./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.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_dc11c4e9-0363-4838-b9a9-a98681f3fabc/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/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_dc11c4e9-0363-4838-b9a9-a98681f3fabc/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/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_dc11c4e9-0363-4838-b9a9-a98681f3fabc/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 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:36:35,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:36:35,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:36:35,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:36:35,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:36:35,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:36:35,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:36:35,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:36:35,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:36:35,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:36:35,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:36:35,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:36:35,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:36:35,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:36:35,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:36:35,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:36:35,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:36:35,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:36:35,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:36:35,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:36:35,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:36:35,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:36:35,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:36:35,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:36:35,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:36:35,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:36:35,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:36:35,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:36:35,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:36:35,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:36:35,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:36:35,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:36:35,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:36:35,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:36:35,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:36:35,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:36:35,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:36:35,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:36:35,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:36:35,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:36:35,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:36:35,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:36:35,409 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:36:35,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:36:35,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:36:35,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:36:35,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:36:35,411 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:36:35,411 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:36:35,411 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:36:35,412 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:36:35,412 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:36:35,412 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:36:35,412 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:36:35,412 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:36:35,413 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:36:35,413 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:36:35,413 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:36:35,413 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:36:35,414 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:36:35,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:36:35,415 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:36:35,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:36:35,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:36:35,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:36:35,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:36:35,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:36:35,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:36:35,416 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:36:35,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:36:35,416 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:36:35,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:36:35,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:36:35,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:36:35,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:36:35,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:36:35,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:36:35,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:36:35,418 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:36:35,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:36:35,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:36:35,419 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:36:35,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:36:35,419 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_dc11c4e9-0363-4838-b9a9-a98681f3fabc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 [2021-11-23 02:36:35,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:36:35,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:36:35,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:36:35,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:36:35,761 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:36:35,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-11-23 02:36:35,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/bin/utaipan-EQgc7hIp5V/data/4679b1cbf/977c1d768c61435fb057e51ea53ca76e/FLAGa75667152 [2021-11-23 02:36:36,622 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:36:36,626 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2021-11-23 02:36:36,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/bin/utaipan-EQgc7hIp5V/data/4679b1cbf/977c1d768c61435fb057e51ea53ca76e/FLAGa75667152 [2021-11-23 02:36:36,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/bin/utaipan-EQgc7hIp5V/data/4679b1cbf/977c1d768c61435fb057e51ea53ca76e [2021-11-23 02:36:36,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:36:36,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:36:36,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:36:36,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:36:36,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:36:36,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:36:36" (1/1) ... [2021-11-23 02:36:36,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330d7690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:36, skipping insertion in model container [2021-11-23 02:36:36,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:36:36" (1/1) ... [2021-11-23 02:36:36,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:36:36,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:36:37,261 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_dc11c4e9-0363-4838-b9a9-a98681f3fabc/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2021-11-23 02:36:37,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:36:37,291 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:36:37,367 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_dc11c4e9-0363-4838-b9a9-a98681f3fabc/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2021-11-23 02:36:37,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:36:37,399 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:36:37,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:37 WrapperNode [2021-11-23 02:36:37,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:36:37,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:36:37,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:36:37,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:36:37,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:37" (1/1) ... [2021-11-23 