./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.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_989ac3c5-480c-4338-ab2f-411e2e2308be/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/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_989ac3c5-480c-4338-ab2f-411e2e2308be/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/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_989ac3c5-480c-4338-ab2f-411e2e2308be/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 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:13:07,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:13:07,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:13:07,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:13:07,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:13:07,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:13:07,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:13:07,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:13:07,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:13:07,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:13:07,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:13:07,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:13:07,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:13:07,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:13:07,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:13:07,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:13:07,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:13:07,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:13:07,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:13:07,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:13:07,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:13:07,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:13:07,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:13:07,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:13:07,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:13:07,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:13:07,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:13:07,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:13:07,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:13:07,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:13:07,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:13:07,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:13:07,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:13:07,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:13:07,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:13:07,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:13:07,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:13:07,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:13:07,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:13:07,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:13:07,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:13:07,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:13:07,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:13:07,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:13:07,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:13:07,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:13:07,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:13:07,476 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:13:07,476 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:13:07,477 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:13:07,477 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:13:07,477 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:13:07,478 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:13:07,479 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:13:07,479 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:13:07,479 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:13:07,480 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:13:07,480 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:13:07,480 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:13:07,480 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:13:07,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:13:07,482 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:13:07,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:13:07,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:13:07,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:13:07,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:13:07,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:13:07,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:13:07,485 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:13:07,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:13:07,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:13:07,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:13:07,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:13:07,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:13:07,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:13:07,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:13:07,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:13:07,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:13:07,488 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:13:07,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:13:07,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:13:07,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:13:07,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:13:07,490 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_989ac3c5-480c-4338-ab2f-411e2e2308be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a [2021-11-23 02:13:07,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:13:07,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:13:07,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:13:07,813 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:13:07,813 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:13:07,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-11-23 02:13:07,897 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/bin/utaipan-EQgc7hIp5V/data/96517f412/a7ec9c4c788c4f57a3b6c3bf51dc3502/FLAGc291621b6 [2021-11-23 02:13:08,435 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:13:08,436 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-11-23 02:13:08,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/bin/utaipan-EQgc7hIp5V/data/96517f412/a7ec9c4c788c4f57a3b6c3bf51dc3502/FLAGc291621b6 [2021-11-23 02:13:08,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/bin/utaipan-EQgc7hIp5V/data/96517f412/a7ec9c4c788c4f57a3b6c3bf51dc3502 [2021-11-23 02:13:08,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:13:08,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:13:08,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:13:08,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:13:08,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:13:08,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:08" (1/1) ... [2021-11-23 02:13:08,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359e94c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:08, skipping insertion in model container [2021-11-23 02:13:08,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:08" (1/1) ... [2021-11-23 02:13:08,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:13:08,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:13:09,104 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_989ac3c5-480c-4338-ab2f-411e2e2308be/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2021-11-23 02:13:09,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:13:09,160 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:13:09,217 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_989ac3c5-480c-4338-ab2f-411e2e2308be/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2021-11-23 02:13:09,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:13:09,263 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:13:09,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09 WrapperNode [2021-11-23 02:13:09,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:13:09,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:13:09,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:13:09,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:13:09,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2021-11-23 02:13:09,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2021-11-23 02:13:09,323 INFO L137 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 21, calls inlined = 15, statements flattened = 189 [2021-11-23 02:13:09,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:13:09,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:13:09,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:13:09,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:13:09,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2021-11-23 02:13:09,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2021-11-23 02:13:09,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2021-11-23 02:13:09,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2021-11-23 02:13:09,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2021-11-23 02:13:09,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2021-11-23 02:13:09,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2021-11-23 02:13:09,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:13:09,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:13:09,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:13:09,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:13:09,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2021-11-23 02:13:09,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:13:09,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:13:09,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:13:09,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:13:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:13:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 02:13:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 