./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:26:17,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:26:17,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:26:17,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:26:17,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:26:17,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:26:17,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:26:17,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:26:17,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:26:17,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:26:17,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:26:17,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:26:17,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:26:17,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:26:17,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:26:17,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:26:17,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:26:17,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:26:17,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:26:17,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:26:17,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:26:17,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:26:17,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:26:17,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:26:17,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:26:17,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:26:17,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:26:17,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:26:17,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:26:17,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:26:17,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:26:17,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:26:17,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:26:17,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:26:17,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:26:17,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:26:17,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:26:17,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:26:17,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:26:17,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:26:17,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:26:17,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 04:26:17,513 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:26:17,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:26:17,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:26:17,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:26:17,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:26:17,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:26:17,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:26:17,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:26:17,520 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:26:17,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:26:17,522 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:26:17,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:26:17,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:26:17,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:26:17,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:26:17,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:26:17,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:26:17,524 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:26:17,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:26:17,524 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:26:17,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:26:17,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:26:17,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:26:17,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:26:17,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:26:17,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:26:17,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:26:17,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:26:17,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:26:17,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:26:17,529 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:26:17,529 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:26:17,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:26:17,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:26:17,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 [2021-11-19 04:26:17,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:26:17,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:26:17,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:26:17,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:26:17,854 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:26:17,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-11-19 04:26:17,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/data/68fe0fa16/9db1180924f04bdca984c5a93da062c1/FLAG7e8595851 [2021-11-19 04:26:18,535 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:26:18,536 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-11-19 04:26:18,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/data/68fe0fa16/9db1180924f04bdca984c5a93da062c1/FLAG7e8595851 [2021-11-19 04:26:18,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/data/68fe0fa16/9db1180924f04bdca984c5a93da062c1 [2021-11-19 04:26:18,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:26:18,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:26:18,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:26:18,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:26:18,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:26:18,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:26:18" (1/1) ... [2021-11-19 04:26:18,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ce3bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:26:18, skipping insertion in model container [2021-11-19 04:26:18,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:26:18" (1/1) ... [2021-11-19 04:26:18,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:26:18,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:26:19,136 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_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-11-19 04:26:19,191 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:26:19,201 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:26:19,241 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_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-11-19 04:26:19,275 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:26:19,293 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:26:19,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:26:19 WrapperNode [2021-11-19 04:26:19,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:26:19,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:26:19,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:26:19,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:26:19,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:26:19" (1/1) ... [2021-11-19 04:26:19,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:26:19" (1/1) ... [2021-11-19 04:26:19,346 INFO L137 Inliner]: procedures = 50, calls = 145, calls flagged for inlining = 17, calls inlined = 14, statements flattened = 183 [2021-11-19 04:26:19,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:26:19,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:26:19,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:26:19,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:26:19,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:26:19" (1/1) ... [2021-11-19 04:26:19,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:26:19" (1/1) ... [2021-11-19 04:26:19,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:26:19" (1/1) ... [2021-11-19 04:26:19,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:26:19" (1/1) ... [2021-11-19 04:26:19,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:26:19" (1/1) ... [2021-11-19 04:26:19,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:26:19" (1/1) ... [2021-11-19 04:26:19,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:26:19" (1/1) ... [2021-11-19 04:26:19,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:26:19,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:26:19,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:26:19,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:26:19,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:26:19" (1/1) ... [2021-11-19 04:26:19,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:26:19,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:26:19,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:26:19,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:26:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:26:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-19 04:26:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-19 04:26:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-19 04:26:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-19 04:26:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-19 04:26:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-19 