02:36:37,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:37" (1/1) ... [2021-11-23 02:36:37,460 INFO L137 Inliner]: procedures = 55, calls = 153, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 227 [2021-11-23 02:36:37,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:36:37,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:36:37,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:36:37,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:36:37,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:37" (1/1) ... [2021-11-23 02:36:37,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:37" (1/1) ... [2021-11-23 02:36:37,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:37" (1/1) ... [2021-11-23 02:36:37,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:37" (1/1) ... [2021-11-23 02:36:37,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:37" (1/1) ... [2021-11-23 02:36:37,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:37" (1/1) ... [2021-11-23 02:36:37,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:37" (1/1) ... [2021-11-23 02:36:37,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:36:37,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:36:37,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:36:37,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:36:37,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:37" (1/1) ... [2021-11-23 02:36:37,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:36:37,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:36:37,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:36:37,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:36:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:36:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 02:36:37,591 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 02:36:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 02:36:37,592 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 02:36:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 02:36:37,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 02:36:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 02:36:37,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 02:36:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 02:36:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 02:36:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 02:36:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 02:36:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:36:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 02:36:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 02:36:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:36:37,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:36:37,667 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:36:37,669 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:36:38,050 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:36:38,141 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:36:38,142 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 02:36:38,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:36:38 BoogieIcfgContainer [2021-11-23 02:36:38,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:36:38,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:36:38,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:36:38,155 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:36:38,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:36:36" (1/3) ... [2021-11-23 02:36:38,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fc9c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:36:38, skipping insertion in model container [2021-11-23 02:36:38,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:36:37" (2/3) ... [2021-11-23 02:36:38,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fc9c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:36:38, skipping insertion in model container [2021-11-23 02:36:38,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:36:38" (3/3) ... [2021-11-23 02:36:38,159 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2021-11-23 02:36:38,165 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:36:38,165 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:36:38,233 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:36:38,241 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 02:36:38,241 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:36:38,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 44 states have internal predecessors, (54), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 02:36:38,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 02:36:38,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:36:38,275 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:36:38,276 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:36:38,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:36:38,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1731831019, now seen corresponding path program 1 times [2021-11-23 02:36:38,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:36:38,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193255018] [2021-11-23 02:36:38,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:36:38,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:36:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:36:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:36:38,629 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:36:38,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193255018] [2021-11-23 02:36:38,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193255018] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:36:38,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:36:38,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:36:38,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779094593] [2021-11-23 02:36:38,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:36:38,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:36:38,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:36:38,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:36:38,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:36:38,689 INFO L87 Difference]: Start difference. First operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 44 states have internal predecessors, (54), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:36:38,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:36:38,792 INFO L93 Difference]: Finished difference Result 112 states and 153 transitions. [2021-11-23 02:36:38,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:36:38,795 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-11-23 02:36:38,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:36:38,810 INFO L225 Difference]: With dead ends: 112 [2021-11-23 02:36:38,810 INFO L226 Difference]: Without dead ends: 52 [2021-11-23 02:36:38,819 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 02:36:38,824 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:36:38,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:36:38,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-23 02:36:38,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-11-23 02:36:38,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 40 states have internal predecessors, (46), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2021-11-23 02:36:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 67 transitions. [2021-11-23 02:36:38,885 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 67 transitions. Word has length 17 [2021-11-23 02:36:38,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:36:38,886 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 67 transitions. [2021-11-23 02:36:38,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:36:38,888 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2021-11-23 02:36:38,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:36:38,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:36:38,893 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:36:38,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:36:38,895 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:36:38,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:36:38,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1400067243, now