02:13:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 02:13:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 02:13:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 02:13:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 02:13:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:13:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 02:13:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 02:13:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:13:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:13:09,601 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:13:09,604 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:13:09,953 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:13:10,068 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:13:10,073 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 02:13:10,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:10 BoogieIcfgContainer [2021-11-23 02:13:10,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:13:10,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:13:10,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:13:10,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:13:10,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:13:08" (1/3) ... [2021-11-23 02:13:10,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30df2c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:13:10, skipping insertion in model container [2021-11-23 02:13:10,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (2/3) ... [2021-11-23 02:13:10,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30df2c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:13:10, skipping insertion in model container [2021-11-23 02:13:10,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:10" (3/3) ... [2021-11-23 02:13:10,089 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2021-11-23 02:13:10,102 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:13:10,102 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:13:10,166 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:13:10,176 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 02:13:10,176 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:13:10,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.434782608695652) internal successors, (33), 27 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-23 02:13:10,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 02:13:10,201 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:13:10,202 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:13:10,202 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:13:10,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:13:10,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1326448808, now seen corresponding path program 1 times [2021-11-23 02:13:10,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:13:10,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920253634] [2021-11-23 02:13:10,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:13:10,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:13:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:13:10,472 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 02:13:10,473 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:13:10,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920253634] [2021-11-23 02:13:10,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920253634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:13:10,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:13:10,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:13:10,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893959456] [2021-11-23 02:13:10,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:13:10,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:13:10,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:13:10,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:13:10,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:13:10,522 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.434782608695652) internal successors, (33), 27 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:13:10,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:13:10,583 INFO L93 Difference]: Finished difference Result 68 states and 91 transitions. [2021-11-23 02:13:10,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:13:10,586 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-23 02:13:10,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:13:10,595 INFO L225 Difference]: With dead ends: 68 [2021-11-23 02:13:10,595 INFO L226 Difference]: Without dead ends: 30 [2021-11-23 02:13:10,599 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 02:13:10,604 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:13:10,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:13:10,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-23 02:13:10,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-11-23 02:13:10,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 02:13:10,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2021-11-23 02:13:10,646 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 10 [2021-11-23 02:13:10,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:13:10,647 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2021-11-23 02:13:10,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:13:10,647 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2021-11-23 02:13:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 02:13:10,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:13:10,650 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:13:10,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:13:10,650 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:13:10,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:13:10,652 INFO L85 PathProgramCache]: Analyzing trace with hash -986522144, now seen corresponding path program 1 times [2021-11-23 02:13:10,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:13:10,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384346758] [2021-11-23 02:13:10,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:13:10,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:13:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:13:10,727 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 02:13:10,727 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:13:10,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384346758] [2021-11-23 02:13:10,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384346758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:13:10,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:13:10,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:13:10,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605720822] [2021-11-23 02:13:10,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:13:10,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:13:10,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:13:10,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:13:10,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:13:10,732 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:13:10,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:13:10,772 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2021-11-23 02:13:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:13:10,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-23 02:13:10,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:13:10,777 INFO L225 Difference]: With dead ends: 37 [2021-11-23 02:13:10,777 INFO L226 Difference]: Without dead ends: 22 [2021-11-23 02:13:10,778 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 02:13:10,780 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 7 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:13:10,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 23 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:13:10,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-23 02:13:10,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-11-23 02:13:10,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-23 02:13:10,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2021-11-23 02:13:10,787 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2021-11-23 02:13:10,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:13:10,787 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-11-23 02:13:10,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:13:10,788 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2021-11-23 02:13:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 02:13:10,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:13:10,788 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:13:10,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:13:10,789 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:13:10,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:13:10,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1739153587, now seen corresponding path program 1 times [2021-11-23 02:13:10,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:13:10,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160452565] [2021-11-23 02:13:10,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:13:10,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:13:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:13:10,933 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 02:13:10,933 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:13:10,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160452565] [2021-11-23 02:13:10,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160452565] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:13:10,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:13:10,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:13:10,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519213164] [2021-11-23 02:13:10,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:13:10,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:13:10,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:13:10,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:13:10,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:13:10,937 