04:26:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-19 04:26:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-19 04:26:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:26:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-19 04:26:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-19 04:26:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:26:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:26:19,574 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:26:19,576 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:26:19,857 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:26:19,865 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:26:19,865 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 04:26:19,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:26:19 BoogieIcfgContainer [2021-11-19 04:26:19,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:26:19,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:26:19,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:26:19,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:26:19,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:26:18" (1/3) ... [2021-11-19 04:26:19,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e22675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:26:19, skipping insertion in model container [2021-11-19 04:26:19,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:26:19" (2/3) ... [2021-11-19 04:26:19,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46e22675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:26:19, skipping insertion in model container [2021-11-19 04:26:19,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:26:19" (3/3) ... [2021-11-19 04:26:19,892 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2021-11-19 04:26:19,898 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:26:19,912 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 04:26:19,960 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:26:19,968 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=PETRI_NET, 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 [2021-11-19 04:26:19,969 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 04:26:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 53 states have internal predecessors, (68), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-19 04:26:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-19 04:26:20,019 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:26:20,020 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] [2021-11-19 04:26:20,021 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:26:20,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:26:20,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1485626955, now seen corresponding path program 1 times [2021-11-19 04:26:20,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:26:20,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240141258] [2021-11-19 04:26:20,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:26:20,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:26:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:26:20,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:26:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:26:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:26:20,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:26:20,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240141258] [2021-11-19 04:26:20,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240141258] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:26:20,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:26:20,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 04:26:20,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53774099] [2021-11-19 04:26:20,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:26:20,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 04:26:20,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:26:20,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 04:26:20,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 04:26:20,343 INFO L87 Difference]: Start difference. First operand has 63 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 53 states have internal predecessors, (68), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-11-19 04:26:20,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:26:20,401 INFO L93 Difference]: Finished difference Result 118 states and 159 transitions. [2021-11-19 04:26:20,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 04:26:20,404 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2021-11-19 04:26:20,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:26:20,415 INFO L225 Difference]: With dead ends: 118 [2021-11-19 04:26:20,415 INFO L226 Difference]: Without dead ends: 54 [2021-11-19 04:26:20,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 04:26:20,429 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:26:20,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 04:26:20,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-19 04:26:20,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-19 04:26:20,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-19 04:26:20,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2021-11-19 04:26:20,482 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 23 [2021-11-19 04:26:20,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:26:20,483 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2021-11-19 04:26:20,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-11-19 04:26:20,484 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2021-11-19 04:26:20,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-19 04:26:20,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:26:20,487 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] [2021-11-19 04:26:20,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:26:20,488 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:26:20,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:26:20,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1153573553, now seen corresponding path program 1 times [2021-11-19 04:26:20,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:26:20,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405004305] [2021-11-19 04:26:20,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:26:20,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:26:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:26:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-19 04:26:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:26:20,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:26:20,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:26:20,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405004305] [2021-11-19 04:26:20,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405004305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:26:20,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:26:20,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 04:26:20,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573811003] [2021-11-19 04:26:20,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:26:20,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 04:26:20,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:26:20,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 04:26:20,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:26:20,622 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-19 04:26:20,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:26:20,635 INFO L93 Difference]: Finished difference Result 73 states and 89 transitions. [2021-11-19 04:26:20,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 04:26:20,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2021-11-19 04:26:20,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:26:20,637 INFO L225 Difference]: With dead ends: 73 [2021-11-19 04:26:20,638 INFO L226 Difference]: Without dead ends: 45 [2021-11-19 04:26:20,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 04:26:20,641 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 13 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:26:20,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 91 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 04:26:20,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-19 04:26:20,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-19 04:26:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 39 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 04:26:20,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2021-11-19 04:26:20,651 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 24 [2021-11-19 04:26:20,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:26:20,652 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2021-11-19 04:26:20,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-19 04:26:20,653 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2021-11-19 04:26:20,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-19 04:26:20,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:26:20,654 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, 1, 1] [2021-11-19 04:26:20,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 04:26:20,655 