annotation [2020-07-28 18:57:51,057 WARN L170 areAnnotationChecker]: L709 has no Hoare annotation [2020-07-28 18:57:51,057 WARN L170 areAnnotationChecker]: L709 has no Hoare annotation [2020-07-28 18:57:51,058 WARN L170 areAnnotationChecker]: L208-1 has no Hoare annotation [2020-07-28 18:57:51,058 WARN L170 areAnnotationChecker]: L208-1 has no Hoare annotation [2020-07-28 18:57:51,058 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 18:57:51,058 WARN L170 areAnnotationChecker]: L52-6 has no Hoare annotation [2020-07-28 18:57:51,059 WARN L170 areAnnotationChecker]: L52-6 has no Hoare annotation [2020-07-28 18:57:51,059 WARN L170 areAnnotationChecker]: L709-2 has no Hoare annotation [2020-07-28 18:57:51,059 WARN L170 areAnnotationChecker]: L713 has no Hoare annotation [2020-07-28 18:57:51,059 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 18:57:51,059 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 18:57:51,059 WARN L170 areAnnotationChecker]: L709-2 has no Hoare annotation [2020-07-28 18:57:51,060 WARN L170 areAnnotationChecker]: L709-2 has no Hoare annotation [2020-07-28 18:57:51,060 WARN L170 areAnnotationChecker]: L713 has no Hoare annotation [2020-07-28 18:57:51,060 WARN L170 areAnnotationChecker]: L713 has no Hoare annotation [2020-07-28 18:57:51,060 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 18:57:51,060 WARN L170 areAnnotationChecker]: L136-4 has no Hoare annotation [2020-07-28 18:57:51,060 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 18:57:51,060 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 18:57:51,060 WARN L170 areAnnotationChecker]: L713-2 has no Hoare annotation [2020-07-28 18:57:51,060 WARN L170 areAnnotationChecker]: L136-4 has no Hoare annotation [2020-07-28 18:57:51,061 WARN L170 areAnnotationChecker]: L136-4 has no Hoare annotation [2020-07-28 18:57:51,061 WARN L170 areAnnotationChecker]: L295 has no Hoare annotation [2020-07-28 18:57:51,061 WARN L170 areAnnotationChecker]: L295 has no Hoare annotation [2020-07-28 18:57:51,061 WARN L170 areAnnotationChecker]: L713-2 has no Hoare annotation [2020-07-28 18:57:51,061 WARN L170 areAnnotationChecker]: L713-2 has no Hoare annotation [2020-07-28 18:57:51,061 WARN L170 areAnnotationChecker]: L140-4 has no Hoare annotation [2020-07-28 18:57:51,061 WARN L170 areAnnotationChecker]: L140-4 has no Hoare annotation [2020-07-28 18:57:51,061 WARN L170 areAnnotationChecker]: L140-4 has no Hoare annotation [2020-07-28 18:57:51,062 WARN L170 areAnnotationChecker]: L295-2 has no Hoare annotation [2020-07-28 18:57:51,062 WARN L170 areAnnotationChecker]: L295-2 has no Hoare annotation [2020-07-28 18:57:51,062 INFO L163 areAnnotationChecker]: CFG has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:57:51,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:57:51 BoogieIcfgContainer [2020-07-28 18:57:51,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:57:51,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:57:51,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:57:51,081 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:57:51,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:47" (3/4) ... [2020-07-28 18:57:51,086 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:57:51,103 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:57:51,106 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:57:51,107 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:57:51,108 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:57:51,108 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:57:51,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:51,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:51,142 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 18:57:51,201 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:57:51,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:57:51,205 INFO L168 Benchmark]: Toolchain (without parser) took 6352.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 960.2 MB in the beginning and 978.5 MB in the end (delta: -18.3 MB). Peak memory consumption was 188.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:51,205 INFO L168 Benchmark]: CDTParser took 0.92 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 18:57:51,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:51,206 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:51,207 INFO L168 Benchmark]: Boogie Preprocessor took 40.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:51,207 INFO L168 Benchmark]: RCFGBuilder took 1478.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.6 MB in the end (delta: 139.1 MB). Peak memory consumption was 139.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:51,208 INFO L168 Benchmark]: TraceAbstraction took 3894.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 966.6 MB in the beginning and 986.3 MB in the end (delta: -19.8 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:51,208 INFO L168 Benchmark]: Witness Printer took 121.24 ms. Allocated memory is still 1.2 GB. Free memory was 986.3 MB in the beginning and 978.5 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:51,210 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 0.92 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 708.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1478.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.6 MB in the end (delta: 139.1 MB). Peak memory consumption was 139.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3894.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 966.6 MB in the beginning and 986.3 MB in the end (delta: -19.8 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * Witness Printer took 121.24 ms. Allocated memory is still 1.2 GB. Free memory was 986.3 MB in the beginning and 978.5 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 295]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == pumpRunning && 1 == systemActive - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 == pumpRunning && 1 == systemActive - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 == pumpRunning && 1 == systemActive - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 240 SDtfs, 172 SDslu, 120 SDs, 0 SdLazy, 28 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 79 NumberOfFragments, 107 HoareAnnotationTreeSize, 32 FomulaSimplifications, 474 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 2478 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...