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:13:10,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:13:10,983 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2021-11-23 02:13:10,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:13:10,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-23 02:13:10,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:13:10,985 INFO L225 Difference]: With dead ends: 24 [2021-11-23 02:13:10,985 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 02:13:10,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 02:13:10,987 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 15 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:13:10,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 28 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:13:11,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 02:13:11,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 02:13:11,010 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 02:13:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 02:13:11,011 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-11-23 02:13:11,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:13:11,011 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 02:13:11,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:13:11,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 02:13:11,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 02:13:11,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:13:11,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:13:11,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 02:13:11,087 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 790 801) the Hoare annotation is: true [2021-11-23 02:13:11,087 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 790 801) no Hoare annotation was computed. [2021-11-23 02:13:11,087 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-11-23 02:13:11,088 INFO L854 garLoopResultBuilder]: At program point L449(line 449) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-11-23 02:13:11,088 INFO L861 garLoopResultBuilder]: At program point L61(lines 61 74) the Hoare annotation is: true [2021-11-23 02:13:11,088 INFO L861 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: true [2021-11-23 02:13:11,089 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 567 590) the Hoare annotation is: true [2021-11-23 02:13:11,089 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 567 590) no Hoare annotation was computed. [2021-11-23 02:13:11,089 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-11-23 02:13:11,089 INFO L861 garLoopResultBuilder]: At program point L481(lines 456 485) the Hoare annotation is: true [2021-11-23 02:13:11,090 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 456 485) no Hoare annotation was computed. [2021-11-23 02:13:11,090 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-11-23 02:13:11,090 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 456 485) the Hoare annotation is: true [2021-11-23 02:13:11,090 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-11-23 02:13:11,091 INFO L861 garLoopResultBuilder]: At program point L470-1(lines 470 474) the Hoare annotation is: true [2021-11-23 02:13:11,091 INFO L861 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: true [2021-11-23 02:13:11,091 INFO L861 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: true [2021-11-23 02:13:11,092 INFO L858 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2021-11-23 02:13:11,092 INFO L854 garLoopResultBuilder]: At program point L729(line 729) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:13:11,092 INFO L861 garLoopResultBuilder]: At program point L758(lines 697 762) the Hoare annotation is: true [2021-11-23 02:13:11,092 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 723) no Hoare annotation was computed. [2021-11-23 02:13:11,093 INFO L858 garLoopResultBuilder]: For program point L717-1(lines 717 723) no Hoare annotation was computed. [2021-11-23 02:13:11,093 INFO L854 garLoopResultBuilder]: At program point L544(lines 544 551) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-11-23 02:13:11,093 INFO L861 garLoopResultBuilder]: At program point L544-2(lines 544 551) the Hoare annotation is: true [2021-11-23 02:13:11,093 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-11-23 02:13:11,094 INFO L854 garLoopResultBuilder]: At program point L755(lines 706 756) the Hoare annotation is: false [2021-11-23 02:13:11,094 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:13:11,094 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 733) no Hoare annotation was computed. [2021-11-23 02:13:11,095 INFO L854 garLoopResultBuilder]: At program point L727-1(lines 727 733) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:13:11,095 INFO L854 garLoopResultBuilder]: At program point L752(lines 707 754) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:13:11,095 INFO L854 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:13:11,096 INFO L854 garLoopResultBuilder]: At program point L745-2(lines 737 750) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:13:11,096 INFO L858 garLoopResultBuilder]: For program point L708(lines 707 754) no Hoare annotation was computed. [2021-11-23 02:13:11,096 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 778 789) no Hoare annotation was computed. [2021-11-23 02:13:11,096 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 778 789) the Hoare annotation is: true [2021-11-23 02:13:11,100 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-23 02:13:11,102 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:13:11,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:13:11 BoogieIcfgContainer [2021-11-23 02:13:11,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:13:11,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:13:11,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:13:11,119 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:13:11,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:10" (3/4) ... [2021-11-23 02:13:11,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:13:11,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 02:13:11,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 02:13:11,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 02:13:11,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 02:13:11,140 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2021-11-23 02:13:11,140 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-23 02:13:11,141 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 02:13:11,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 02:13:11,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 02:13:11,143 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:13:11,144 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:13:11,201 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:13:11,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:13:11,202 INFO L158 Benchmark]: Toolchain (without parser) took 2448.42ms. Allocated memory is still 136.3MB. Free memory was 101.4MB in the beginning and 100.7MB in the end (delta: 656.6kB). Peak memory consumption was 845.8kB. Max. memory is 16.1GB. [2021-11-23 02:13:11,203 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:13:11,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.77ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 104.6MB in the end (delta: -3.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 02:13:11,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.01ms. Allocated memory is still 136.3MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:13:11,204 INFO L158 Benchmark]: Boogie Preprocessor took 44.69ms. Allocated memory is still 136.3MB. Free memory was 102.5MB in the beginning and 101.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:13:11,205 INFO L158 Benchmark]: RCFGBuilder took 706.67ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 82.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 02:13:11,205 INFO L158 Benchmark]: TraceAbstraction took 1037.64ms. Allocated memory is still 136.3MB. Free memory was 82.3MB in the beginning and 105.8MB in the end (delta: -23.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:13:11,206 INFO L158 Benchmark]: Witness Printer took 82.90ms. Allocated memory is still 136.3MB. Free memory was 105.8MB in the beginning and 100.7MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 02:13:11,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory was 64.9MB in the beginning and 64.9MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.77ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 104.6MB in the end (delta: -3.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.01ms. Allocated memory is still 136.3MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.69ms. Allocated memory is still 136.3MB. Free memory was 102.5MB in the beginning and 101.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 706.67ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 82.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1037.64ms. Allocated memory is still 136.3MB. Free memory was 82.3MB in the beginning and 105.8MB in the end (delta: -23.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.90ms. Allocated memory is still 136.3MB. Free memory was 105.8MB in the beginning and 100.7MB in the end (delta: 5.1MB). 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: 449]: 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 5 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 60 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 48 PreInvPairs, 58 NumberOfFragments, 56 HoareAnnotationTreeSize, 48 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 35 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-23 02:13:11,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989ac3c5-480c-4338-ab2f-411e2e2308be/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