seen corresponding path program 1 times [2021-11-23 02:36:38,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:36:38,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357976987] [2021-11-23 02:36:38,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:36:38,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:36:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:36:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:36:38,994 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:36:38,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357976987] [2021-11-23 02:36:38,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357976987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:36:38,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:36:38,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:36:38,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533262883] [2021-11-23 02:36:38,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:36:38,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:36:38,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:36:38,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:36:38,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:36:38,999 INFO L87 Difference]: Start difference. First operand 52 states and 67 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:36:39,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:36:39,038 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions. [2021-11-23 02:36:39,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:36:39,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-11-23 02:36:39,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:36:39,040 INFO L225 Difference]: With dead ends: 76 [2021-11-23 02:36:39,040 INFO L226 Difference]: Without dead ends: 44 [2021-11-23 02:36:39,041 INFO L932 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 [2021-11-23 02:36:39,043 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 14 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:36:39,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 70 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:36:39,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-11-23 02:36:39,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-11-23 02:36:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 35 states have internal predecessors, (40), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 02:36:39,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2021-11-23 02:36:39,053 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 18 [2021-11-23 02:36:39,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:36:39,053 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2021-11-23 02:36:39,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:36:39,054 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2021-11-23 02:36:39,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 02:36:39,055 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:36:39,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:36:39,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:36:39,056 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:36:39,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:36:39,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1108894623, now seen corresponding path program 1 times [2021-11-23 02:36:39,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:36:39,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100494719] [2021-11-23 02:36:39,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:36:39,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:36:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:36:39,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:36:39,109 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:36:39,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100494719] [2021-11-23 02:36:39,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100494719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:36:39,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:36:39,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:36:39,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620740886] [2021-11-23 02:36:39,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:36:39,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:36:39,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:36:39,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:36:39,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:36:39,113 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:36:39,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:36:39,172 INFO L93 Difference]: Finished difference Result 128 states and 165 transitions. [2021-11-23 02:36:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:36:39,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2021-11-23 02:36:39,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:36:39,174 INFO L225 Difference]: With dead ends: 128 [2021-11-23 02:36:39,175 INFO L226 Difference]: Without dead ends: 86 [2021-11-23 02:36:39,176 INFO L932 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 [2021-11-23 02:36:39,177 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 50 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:36:39,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 100 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:36:39,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-11-23 02:36:39,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2021-11-23 02:36:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 65 states have internal predecessors, (75), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 02:36:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2021-11-23 02:36:39,201 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 21 [2021-11-23 02:36:39,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:36:39,201 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2021-11-23 02:36:39,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:36:39,202 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2021-11-23 02:36:39,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:36:39,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:36:39,205 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:36:39,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:36:39,205 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:36:39,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:36:39,207 INFO L85 PathProgramCache]: Analyzing trace with hash 960766428, now seen corresponding path program 1 times [2021-11-23 02:36:39,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:36:39,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856641006] [2021-11-23 02:36:39,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:36:39,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:36:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:36:39,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:36:39,284 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:36:39,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856641006] [2021-11-23 02:36:39,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856641006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:36:39,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:36:39,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 02:36:39,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234968403] [2021-11-23 02:36:39,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:36:39,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:36:39,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:36:39,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:36:39,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:36:39,288 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:36:39,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:36:39,419 INFO L93 Difference]: Finished difference Result 241 states and 314 transitions. [2021-11-23 02:36:39,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 02:36:39,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-11-23 02:36:39,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:36:39,423 INFO L225 Difference]: With dead ends: 241 [2021-11-23 02:36:39,423 INFO