./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8 --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 b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:21:27,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:21:27,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:21:27,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:21:27,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:21:27,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:21:27,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:21:27,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:21:27,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:21:27,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:21:27,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:21:27,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:21:27,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:21:27,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:21:27,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:21:27,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:21:27,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:21:27,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:21:27,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:21:27,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:21:27,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:21:27,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:21:27,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:21:27,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:21:27,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:21:27,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:21:27,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:21:27,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:21:27,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:21:27,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:21:27,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:21:27,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:21:27,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:21:27,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:21:27,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:21:27,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:21:27,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:21:27,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:21:27,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:21:27,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:21:27,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:21:27,181 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 14:21:27,196 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:21:27,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:21:27,196 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:21:27,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:21:27,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:21:27,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:21:27,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:21:27,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:21:27,197 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:21:27,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:21:27,197 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:21:27,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:21:27,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:21:27,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:21:27,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:21:27,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:21:27,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:21:27,198 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:21:27,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:21:27,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:21:27,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:21:27,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:21:27,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:21:27,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:21:27,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:21:27,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:21:27,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:21:27,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:21:27,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:21:27,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:21:27,199 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:21:27,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:21:27,200 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:21:27,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:21:27,200 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:21:27,200 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 [2022-12-13 14:21:27,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:21:27,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:21:27,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:21:27,379 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:21:27,380 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:21:27,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2022-12-13 14:21:30,044 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:21:30,213 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:21:30,214 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2022-12-13 14:21:30,225 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/data/5ed780031/c956bd3c869449d1969d91ec86ff61b5/FLAGea476e050 [2022-12-13 14:21:30,238 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/data/5ed780031/c956bd3c869449d1969d91ec86ff61b5 [2022-12-13 14:21:30,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:21:30,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:21:30,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:21:30,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:21:30,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:21:30,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:21:30" (1/1) ... [2022-12-13 14:21:30,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@721ebb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30, skipping insertion in model container [2022-12-13 14:21:30,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:21:30" (1/1) ... [2022-12-13 14:21:30,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:21:30,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:21:30,422 WARN L237 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_e6514301-4989-4f73-afe5-ba0d2887d459/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2022-12-13 14:21:30,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:21:30,474 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:21:30,490 WARN L237 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_e6514301-4989-4f73-afe5-ba0d2887d459/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2022-12-13 14:21:30,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:21:30,529 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:21:30,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30 WrapperNode [2022-12-13 14:21:30,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:21:30,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:21:30,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:21:30,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:21:30,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30" (1/1) ... [2022-12-13 14:21:30,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30" (1/1) ... [2022-12-13 14:21:30,560 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 18, calls inlined = 14, statements flattened = 139 [2022-12-13 14:21:30,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:21:30,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:21:30,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:21:30,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:21:30,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30" (1/1) ... [2022-12-13 14:21:30,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30" (1/1) ... [2022-12-13 14:21:30,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30" (1/1) ... [2022-12-13 14:21:30,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30" (1/1) ... [2022-12-13 