./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2c09c553453ff5cc1c780de43f9253f29851703b462741b40e69cde342fa216 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:25:30,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:25:30,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:25:30,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:25:30,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:25:30,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:25:30,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:25:30,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:25:30,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:25:30,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:25:30,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:25:30,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:25:30,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:25:30,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:25:30,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:25:30,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:25:30,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:25:30,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:25:30,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:25:30,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:25:30,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:25:30,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:25:30,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:25:30,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:25:30,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:25:30,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:25:30,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:25:30,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:25:30,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:25:30,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:25:30,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:25:30,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:25:30,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:25:30,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:25:30,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:25:30,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:25:30,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:25:30,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:25:30,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:25:30,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:25:30,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:25:30,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:25:30,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:25:30,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:25:30,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:25:30,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:25:30,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:25:30,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:25:30,522 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:25:30,522 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:25:30,523 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:25:30,523 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:25:30,523 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:25:30,524 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:25:30,524 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:25:30,524 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:25:30,524 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:25:30,525 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:25:30,525 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:25:30,525 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:25:30,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:25:30,527 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:25:30,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:25:30,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:25:30,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:25:30,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:25:30,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:25:30,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:25:30,528 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:25:30,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:25:30,529 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:25:30,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:25:30,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:25:30,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:25:30,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:25:30,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:25:30,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:25:30,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:25:30,531 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:25:30,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:25:30,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:25:30,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:25:30,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:25:30,533 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2c09c553453ff5cc1c780de43f9253f29851703b462741b40e69cde342fa216 [2021-11-23 02:25:30,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:25:30,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:25:30,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:25:30,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:25:30,843 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:25:30,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c [2021-11-23 02:25:30,936 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/data/8192abacc/b13a5ee84b37473ba90ff1b91840bd47/FLAG62df20ceb [2021-11-23 02:25:31,471 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:25:31,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c [2021-11-23 02:25:31,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/data/8192abacc/b13a5ee84b37473ba90ff1b91840bd47/FLAG62df20ceb [2021-11-23 02:25:31,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/data/8192abacc/b13a5ee84b37473ba90ff1b91840bd47 [2021-11-23 02:25:31,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:25:31,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:25:31,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:25:31,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:25:31,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:25:31,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:31" (1/1) ... [2021-11-23 02:25:31,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f026617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:31, skipping insertion in model container [2021-11-23 02:25:31,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:31" (1/1) ... [2021-11-23 02:25:31,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:25:31,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:25:32,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c[17711,17724] [2021-11-23 02:25:32,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:25:32,323 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:25:32,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/sv-benchmarks/c/product-lines/minepump_spec5_product06.cil.c[17711,17724] [2021-11-23 02:25:32,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:25:32,439 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:25:32,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:32 WrapperNode [2021-11-23 02:25:32,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:25:32,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:25:32,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:25:32,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:25:32,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:32" (1/1) ... [2021-11-23 02:25:32,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:32" (1/1) ... [2021-11-23 02:25:32,539 INFO L137 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 221 [2021-11-23 02:25:32,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:25:32,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:25:32,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:25:32,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:25:32,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:32" (1/1) ... [2021-11-23 02:25:32,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:32" (1/1) ... [2021-11-23 02:25:32,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:32" (1/1) ... [2021-11-23 02:25:32,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:32" (1/1) ... [2021-11-23 02:25:32,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:32" (1/1) ... [2021-11-23 02:25:32,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:32" (1/1) ... [2021-11-23 02:25:32,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:32" (1/1) ... [2021-11-23 02:25:32,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:25:32,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:25:32,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:25:32,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:25:32,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:32" (1/1) ... [2021-11-23 02:25:32,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:25:32,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:25:32,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:25:32,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:25:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:25:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 02:25:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 02:25:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 02:25:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 02:25:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 