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:26:20,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:26:20,656 INFO L85 PathProgramCache]: Analyzing trace with hash 216720962, now seen corresponding path program 1 times [2021-11-19 04:26:20,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:26:20,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049181663] [2021-11-19 04:26:20,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:26:20,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:26:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:26:20,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-19 04:26:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:26:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:26:20,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:26:20,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049181663] [2021-11-19 04:26:20,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049181663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:26:20,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:26:20,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:26:20,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951320343] [2021-11-19 04:26:20,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:26:20,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:26:20,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:26:20,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:26:20,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:26:20,789 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-11-19 04:26:20,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:26:20,905 INFO L93 Difference]: Finished difference Result 83 states and 104 transitions. [2021-11-19 04:26:20,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:26:20,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29 [2021-11-19 04:26:20,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:26:20,907 INFO L225 Difference]: With dead ends: 83 [2021-11-19 04:26:20,907 INFO L226 Difference]: Without dead ends: 45 [2021-11-19 04:26:20,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 04:26:20,910 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 80 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:26:20,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 112 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 04:26:20,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-19 04:26:20,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-19 04:26:20,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 04:26:20,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2021-11-19 04:26:20,919 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 29 [2021-11-19 04:26:20,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:26:20,920 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2021-11-19 04:26:20,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-11-19 04:26:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2021-11-19 04:26:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-19 04:26:20,926 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:26:20,926 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, 1, 1, 1] [2021-11-19 04:26:20,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 04:26:20,942 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:26:20,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:26:20,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1766629655, now seen corresponding path program 1 times [2021-11-19 04:26:20,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:26:20,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214042065] [2021-11-19 04:26:20,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:26:20,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:26:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:26:21,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-19 04:26:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:26:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:26:21,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:26:21,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214042065] [2021-11-19 04:26:21,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214042065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:26:21,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:26:21,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:26:21,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146033141] [2021-11-19 04:26:21,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:26:21,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:26:21,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:26:21,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:26:21,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:26:21,048 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2021-11-19 04:26:21,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:26:21,085 INFO L93 Difference]: Finished difference Result 82 states and 101 transitions. [2021-11-19 04:26:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:26:21,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 30 [2021-11-19 04:26:21,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:26:21,087 INFO L225 Difference]: With dead ends: 82 [2021-11-19 04:26:21,087 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 04:26:21,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 04:26:21,090 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 32 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:26:21,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 136 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 04:26:21,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 04:26:21,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 04:26:21,093 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) [2021-11-19 04:26:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 04:26:21,093 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2021-11-19 04:26:21,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:26:21,094 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 04:26:21,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2021-11-19 04:26:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 04:26:21,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 04:26:21,098 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 04:26:21,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 04:26:21,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 04:26:21,270 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 433 444) the Hoare annotation is: true [2021-11-19 04:26:21,270 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 433 444) no Hoare annotation was computed. [2021-11-19 04:26:21,270 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 433 444) no Hoare annotation was computed. [2021-11-19 04:26:21,271 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 445 453) the Hoare annotation is: true [2021-11-19 04:26:21,271 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 445 453) no Hoare annotation was computed. [2021-11-19 04:26:21,271 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 445 453) no Hoare annotation was computed. [2021-11-19 04:26:21,271 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 366) no Hoare annotation was computed. [2021-11-19 04:26:21,272 INFO L861 garLoopResultBuilder]: At program point L353-1(lines 345 369) the Hoare annotation is: true [2021-11-19 04:26:21,272 INFO L861 garLoopResultBuilder]: At program point L351(line 351) the Hoare annotation is: true [2021-11-19 04:26:21,272 INFO L858 garLoopResultBuilder]: For program point L351-1(line 351) no Hoare annotation was computed. [2021-11-19 04:26:21,272 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 417) no Hoare annotation was computed. [2021-11-19 04:26:21,273 INFO L854 garLoopResultBuilder]: At program point L413-2(lines 409 420) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= ~pumpRunning~0 0))) [2021-11-19 04:26:21,273 INFO L858 garLoopResultBuilder]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2021-11-19 04:26:21,273 INFO L854 garLoopResultBuilder]: At program point L492(lines 487 494) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= ~pumpRunning~0 0))) [2021-11-19 04:26:21,273 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 165 188) no Hoare annotation was computed. [2021-11-19 04:26:21,273 INFO L854 garLoopResultBuilder]: At program point L228(lines 223 231) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0) (= 0 ~systemActive~0)) [2021-11-19 04:26:21,274 INFO L861 garLoopResultBuilder]: At program point L193(lines 189 195) the Hoare annotation is: true [2021-11-19 04:26:21,274 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 165 188) the Hoare annotation is: true [2021-11-19 04:26:21,274 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-11-19 04:26:21,274 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 165 188) no Hoare annotation was computed. [2021-11-19 04:26:21,275 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2021-11-19 04:26:21,275 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 168 187) no Hoare annotation was computed. [2021-11-19 04:26:21,275 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-11-19 04:26:21,275 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-11-19 04:26:21,276 