L226 Difference]: Without dead ends: 160 [2021-11-23 02:36:39,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 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 02:36:39,426 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 32 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:36:39,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 219 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:36:39,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-11-23 02:36:39,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 152. [2021-11-23 02:36:39,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 118 states have internal predecessors, (135), 30 states have call successors, (30), 22 states have call predecessors, (30), 22 states have return successors, (30), 20 states have call predecessors, (30), 30 states have call successors, (30) [2021-11-23 02:36:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 195 transitions. [2021-11-23 02:36:39,464 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 195 transitions. Word has length 24 [2021-11-23 02:36:39,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:36:39,464 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 195 transitions. [2021-11-23 02:36:39,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:36:39,465 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 195 transitions. [2021-11-23 02:36:39,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 02:36:39,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:36:39,467 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:36:39,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:36:39,468 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:36:39,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:36:39,469 INFO L85 PathProgramCache]: Analyzing trace with hash -726835822, now seen corresponding path program 1 times [2021-11-23 02:36:39,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:36:39,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293360541] [2021-11-23 02:36:39,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:36:39,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:36:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:36:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:36:39,528 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:36:39,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293360541] [2021-11-23 02:36:39,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293360541] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:36:39,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:36:39,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:36:39,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154100022] [2021-11-23 02:36:39,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:36:39,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:36:39,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:36:39,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:36:39,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:36:39,539 INFO L87 Difference]: Start difference. First operand 152 states and 195 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:36:39,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:36:39,628 INFO L93 Difference]: Finished difference Result 278 states and 355 transitions. [2021-11-23 02:36:39,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:36:39,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2021-11-23 02:36:39,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:36:39,633 INFO L225 Difference]: With dead ends: 278 [2021-11-23 02:36:39,634 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 02:36:39,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:36:39,638 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 24 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:36:39,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 55 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:36:39,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 02:36:39,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 02:36:39,640 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 02:36:39,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 02:36:39,640 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-11-23 02:36:39,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:36:39,641 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 02:36:39,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:36:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 02:36:39,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 02:36:39,644 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:36:39,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:36:39,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 02:36:40,115 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 841 848) the Hoare annotation is: true [2021-11-23 02:36:40,115 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2021-11-23 02:36:40,116 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 800 806) no Hoare annotation was computed. [2021-11-23 02:36:40,116 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 800 806) the Hoare annotation is: true [2021-11-23 02:36:40,116 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 162 173) the Hoare annotation is: true [2021-11-23 02:36:40,116 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 162 173) no Hoare annotation was computed. [2021-11-23 02:36:40,116 INFO L858 garLoopResultBuilder]: For program point L787-1(lines 787 793) no Hoare annotation was computed. [2021-11-23 02:36:40,117 INFO L858 garLoopResultBuilder]: For program point L816(lines 816 824) no Hoare annotation was computed. [2021-11-23 02:36:40,117 INFO L854 garLoopResultBuilder]: At program point L812(lines 812 829) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:36:40,117 INFO L858 garLoopResultBuilder]: For program point L780-1(lines 779 798) no Hoare annotation was computed. [2021-11-23 02:36:40,117 INFO L858 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2021-11-23 02:36:40,118 INFO L854 garLoopResultBuilder]: At program point L70(lines 70 87) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)) (or .cse0 (= ~pumpRunning~0 0)))) [2021-11-23 02:36:40,118 INFO L854 garLoopResultBuilder]: At program point L70-1(lines 62 90) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)) (or .cse0 (= ~pumpRunning~0 0)))) [2021-11-23 02:36:40,118 INFO L854 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 02:36:40,118 INFO L854 garLoopResultBuilder]: At program point L818(line 818) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 02:36:40,119 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-11-23 02:36:40,119 INFO L854 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:36:40,120 INFO L854 garLoopResultBuilder]: At program point L827-1(lines 808 832) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:36:40,120 INFO L854 garLoopResultBuilder]: At program point L695(line 695) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 02:36:40,120 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 776 799) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:36:40,121 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 776 799) no Hoare annotation was computed. [2021-11-23 02:36:40,121 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2021-11-23 02:36:40,121 INFO L854 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:36:40,121 INFO L858 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2021-11-23 02:36:40,121 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2021-11-23 02:36:40,122 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2021-11-23 02:36:40,122 INFO L861 garLoopResultBuilder]: At program point L252(lines 227 256) the Hoare annotation is: true [2021-11-23 02:36:40,122 INFO L858 garLoopResultBuilder]: For program point L248(line 248) no Hoare annotation was computed. [2021-11-23 02:36:40,122 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 245) no Hoare annotation was computed. [2021-11-23 02:36:40,122 INFO L861 garLoopResultBuilder]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2021-11-23 02:36:40,123 INFO L861 garLoopResultBuilder]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2021-11-23 02:36:40,123 INFO L861 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: true [2021-11-23 02:36:40,123 INFO L858 garLoopResultBuilder]: For program point L233-1(line 233) no Hoare annotation was computed. [2021-11-23 02:36:40,123 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 174 182) the Hoare annotation is: true [2021-11-23 02:36:40,123 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 174 182) no Hoare annotation was computed. [2021-11-23 02:36:40,124 INFO L854 garLoopResultBuilder]: At program point L762(lines 711 763) the Hoare annotation is: false [2021-11-23 02:36:40,124 INFO L858 garLoopResultBuilder]: For program point L750(lines 750 756) no Hoare annotation was computed. [2021-11-23 02:36:40,124 INFO L854 garLoopResultBuilder]: At program point L750-2(lines 742 757) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:36:40,124 INFO L858 garLoopResultBuilder]: For program point L713(lines 712 761) no Hoare annotation was computed. [2021-11-23 02:36:40,129 INFO L854 garLoopResultBuilder]: At program point L742(lines 742 757) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:36:40,130 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 934) no Hoare annotation was computed. [2021-11-23 02:36:40,130 INFO L854 garLoopResultBuilder]: At program point L928-1(lines 928 934) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:36:40,130 INFO L854 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:36:40,131 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-11-23 02:36:40,131 INFO L854 garLoopResultBuilder]: At program point L759(lines 712 761) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:36:40,131 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2021-11-23 02:36:40,133 INFO L858 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2021-11-23 02:36:40,133 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:36:40,134 INFO L854 garLoopResultBuilder]: At program point L930(line 930) the Hoare annotation is: false [2021-11-23 02:36:40,134 INFO L861 garLoopResultBuilder]: At program point L765(lines 702 769) the Hoare annotation is: true [2021-11-23 02:36:40,134 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2021-11-23 02:36:40,134 INFO L858 garLoopResultBuilder]: For program point L732-1(lines 732 738) no Hoare annotation was computed. [2021-11-23 02:36:40,134 INFO L854 garLoopResultBuilder]: At program point L311(lines 311 318) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-23 02:36:40,135 INFO L861 garLoopResultBuilder]: At program point L311-2(lines 311 318) the Hoare annotation is: true [2021-11-23 02:36:40,135 INFO L854 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:36:40,135 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 150 161) no Hoare annotation was computed. [2021-11-23 02:36:40,135 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 150 161) the Hoare annotation is: true [2021-11-23 02:36:40,139 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-23 02:36:40,143 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:36:40,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:36:40 BoogieIcfgContainer [2021-11-23 02:36:40,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:36:40,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:36:40,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:36:40,168 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:36:40,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:36:38" (3/4) ... [2021-11-23 02:36:40,172 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:36:40,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 02:36:40,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 02:36:40,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 02:36:40,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 02:36:40,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 02:36:40,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 02:36:40,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 02:36:40,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2021-11-23 02:36:40,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 02:36:40,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 02:36:40,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 02:36:40,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 02:36:40,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:36:40,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:36:40,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 02:36:40,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 02:36:40,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 02:36:40,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) [2021-11-23 02:36:40,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) [2021-11-23 02:36:40,228 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-23 02:36:40,274 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:36:40,275 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:36:40,276 INFO L158 Benchmark]: Toolchain (without parser) took 3381.22ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 54.1MB in the beginning and 62.2MB in the end (delta: -8.2MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 02:36:40,277 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 88.1MB. Free memory was 42.3MB in the beginning and 42.3MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:36:40,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.43ms. Allocated memory is still 88.1MB. Free memory was 53.8MB in the beginning and 56.5MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 02:36:40,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.80ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 54.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:36:40,278 INFO L158 Benchmark]: Boogie Preprocessor took 45.46ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 52.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:36:40,278 INFO L158 Benchmark]: RCFGBuilder took 637.77ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 52.4MB in the beginning and 83.5MB in the end (delta: -31.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-23 02:36:40,279 INFO L158 Benchmark]: TraceAbstraction took 2020.31ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 68.5MB in the end (delta: 14.5MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2021-11-23 02:36:40,279 INFO L158 Benchmark]: Witness Printer took 107.18ms. Allocated memory is still 113.2MB. Free memory was 68.5MB in the beginning and 62.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 02:36:40,285 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18ms. Allocated memory is still 88.1MB. Free memory was 42.3MB in the beginning and 42.3MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.43ms. Allocated memory is still 88.1MB. Free memory was 53.8MB in the beginning and 56.5MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.80ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 54.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.46ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 52.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 637.77ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 52.4MB in the beginning and 83.5MB in the end (delta: -31.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2020.31ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 68.5MB in the end (delta: 14.5MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * Witness Printer took 107.18ms. Allocated memory is still 113.2MB. Free memory was 68.5MB in the beginning and 62.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 695]: 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 8 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 501 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 332 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 236 mSDtfsCounter, 184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=4, InterpolantAutomatonStates: 20, 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, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 254 PreInvPairs, 295 NumberOfFragments, 161 HoareAnnotationTreeSize, 254 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 877 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2021-11-23 02:36:40,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc11c4e9-0363-4838-b9a9-a98681f3fabc/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