02:25:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 02:25:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 02:25:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 02:25:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 02:25:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 02:25:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:25:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 02:25:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 02:25:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:25:32,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:25:32,784 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:25:32,787 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:25:33,178 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:25:33,311 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:25:33,311 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 02:25:33,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:33 BoogieIcfgContainer [2021-11-23 02:25:33,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:25:33,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:25:33,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:25:33,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:25:33,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:25:31" (1/3) ... [2021-11-23 02:25:33,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0bb424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:33, skipping insertion in model container [2021-11-23 02:25:33,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:32" (2/3) ... [2021-11-23 02:25:33,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0bb424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:33, skipping insertion in model container [2021-11-23 02:25:33,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:33" (3/3) ... [2021-11-23 02:25:33,337 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product06.cil.c [2021-11-23 02:25:33,344 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:25:33,345 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:25:33,408 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:25:33,419 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:25:33,420 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:25:33,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 39 states have internal predecessors, (47), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-11-23 02:25:33,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 02:25:33,457 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:25:33,458 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:25:33,459 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:25:33,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:25:33,477 INFO L85 PathProgramCache]: Analyzing trace with hash -2004994899, now seen corresponding path program 1 times [2021-11-23 02:25:33,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:25:33,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551606683] [2021-11-23 02:25:33,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:33,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:25:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:25:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:25:33,694 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:25:33,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551606683] [2021-11-23 02:25:33,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551606683] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:25:33,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:25:33,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:25:33,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939903860] [2021-11-23 02:25:33,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:25:33,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:25:33,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:25:33,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:25:33,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:25:33,739 INFO L87 Difference]: Start difference. First operand has 51 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 39 states have internal predecessors, (47), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:25:33,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:25:33,815 INFO L93 Difference]: Finished difference Result 100 states and 135 transitions. [2021-11-23 02:25:33,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:25:33,822 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2021-11-23 02:25:33,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:25:33,831 INFO L225 Difference]: With dead ends: 100 [2021-11-23 02:25:33,831 INFO L226 Difference]: Without dead ends: 46 [2021-11-23 02:25:33,835 INFO L932 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 [2021-11-23 02:25:33,846 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:25:33,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:25:33,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-23 02:25:33,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-23 02:25:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-23 02:25:33,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2021-11-23 02:25:33,912 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 21 [2021-11-23 02:25:33,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:25:33,913 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-11-23 02:25:33,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:25:33,914 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2021-11-23 02:25:33,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:25:33,916 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:25:33,916 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:25:33,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:25:33,917 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:25:33,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:25:33,918 INFO L85 PathProgramCache]: Analyzing trace with hash -786430657, now seen corresponding path program 1 times [2021-11-23 02:25:33,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:25:33,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151245721] [2021-11-23 02:25:33,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:25:33,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:25:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:25:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:25:34,107 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:25:34,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151245721] [2021-11-23 02:25:34,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151245721] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:25:34,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:25:34,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 02:25:34,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374505865] [2021-11-23 02:25:34,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:25:34,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:25:34,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:25:34,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:25:34,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:25:34,115 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:25:34,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:25:34,333 INFO L93 Difference]: Finished difference Result 87 states and 114 transitions. [2021-11-23 02:25:34,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:25:34,338 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2021-11-23 02:25:34,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:25:34,339 INFO L225 Difference]: With dead ends: 87 [2021-11-23 02:25:34,339 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 02:25:34,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-23 02:25:34,349 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 34 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:25:34,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 131 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:25:34,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 02:25:34,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 02:25:34,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:25:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 02:25:34,352 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-11-23 02:25:34,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:25:34,352 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 02:25:34,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:25:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 02:25:34,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 02:25:34,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:25:34,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:25:34,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 02:25:34,527 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 280 286) no Hoare annotation was computed. [2021-11-23 02:25:34,527 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 280 286) the Hoare annotation is: true [2021-11-23 02:25:34,528 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true [2021-11-23 02:25:34,529 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2021-11-23 02:25:34,529 INFO L858 garLoopResultBuilder]: For program point L416(line 416) no Hoare annotation was computed. [2021-11-23 02:25:34,529 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 395 424) no Hoare annotation was computed. [2021-11-23 02:25:34,529 INFO L854 garLoopResultBuilder]: At program point cleanupENTRY(lines 395 424) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:25:34,530 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 413) no Hoare annotation