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-11-19 04:26:21,276 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-11-19 04:26:21,276 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-11-19 04:26:21,276 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-11-19 04:26:21,277 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-11-19 04:26:21,277 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-11-19 04:26:21,277 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-11-19 04:26:21,277 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-11-19 04:26:21,277 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-11-19 04:26:21,278 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2021-11-19 04:26:21,278 INFO L854 garLoopResultBuilder]: At program point L325-2(lines 317 330) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-19 04:26:21,278 INFO L858 garLoopResultBuilder]: For program point L288(lines 287 334) no Hoare annotation was computed. [2021-11-19 04:26:21,278 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 04:26:21,279 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 04:26:21,279 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 330) no Hoare annotation was computed. [2021-11-19 04:26:21,279 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 04:26:21,279 INFO L854 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-19 04:26:21,280 INFO L861 garLoopResultBuilder]: At program point L338(lines 277 342) the Hoare annotation is: true [2021-11-19 04:26:21,280 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-11-19 04:26:21,280 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2021-11-19 04:26:21,280 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 303) no Hoare annotation was computed. [2021-11-19 04:26:21,281 INFO L858 garLoopResultBuilder]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2021-11-19 04:26:21,281 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 293) no Hoare annotation was computed. [2021-11-19 04:26:21,281 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 04:26:21,281 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2021-11-19 04:26:21,281 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-11-19 04:26:21,282 INFO L854 garLoopResultBuilder]: At program point L401(lines 396 404) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2021-11-19 04:26:21,282 INFO L854 garLoopResultBuilder]: At program point L273(lines 268 275) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-19 04:26:21,282 INFO L854 garLoopResultBuilder]: At program point L335(lines 286 336) the Hoare annotation is: false [2021-11-19 04:26:21,283 INFO L854 garLoopResultBuilder]: At program point L393(lines 389 395) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-11-19 04:26:21,283 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2021-11-19 04:26:21,283 INFO L858 garLoopResultBuilder]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2021-11-19 04:26:21,283 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (not (= 0 ~systemActive~0))) [2021-11-19 04:26:21,284 INFO L854 garLoopResultBuilder]: At program point L332(lines 287 334) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-19 04:26:21,284 INFO L854 garLoopResultBuilder]: At program point L299(line 299) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-19 04:26:21,284 INFO L854 garLoopResultBuilder]: At program point L386(lines 382 388) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-11-19 04:26:21,284 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 421 432) no Hoare annotation was computed. [2021-11-19 04:26:21,285 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 421 432) no Hoare annotation was computed. [2021-11-19 04:26:21,285 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 421 432) the Hoare annotation is: true [2021-11-19 04:26:21,289 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-19 04:26:21,291 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 04:26:21,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:26:21 BoogieIcfgContainer [2021-11-19 04:26:21,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 04:26:21,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 04:26:21,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 04:26:21,315 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 04:26:21,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:26:19" (3/4) ... [2021-11-19 04:26:21,319 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 04:26:21,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-19 04:26:21,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-19 04:26:21,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-19 04:26:21,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-19 04:26:21,329 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-19 04:26:21,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-11-19 04:26:21,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-19 04:26:21,341 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-19 04:26:21,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-19 04:26:21,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 04:26:21,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 04:26:21,343 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 04:26:21,370 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) [2021-11-19 04:26:21,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) [2021-11-19 04:26:21,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2021-11-19 04:26:21,376 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2021-11-19 04:26:21,377 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || \result == 0) || 0 == systemActive [2021-11-19 04:26:21,426 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 04:26:21,426 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 04:26:21,427 INFO L158 Benchmark]: Toolchain (without parser) took 2595.72ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 76.0MB in the beginning and 94.3MB in the end (delta: -18.3MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-19 04:26:21,428 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory was 61.8MB in the beginning and 61.8MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:26:21,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.42ms. Allocated memory is still 109.1MB. Free memory was 75.8MB in the beginning and 76.1MB in the end (delta: -329.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 04:26:21,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.63ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:26:21,430 INFO L158 Benchmark]: Boogie Preprocessor took 26.74ms. Allocated memory is still 109.1MB. Free memory was 74.0MB in the beginning and 72.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:26:21,431 INFO L158 Benchmark]: RCFGBuilder took 492.45ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 58.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-19 04:26:21,431 INFO L158 Benchmark]: TraceAbstraction took 1444.74ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 58.2MB in the beginning and 99.6MB in the end (delta: -41.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-11-19 04:26:21,432 INFO L158 Benchmark]: Witness Printer took 111.87ms. Allocated memory is still 134.2MB. Free memory was 99.6MB in the beginning and 94.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 04:26:21,435 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 109.1MB. Free memory was 61.8MB in the beginning and 61.8MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.42ms. Allocated memory is still 109.1MB. Free memory was 75.8MB in the beginning and 76.1MB in the end (delta: -329.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.63ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.74ms. Allocated memory is still 109.1MB. Free memory was 74.0MB in the beginning and 72.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.45ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 58.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1444.74ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 58.2MB in the beginning and 99.6MB in the end (delta: -41.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Witness Printer took 111.87ms. Allocated memory is still 134.2MB. Free memory was 99.6MB in the beginning and 94.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 491]: 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 6 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 415 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 190 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 225 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 92 PreInvPairs, 106 NumberOfFragments, 169 HoareAnnotationTreeSize, 92 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 127 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 172 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || \result == 0) || 0 == systemActive - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: systemActive == 0 || !(pumpRunning == 0) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: systemActive == 0 || !(pumpRunning == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-19 04:26:21,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b95f554-b7e3-40e0-aab2-9ba5757c3a0f/bin/uautomizer-ZXIjhQolGL/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