14:21:30,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30" (1/1) ... [2022-12-13 14:21:30,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30" (1/1) ... [2022-12-13 14:21:30,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30" (1/1) ... [2022-12-13 14:21:30,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30" (1/1) ... [2022-12-13 14:21:30,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:21:30,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:21:30,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:21:30,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:21:30,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30" (1/1) ... [2022-12-13 14:21:30,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:21:30,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:21:30,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:21:30,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:21:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:21:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-12-13 14:21:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-12-13 14:21:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 14:21:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 14:21:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 14:21:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 14:21:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 14:21:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 14:21:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-12-13 14:21:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-12-13 14:21:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-12-13 14:21:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-12-13 14:21:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-12-13 14:21:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-12-13 14:21:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:21:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 14:21:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 14:21:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:21:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:21:30,703 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:21:30,705 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:21:30,899 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:21:30,906 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:21:30,907 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 14:21:30,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:21:30 BoogieIcfgContainer [2022-12-13 14:21:30,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:21:30,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:21:30,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:21:30,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:21:30,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:21:30" (1/3) ... [2022-12-13 14:21:30,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562068c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:21:30, skipping insertion in model container [2022-12-13 14:21:30,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:21:30" (2/3) ... [2022-12-13 14:21:30,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562068c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:21:30, skipping insertion in model container [2022-12-13 14:21:30,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:21:30" (3/3) ... [2022-12-13 14:21:30,923 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2022-12-13 14:21:30,942 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:21:30,942 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:21:30,986 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:21:30,990 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c8e5967, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:21:30,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:21:30,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 67 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 14:21:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 14:21:31,000 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:21:31,000 INFO L195 NwaCegarLoop]: 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] [2022-12-13 14:21:31,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:21:31,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:21:31,004 INFO L85 PathProgramCache]: Analyzing trace with hash -2051400657, now seen corresponding path program 1 times [2022-12-13 14:21:31,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:21:31,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931399428] [2022-12-13 14:21:31,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:21:31,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:21:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:21:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 14:21:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:21:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:21:31,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:21:31,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931399428] [2022-12-13 14:21:31,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931399428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:21:31,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:21:31,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:21:31,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638324083] [2022-12-13 14:21:31,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:21:31,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:21:31,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:21:31,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:21:31,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:21:31,177 INFO L87 Difference]: Start difference. First operand has 83 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 67 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) 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) [2022-12-13 14:21:31,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:21:31,210 INFO L93 Difference]: Finished difference Result 158 states and 211 transitions. [2022-12-13 14:21:31,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:21:31,211 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 [2022-12-13 14:21:31,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:21:31,219 INFO L225 Difference]: With dead ends: 158 [2022-12-13 14:21:31,220 INFO L226 Difference]: Without dead ends: 74 [2022-12-13 14:21:31,222 INFO L412 NwaCegarLoop]: 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 [2022-12-13 14:21:31,225 INFO L413 NwaCegarLoop]: 102 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, 102 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 [2022-12-13 14:21:31,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:21:31,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-13 14:21:31,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-12-13 14:21:31,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 59 states have internal predecessors, (68), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 14:21:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2022-12-13 14:21:31,261 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 23 [2022-12-13 14:21:31,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:21:31,262 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2022-12-13 14:21:31,262 INFO L496 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) [2022-12-13 14:21:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2022-12-13 14:21:31,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 14:21:31,264 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:21:31,264 INFO L195 NwaCegarLoop]: 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] [2022-12-13 14:21:31,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:21:31,265 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:21:31,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:21:31,266 INFO L85 PathProgramCache]: Analyzing trace with hash -652927410, now seen corresponding path program 1 times [2022-12-13 14:21:31,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:21:31,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393363480] [2022-12-13 14:21:31,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:21:31,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:21:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:21:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 14:21:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:21:31,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:21:31,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:21:31,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393363480] [2022-12-13 14:21:31,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393363480] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:21:31,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:21:31,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:21:31,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908388820] [2022-12-13 14:21:31,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:21:31,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:21:31,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:21:31,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:21:31,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:21:31,373 INFO L87 Difference]: Start difference. First operand 74 states and 93 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) [2022-12-13 14:21:31,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:21:31,389 INFO L93 Difference]: Finished difference Result 110 states and 136 transitions. [2022-12-13 14:21:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:21:31,390 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 [2022-12-13 14:21:31,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:21:31,393 INFO L225 Difference]: With dead ends: 110 [2022-12-13 14:21:31,393 INFO L226 Difference]: Without dead ends: 65 [2022-12-13 14:21:31,393 INFO L412 NwaCegarLoop]: 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 [2022-12-13 14:21:31,394 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 16 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 139 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 [2022-12-13 14:21:31,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:21:31,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-12-13 14:21:31,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-12-13 14:21:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.297872340425532) internal successors, (61), 53 states have internal predecessors, (61), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 14:21:31,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2022-12-13 14:21:31,403 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 81 transitions. Word has length 24 [2022-12-13 14:21:31,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:21:31,404 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 81 transitions. [2022-12-13 14:21:31,404 INFO L496 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) [2022-12-13 14:21:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2022-12-13 14:21:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 14:21:31,405 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:21:31,405 INFO L195 NwaCegarLoop]: 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] [2022-12-13 14:21:31,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:21:31,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:21:31,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:21:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash 602617883, now seen corresponding path program 1 times [2022-12-13 14:21:31,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:21:31,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720854711] [2022-12-13 14:21:31,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:21:31,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:21:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:21:31,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 14:21:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:21:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:21:31,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:21:31,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720854711] [2022-12-13 14:21:31,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720854711] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:21:31,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:21:31,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:21:31,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053662146] [2022-12-13 14:21:31,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:21:31,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:21:31,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:21:31,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:21:31,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:21:31,537 INFO L87 Difference]: Start difference. First operand 65 states and 81 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2022-12-13 14:21:31,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:21:31,693 INFO L93 Difference]: Finished difference Result 222 states and 284 transitions. [2022-12-13 14:21:31,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:21:31,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 28 [2022-12-13 14:21:31,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:21:31,695 INFO L225 Difference]: With dead ends: 222 [2022-12-13 14:21:31,695 INFO L226 Difference]: Without dead ends: 164 [2022-12-13 14:21:31,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:21:31,697 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 167 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:21:31,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 419 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:21:31,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-12-13 14:21:31,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 158. [2022-12-13 14:21:31,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 113 states have (on average 1.336283185840708) internal successors, (151), 127 states have internal predecessors, (151), 25 states have call successors, (25), 19 states have call predecessors, (25), 19 states have return successors, (26), 19 states have call predecessors, (26), 25 states have call successors, (26) [2022-12-13 14:21:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 202 transitions. [2022-12-13 14:21:31,718 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 202 transitions. Word has length 28 [2022-12-13 14:21:31,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:21:31,718 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 202 transitions. [2022-12-13 14:21:31,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2022-12-13 14:21:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 202 transitions. [2022-12-13 14:21:31,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 14:21:31,719 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:21:31,719 INFO L195 NwaCegarLoop]: 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, 1, 1, 1] [2022-12-13 14:21:31,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:21:31,720 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:21:31,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:21:31,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1489211097, now seen corresponding path program 1 times [2022-12-13 14:21:31,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:21:31,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898657672] [2022-12-13 14:21:31,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:21:31,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:21:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:21:31,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 14:21:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:21:31,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 14:21:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:21:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:21:31,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:21:31,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898657672] [2022-12-13 14:21:31,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898657672] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:21:31,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:21:31,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:21:31,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881013793] [2022-12-13 14:21:31,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:21:31,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:21:31,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:21:31,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:21:31,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:21:31,838 INFO L87 Difference]: Start difference. First operand 158 states and 202 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 14:21:31,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:21:31,877 INFO L93 Difference]: Finished difference Result 278 states and 361 transitions. [2022-12-13 14:21:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:21:31,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-12-13 14:21:31,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:21:31,878 INFO L225 Difference]: With dead ends: 278 [2022-12-13 14:21:31,878 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 14:21:31,880 INFO L412 NwaCegarLoop]: 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 [2022-12-13 14:21:31,881 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 38 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:21:31,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 151 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:21:31,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 14:21:31,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 14:21:31,882 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) [2022-12-13 14:21:31,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 14:21:31,883 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2022-12-13 14:21:31,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:21:31,883 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:21:31,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 14:21:31,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:21:31,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 14:21:31,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 14:21:31,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:21:31,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 14:21:32,118 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 398 405) no Hoare annotation was computed. [2022-12-13 14:21:32,119 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 398 405) the Hoare annotation is: true [2022-12-13 14:21:32,119 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 398 405) no Hoare annotation was computed. [2022-12-13 14:21:32,119 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 184 195) no Hoare annotation was computed. [2022-12-13 14:21:32,119 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 184 195) the Hoare annotation is: true [2022-12-13 14:21:32,119 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 184 195) no Hoare annotation was computed. [2022-12-13 14:21:32,119 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 196 204) the Hoare annotation is: true [2022-12-13 14:21:32,120 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 196 204) no Hoare annotation was computed. [2022-12-13 14:21:32,120 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 196 204) no Hoare annotation was computed. [2022-12-13 14:21:32,120 INFO L899 garLoopResultBuilder]: For program point L320-1(lines 319 338) no Hoare annotation was computed. [2022-12-13 14:21:32,120 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 293) no Hoare annotation was computed. [2022-12-13 14:21:32,120 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 296) no Hoare annotation was computed. [2022-12-13 14:21:32,121 INFO L895 garLoopResultBuilder]: At program point L283-1(lines 275 299) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-12-13 14:21:32,121 INFO L895 garLoopResultBuilder]: At program point L362(line 362) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-12-13 14:21:32,121 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 316 339) no Hoare annotation was computed. [2022-12-13 14:21:32,121 INFO L895 garLoopResultBuilder]: At program point L358(line 358) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-12-13 14:21:32,121 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 168) no Hoare annotation was computed. [2022-12-13 14:21:32,121 INFO L895 garLoopResultBuilder]: At program point L164-2(lines 160 171) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-12-13 14:21:32,122 INFO L895 garLoopResultBuilder]: At program point L354(line 354) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-12-13 14:21:32,122 INFO L899 garLoopResultBuilder]: For program point L354-1(line 354) no Hoare annotation was computed. [2022-12-13 14:21:32,122 INFO L899 garLoopResultBuilder]: For program point L305(line 305) no Hoare annotation was computed. [2022-12-13 14:21:32,122 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-12-13 14:21:32,122 INFO L895 garLoopResultBuilder]: At program point L367-1(lines 348 372) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-12-13 14:21:32,122 INFO L895 garLoopResultBuilder]: At program point L281(line 281) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-12-13 14:21:32,122 INFO L899 garLoopResultBuilder]: For program point L281-1(line 281) no Hoare annotation was computed. [2022-12-13 14:21:32,123 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 301 308) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-12-13 14:21:32,123 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 316 339) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-12-13 14:21:32,123 INFO L899 garLoopResultBuilder]: For program point L327-1(lines 327 333) no Hoare annotation was computed. [2022-12-13 14:21:32,123 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 364) no Hoare annotation was computed. [2022-12-13 14:21:32,123 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 369) no Hoare annotation was computed. [2022-12-13 14:21:32,123 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 316 339) no Hoare annotation was computed. [2022-12-13 14:21:32,124 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 417 425) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-12-13 14:21:32,124 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2022-12-13 14:21:32,124 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-12-13 14:21:32,124 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-12-13 14:21:32,124 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-12-13 14:21:32,124 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-12-13 14:21:32,124 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-12-13 14:21:32,125 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-12-13 14:21:32,125 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-12-13 14:21:32,125 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2022-12-13 14:21:32,125 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-12-13 14:21:32,125 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-12-13 14:21:32,125 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 14:21:32,125 INFO L902 garLoopResultBuilder]: At program point L539(lines 478 543) the Hoare annotation is: true [2022-12-13 14:21:32,126 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 504) no Hoare annotation was computed. [2022-12-13 14:21:32,126 INFO L899 garLoopResultBuilder]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2022-12-13 14:21:32,126 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 117 126) the Hoare annotation is: true [2022-12-13 14:21:32,126 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 494) no Hoare annotation was computed. [2022-12-13 14:21:32,126 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 249 255) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-12-13 14:21:32,126 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 130 152) the Hoare annotation is: true [2022-12-13 14:21:32,126 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 14:21:32,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 14:21:32,127 INFO L895 garLoopResultBuilder]: At program point L536(lines 487 537) the Hoare annotation is: false [2022-12-13 14:21:32,127 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 472) no Hoare annotation was computed. [2022-12-13 14:21:32,127 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 466 472) no Hoare annotation was computed. [2022-12-13 14:21:32,127 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-12-13 14:21:32,127 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 530) no Hoare annotation was computed. [2022-12-13 14:21:32,127 INFO L895 garLoopResultBuilder]: At program point L524-2(lines 518 531) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 14:21:32,128 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-12-13 14:21:32,128 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-12-13 14:21:32,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 14:21:32,128 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2022-12-13 14:21:32,128 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 508 514) no Hoare annotation was computed. [2022-12-13 14:21:32,128 INFO L895 garLoopResultBuilder]: At program point L533(lines 488 535) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 14:21:32,128 INFO L895 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 14:21:32,129 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 14:21:32,129 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 256 262) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-12-13 14:21:32,129 INFO L895 garLoopResultBuilder]: At program point L468(line 468) the Hoare annotation is: false [2022-12-13 14:21:32,129 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 462 476) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 14:21:32,129 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 263 271) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-12-13 14:21:32,129 INFO L899 garLoopResultBuilder]: For program point L489(lines 488 535) no Hoare annotation was computed. [2022-12-13 14:21:32,129 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 531) no Hoare annotation was computed. [2022-12-13 14:21:32,130 INFO L899 garLoopResultBuilder]: For program point L176-1(lines 172 183) no Hoare annotation was computed. [2022-12-13 14:21:32,130 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 172 183) no Hoare annotation was computed. [2022-12-13 14:21:32,130 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 172 183) the Hoare annotation is: true [2022-12-13 14:21:32,130 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 340 346) no Hoare annotation was computed. [2022-12-13 14:21:32,130 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 340 346) the Hoare annotation is: true [2022-12-13 14:21:32,130 INFO L902 garLoopResultBuilder]: At program point L411(line 411) the Hoare annotation is: true [2022-12-13 14:21:32,130 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 406 416) no Hoare annotation was computed. [2022-12-13 14:21:32,130 INFO L899 garLoopResultBuilder]: For program point L411-1(line 411) no Hoare annotation was computed. [2022-12-13 14:21:32,131 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 406 416) the Hoare annotation is: true [2022-12-13 14:21:32,131 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 406 416) no Hoare annotation was computed. [2022-12-13 14:21:32,134 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 14:21:32,136 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:21:32,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:21:32 BoogieIcfgContainer [2022-12-13 14:21:32,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:21:32,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:21:32,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:21:32,151 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:21:32,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:21:30" (3/4) ... [2022-12-13 14:21:32,154 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:21:32,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-12-13 14:21:32,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 14:21:32,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-12-13 14:21:32,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 14:21:32,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 14:21:32,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 14:21:32,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-12-13 14:21:32,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-12-13 14:21:32,166 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-13 14:21:32,166 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 14:21:32,167 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 14:21:32,167 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:21:32,167 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:21:32,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2022-12-13 14:21:32,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive [2022-12-13 14:21:32,192 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-12-13 14:21:32,192 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-12-13 14:21:32,193 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-12-13 14:21:32,193 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) [2022-12-13 14:21:32,193 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-12-13 14:21:32,212 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:21:32,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:21:32,213 INFO L158 Benchmark]: Toolchain (without parser) took 1970.42ms. Allocated memory is still 155.2MB. Free memory was 121.8MB in the beginning and 88.4MB in the end (delta: 33.4MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2022-12-13 14:21:32,213 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:21:32,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.21ms. Allocated memory is still 155.2MB. Free memory was 121.8MB in the beginning and 103.8MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 14:21:32,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.95ms. Allocated memory is still 155.2MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:21:32,214 INFO L158 Benchmark]: Boogie Preprocessor took 19.39ms. Allocated memory is still 155.2MB. Free memory was 101.7MB in the beginning and 100.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:21:32,214 INFO L158 Benchmark]: RCFGBuilder took 328.23ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 85.9MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 14:21:32,214 INFO L158 Benchmark]: TraceAbstraction took 1233.32ms. Allocated memory is still 155.2MB. Free memory was 127.5MB in the beginning and 92.6MB in the end (delta: 34.9MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2022-12-13 14:21:32,215 INFO L158 Benchmark]: Witness Printer took 61.44ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 88.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:21:32,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.21ms. Allocated memory is still 155.2MB. Free memory was 121.8MB in the beginning and 103.8MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.95ms. Allocated memory is still 155.2MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.39ms. Allocated memory is still 155.2MB. Free memory was 101.7MB in the beginning and 100.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.23ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 85.9MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1233.32ms. Allocated memory is still 155.2MB. Free memory was 127.5MB in the beginning and 92.6MB in the end (delta: 34.9MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Witness Printer took 61.44ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 88.4MB in the end (delta: 4.2MB). 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: 305]: 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 9 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 221 mSDsluCounter, 811 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 476 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 335 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 218 PreInvPairs, 257 NumberOfFragments, 171 HoareAnnotationTreeSize, 218 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 37 FomulaSimplificationsInter, 572 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 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: 478]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 14:21:32,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6514301-4989-4f73-afe5-ba0d2887d459/bin/uautomizer-uyxdKDjOR8/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