was computed. [2021-11-23 02:25:34,530 INFO L854 garLoopResultBuilder]: At program point L409-1(lines 409 413) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:25:34,530 INFO L854 garLoopResultBuilder]: At program point L405-2(lines 405 419) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:25:34,531 INFO L854 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:25:34,531 INFO L858 garLoopResultBuilder]: For program point L401-1(line 401) no Hoare annotation was computed. [2021-11-23 02:25:34,533 INFO L861 garLoopResultBuilder]: At program point L420(lines 395 424) the Hoare annotation is: true [2021-11-23 02:25:34,533 INFO L854 garLoopResultBuilder]: At program point L267-1(lines 267 273) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:25:34,533 INFO L854 garLoopResultBuilder]: At program point L296(lines 296 304) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 02:25:34,534 INFO L854 garLoopResultBuilder]: At program point L292(lines 292 309) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:25:34,534 INFO L854 garLoopResultBuilder]: At program point L507(line 507) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:25:34,535 INFO L854 garLoopResultBuilder]: At program point L507-1(line 507) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:25:34,536 INFO L854 garLoopResultBuilder]: At program point L912(line 912) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 02:25:34,536 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 534) no Hoare annotation was computed. [2021-11-23 02:25:34,536 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 537) no Hoare annotation was computed. [2021-11-23 02:25:34,537 INFO L854 garLoopResultBuilder]: At program point L520-1(lines 512 540) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:25:34,537 INFO L858 garLoopResultBuilder]: For program point L260-2(lines 256 278) no Hoare annotation was computed. [2021-11-23 02:25:34,537 INFO L854 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 02:25:34,537 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 531) no Hoare annotation was computed. [2021-11-23 02:25:34,538 INFO L854 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:25:34,538 INFO L854 garLoopResultBuilder]: At program point L307-1(lines 288 312) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:25:34,539 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 253 279) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:25:34,543 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 253 279) no Hoare annotation was computed. [2021-11-23 02:25:34,543 INFO L854 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:25:34,543 INFO L858 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2021-11-23 02:25:34,544 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2021-11-23 02:25:34,544 INFO L854 garLoopResultBuilder]: At program point L225-2(lines 217 230) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-11-23 02:25:34,544 INFO L858 garLoopResultBuilder]: For program point L188(lines 187 234) no Hoare annotation was computed. [2021-11-23 02:25:34,545 INFO L854 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-11-23 02:25:34,546 INFO L861 garLoopResultBuilder]: At program point L238(lines 177 242) the Hoare annotation is: true [2021-11-23 02:25:34,546 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 203) no Hoare annotation was computed. [2021-11-23 02:25:34,546 INFO L858 garLoopResultBuilder]: For program point L197-1(lines 197 203) no Hoare annotation was computed. [2021-11-23 02:25:34,546 INFO L854 garLoopResultBuilder]: At program point L478(lines 478 485) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-11-23 02:25:34,546 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-11-23 02:25:34,547 INFO L861 garLoopResultBuilder]: At program point L478-2(lines 478 485) the Hoare annotation is: true [2021-11-23 02:25:34,547 INFO L854 garLoopResultBuilder]: At program point L235(lines 186 236) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-11-23 02:25:34,547 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:25:34,547 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 213) no Hoare annotation was computed. [2021-11-23 02:25:34,548 INFO L854 garLoopResultBuilder]: At program point L207-1(lines 207 213) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-11-23 02:25:34,548 INFO L854 garLoopResultBuilder]: At program point L232(lines 187 234) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-11-23 02:25:34,548 INFO L854 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-11-23 02:25:34,548 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2021-11-23 02:25:34,549 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2021-11-23 02:25:34,550 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 340 348) no Hoare annotation was computed. [2021-11-23 02:25:34,550 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 340 348) the Hoare annotation is: true [2021-11-23 02:25:34,554 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-23 02:25:34,556 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:25:34,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:25:34 BoogieIcfgContainer [2021-11-23 02:25:34,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:25:34,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:25:34,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:25:34,586 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:25:34,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:33" (3/4) ... [2021-11-23 02:25:34,590 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:25:34,596 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 02:25:34,597 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 02:25:34,597 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 02:25:34,597 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 02:25:34,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 02:25:34,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-11-23 02:25:34,607 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2021-11-23 02:25:34,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-23 02:25:34,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 02:25:34,610 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 02:25:34,611 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 02:25:34,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:25:34,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:25:34,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 02:25:34,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 02:25:34,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 02:25:34,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 02:25:34,657 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 02:25:34,657 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-23 02:25:34,657 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 02:25:34,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-23 02:25:34,687 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:25:34,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:25:34,688 INFO L158 Benchmark]: Toolchain (without parser) took 2902.68ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 54.7MB in the beginning and 90.0MB in the end (delta: -35.3MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2021-11-23 02:25:34,689 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:25:34,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.77ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 54.3MB in the beginning and 84.0MB in the end (delta: -29.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 02:25:34,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.34ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 82.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:25:34,690 INFO L158 Benchmark]: Boogie Preprocessor took 49.97ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:25:34,691 INFO L158 Benchmark]: RCFGBuilder took 722.30ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 61.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 02:25:34,691 INFO L158 Benchmark]: TraceAbstraction took 1267.51ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 52.8MB in the end (delta: 8.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-23 02:25:34,692 INFO L158 Benchmark]: Witness Printer took 102.54ms. Allocated memory is still 117.4MB. Free memory was 52.8MB in the beginning and 90.0MB in the end (delta: -37.2MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 02:25:34,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.77ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 54.3MB in the beginning and 84.0MB in the end (delta: -29.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.34ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 82.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.97ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 722.30ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 61.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1267.51ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 52.8MB in the end (delta: 8.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Witness Printer took 102.54ms. Allocated memory is still 117.4MB. Free memory was 52.8MB in the beginning and 90.0MB in the end (delta: -37.2MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 912]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 119 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 87 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 150 PreInvPairs, 177 NumberOfFragments, 145 HoareAnnotationTreeSize, 150 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 02:25:34,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a6a2506-0976-443c-b17e-cc3c8bd5bf91/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE