./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro --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 ecbd3b7927e701d55fc39288fc091a7415141c93c89521192fc4dc52b10e4c6c --- 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-8393723 [2022-11-18 20:42:51,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:42:51,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:42:51,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:42:51,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:42:51,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:42:51,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:42:51,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:42:51,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:42:51,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:42:51,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:42:51,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:42:51,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:42:51,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:42:51,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:42:51,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:42:51,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:42:51,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:42:51,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:42:51,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:42:51,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:42:51,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:42:51,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:42:51,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:42:51,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:42:51,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:42:51,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:42:51,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:42:51,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:42:51,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:42:51,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:42:51,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:42:51,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:42:51,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:42:51,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:42:51,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:42:51,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:42:51,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:42:51,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:42:51,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:42:51,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:42:51,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 20:42:51,390 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:42:51,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:42:51,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:42:51,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:42:51,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:42:51,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:42:51,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:42:51,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:42:51,399 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:42:51,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:42:51,400 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:42:51,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:42:51,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:42:51,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:42:51,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:42:51,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:42:51,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:42:51,402 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:42:51,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:42:51,403 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:42:51,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:42:51,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:42:51,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:42:51,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:42:51,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:42:51,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:42:51,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:42:51,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:42:51,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:42:51,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:42:51,407 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:42:51,407 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:42:51,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:42:51,408 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_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbd3b7927e701d55fc39288fc091a7415141c93c89521192fc4dc52b10e4c6c [2022-11-18 20:42:51,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:42:51,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:42:51,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:42:51,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:42:51,769 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:42:51,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2022-11-18 20:42:51,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/data/81b6dc60c/6b88d18149394d8594804deff916f028/FLAG7a445a9de [2022-11-18 20:42:52,453 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:42:52,454 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2022-11-18 20:42:52,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/data/81b6dc60c/6b88d18149394d8594804deff916f028/FLAG7a445a9de [2022-11-18 20:42:52,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/data/81b6dc60c/6b88d18149394d8594804deff916f028 [2022-11-18 20:42:52,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:42:52,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:42:52,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:42:52,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:42:52,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:42:52,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:42:52" (1/1) ... [2022-11-18 20:42:52,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e237a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:52, skipping insertion in model container [2022-11-18 20:42:52,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:42:52" (1/1) ... [2022-11-18 20:42:52,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:42:52,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:42:53,051 WARN L234 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_3c3433af-473c-4d31-a35e-e0bc0e148e2a/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c[1605,1618] [2022-11-18 20:42:53,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:42:53,275 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:42:53,300 WARN L234 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_3c3433af-473c-4d31-a35e-e0bc0e148e2a/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c[1605,1618] [2022-11-18 20:42:53,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:42:53,406 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:42:53,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:53 WrapperNode [2022-11-18 20:42:53,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:42:53,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:42:53,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:42:53,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:42:53,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:53" (1/1) ... [2022-11-18 20:42:53,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:53" (1/1) ... [2022-11-18 20:42:53,484 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 163 [2022-11-18 20:42:53,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:42:53,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:42:53,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:42:53,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:42:53,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:53" (1/1) ... [2022-11-18 20:42:53,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:53" (1/1) ... [2022-11-18 20:42:53,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:53" (1/1) ... [2022-11-18 20:42:53,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:53" (1/1) ... [2022-11-18 20:42:53,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:53" (1/1) ... [2022-11-18 20:42:53,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:53" (1/1) ... [2022-11-18 20:42:53,541 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:53" (1/1) ... [2022-11-18 20:42:53,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:53" (1/1) ... [2022-11-18 20:42:53,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:42:53,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:42:53,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:42:53,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:42:53,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:53" (1/1) ... [2022-11-18 20:42:53,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:42:53,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:53,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:53,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:42:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:42:53,655 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-18 20:42:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-18 20:42:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-18 20:42:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-18 20:42:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-18 20:42:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-18 20:42:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-18 20:42:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-18 20:42:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-18 20:42:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-18 20:42:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-18 20:42:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-18 20:42:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:42:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-18 20:42:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-18 20:42:53,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:42:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:42:53,777 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:42:53,780 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:42:54,112 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:42:54,125 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:42:54,128 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:42:54,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:42:54 BoogieIcfgContainer [2022-11-18 20:42:54,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:42:54,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:42:54,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:42:54,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:42:54,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:42:52" (1/3) ... [2022-11-18 20:42:54,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7483fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:42:54, skipping insertion in model container [2022-11-18 20:42:54,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:42:53" (2/3) ... [2022-11-18 20:42:54,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7483fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:42:54, skipping insertion in model container [2022-11-18 20:42:54,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:42:54" (3/3) ... [2022-11-18 20:42:54,143 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2022-11-18 20:42:54,180 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:42:54,180 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:42:54,261 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:42:54,277 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;@3023039, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:42:54,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:42:54,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 68 states have internal predecessors, (84), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 20:42:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 20:42:54,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:42:54,293 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] [2022-11-18 20:42:54,294 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:42:54,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:54,301 INFO L85 PathProgramCache]: Analyzing trace with hash -27240357, now seen corresponding path program 1 times [2022-11-18 20:42:54,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:54,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269076015] [2022-11-18 20:42:54,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:54,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:54,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:42:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:54,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:42:54,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:42:54,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269076015] [2022-11-18 20:42:54,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269076015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:42:54,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:42:54,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:42:54,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768265046] [2022-11-18 20:42:54,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:42:54,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:42:54,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:42:54,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:42:54,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:42:54,547 INFO L87 Difference]: Start difference. First operand has 81 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 68 states have internal predecessors, (84), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 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) [2022-11-18 20:42:54,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:42:54,580 INFO L93 Difference]: Finished difference Result 154 states and 207 transitions. [2022-11-18 20:42:54,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:42:54,583 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 [2022-11-18 20:42:54,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:42:54,592 INFO L225 Difference]: With dead ends: 154 [2022-11-18 20:42:54,592 INFO L226 Difference]: Without dead ends: 72 [2022-11-18 20:42:54,596 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 [2022-11-18 20:42:54,599 INFO L413 NwaCegarLoop]: 100 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, 100 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 [2022-11-18 20:42:54,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:42:54,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-18 20:42:54,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-18 20:42:54,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 60 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:42:54,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2022-11-18 20:42:54,645 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 23 [2022-11-18 20:42:54,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:42:54,646 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions. [2022-11-18 20:42:54,646 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) [2022-11-18 20:42:54,646 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2022-11-18 20:42:54,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 20:42:54,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:42:54,649 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] [2022-11-18 20:42:54,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:42:54,649 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:42:54,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:54,650 INFO L85 PathProgramCache]: Analyzing trace with hash 701165360, now seen corresponding path program 1 times [2022-11-18 20:42:54,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:54,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393841914] [2022-11-18 20:42:54,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:54,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:42:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:54,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:42:54,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:42:54,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393841914] [2022-11-18 20:42:54,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393841914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:42:54,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:42:54,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:42:54,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490143530] [2022-11-18 20:42:54,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:42:54,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:42:54,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:42:54,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:42:54,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:42:54,783 INFO L87 Difference]: Start difference. First operand 72 states and 91 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) [2022-11-18 20:42:54,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:42:54,801 INFO L93 Difference]: Finished difference Result 105 states and 131 transitions. [2022-11-18 20:42:54,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:42:54,802 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 [2022-11-18 20:42:54,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:42:54,803 INFO L225 Difference]: With dead ends: 105 [2022-11-18 20:42:54,803 INFO L226 Difference]: Without dead ends: 63 [2022-11-18 20:42:54,804 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 [2022-11-18 20:42:54,806 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 17 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 134 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 [2022-11-18 20:42:54,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 134 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:42:54,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-18 20:42:54,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-18 20:42:54,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.3125) internal successors, (63), 54 states have internal predecessors, (63), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 20:42:54,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-11-18 20:42:54,817 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 24 [2022-11-18 20:42:54,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:42:54,817 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-11-18 20:42:54,817 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) [2022-11-18 20:42:54,818 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-11-18 20:42:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-18 20:42:54,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:42:54,819 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] [2022-11-18 20:42:54,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:42:54,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:42:54,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:54,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1063301461, now seen corresponding path program 1 times [2022-11-18 20:42:54,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:54,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686806487] [2022-11-18 20:42:54,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:54,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:54,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:42:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:42:54,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:42:54,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686806487] [2022-11-18 20:42:54,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686806487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:42:54,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:42:54,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:42:54,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838912609] [2022-11-18 20:42:54,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:42:54,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:42:54,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:42:54,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:42:54,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:42:54,967 INFO L87 Difference]: Start difference. First operand 63 states and 79 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) [2022-11-18 20:42:55,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:42:55,100 INFO L93 Difference]: Finished difference Result 161 states and 206 transitions. [2022-11-18 20:42:55,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:42:55,101 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 [2022-11-18 20:42:55,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:42:55,103 INFO L225 Difference]: With dead ends: 161 [2022-11-18 20:42:55,103 INFO L226 Difference]: Without dead ends: 105 [2022-11-18 20:42:55,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:42:55,105 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 142 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:42:55,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 273 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:42:55,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-18 20:42:55,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2022-11-18 20:42:55,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 86 states have internal predecessors, (103), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 10 states have call predecessors, (14), 13 states have call successors, (14) [2022-11-18 20:42:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 130 transitions. [2022-11-18 20:42:55,132 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 130 transitions. Word has length 29 [2022-11-18 20:42:55,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:42:55,133 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 130 transitions. [2022-11-18 20:42:55,133 INFO L496 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) [2022-11-18 20:42:55,133 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 130 transitions. [2022-11-18 20:42:55,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-18 20:42:55,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:42:55,142 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] [2022-11-18 20:42:55,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:42:55,142 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:42:55,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:55,143 INFO L85 PathProgramCache]: Analyzing trace with hash -2055969773, now seen corresponding path program 1 times [2022-11-18 20:42:55,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:55,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88849239] [2022-11-18 20:42:55,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:55,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 20:42:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:55,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:42:55,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:42:55,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88849239] [2022-11-18 20:42:55,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88849239] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:42:55,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:42:55,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:42:55,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346815967] [2022-11-18 20:42:55,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:42:55,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:42:55,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:42:55,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:42:55,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:42:55,412 INFO L87 Difference]: Start difference. First operand 102 states and 130 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2022-11-18 20:42:55,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:42:55,465 INFO L93 Difference]: Finished difference Result 182 states and 237 transitions. [2022-11-18 20:42:55,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:42:55,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 32 [2022-11-18 20:42:55,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:42:55,467 INFO L225 Difference]: With dead ends: 182 [2022-11-18 20:42:55,467 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:42:55,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:42:55,470 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 38 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 154 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 [2022-11-18 20:42:55,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 154 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:42:55,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:42:55,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:42:55,472 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) [2022-11-18 20:42:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:42:55,472 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-11-18 20:42:55,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:42:55,472 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:42:55,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2022-11-18 20:42:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:42:55,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:42:55,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:42:55,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:42:55,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:42:55,922 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 685 692) the Hoare annotation is: true [2022-11-18 20:42:55,922 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 685 692) no Hoare annotation was computed. [2022-11-18 20:42:55,923 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 685 692) no Hoare annotation was computed. [2022-11-18 20:42:55,923 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 626 632) no Hoare annotation was computed. [2022-11-18 20:42:55,923 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 626 632) the Hoare annotation is: true [2022-11-18 20:42:55,923 INFO L899 garLoopResultBuilder]: For program point L462-1(lines 458 469) no Hoare annotation was computed. [2022-11-18 20:42:55,923 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 458 469) the Hoare annotation is: true [2022-11-18 20:42:55,924 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 458 469) no Hoare annotation was computed. [2022-11-18 20:42:55,924 INFO L902 garLoopResultBuilder]: At program point L867-2(lines 867 881) the Hoare annotation is: true [2022-11-18 20:42:55,924 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 857 886) no Hoare annotation was computed. [2022-11-18 20:42:55,924 INFO L902 garLoopResultBuilder]: At program point L863(line 863) the Hoare annotation is: true [2022-11-18 20:42:55,924 INFO L899 garLoopResultBuilder]: For program point L863-1(line 863) no Hoare annotation was computed. [2022-11-18 20:42:55,925 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 857 886) the Hoare annotation is: true [2022-11-18 20:42:55,925 INFO L902 garLoopResultBuilder]: At program point L882(lines 857 886) the Hoare annotation is: true [2022-11-18 20:42:55,925 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2022-11-18 20:42:55,925 INFO L899 garLoopResultBuilder]: For program point L871(lines 871 875) no Hoare annotation was computed. [2022-11-18 20:42:55,925 INFO L902 garLoopResultBuilder]: At program point L871-1(lines 871 875) the Hoare annotation is: true [2022-11-18 20:42:55,925 INFO L899 garLoopResultBuilder]: For program point L868(line 868) no Hoare annotation was computed. [2022-11-18 20:42:55,926 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 655) no Hoare annotation was computed. [2022-11-18 20:42:55,926 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 762) no Hoare annotation was computed. [2022-11-18 20:42:55,926 INFO L899 garLoopResultBuilder]: For program point L758-2(lines 758 762) no Hoare annotation was computed. [2022-11-18 20:42:55,926 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 602 625) no Hoare annotation was computed. [2022-11-18 20:42:55,926 INFO L895 garLoopResultBuilder]: At program point L709(lines 704 712) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-11-18 20:42:55,927 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 810) no Hoare annotation was computed. [2022-11-18 20:42:55,927 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 813) no Hoare annotation was computed. [2022-11-18 20:42:55,927 INFO L895 garLoopResultBuilder]: At program point L800-1(lines 792 816) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-18 20:42:55,927 INFO L899 garLoopResultBuilder]: For program point L606-1(lines 605 624) no Hoare annotation was computed. [2022-11-18 20:42:55,928 INFO L895 garLoopResultBuilder]: At program point L648(line 648) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-18 20:42:55,928 INFO L895 garLoopResultBuilder]: At program point L516(lines 511 519) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-18 20:42:55,928 INFO L895 garLoopResultBuilder]: At program point L644(line 644) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-18 20:42:55,928 INFO L895 garLoopResultBuilder]: At program point L764(lines 749 767) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-18 20:42:55,928 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2022-11-18 20:42:55,929 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-18 20:42:55,929 INFO L895 garLoopResultBuilder]: At program point L438-2(lines 434 445) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-18 20:42:55,929 INFO L895 garLoopResultBuilder]: At program point L653(line 653) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-18 20:42:55,935 INFO L895 garLoopResultBuilder]: At program point L653-1(lines 634 658) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-18 20:42:55,935 INFO L895 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-18 20:42:55,935 INFO L899 garLoopResultBuilder]: For program point L798-1(line 798) no Hoare annotation was computed. [2022-11-18 20:42:55,936 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-18 20:42:55,936 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 602 625) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-18 20:42:55,936 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 602 625) no Hoare annotation was computed. [2022-11-18 20:42:55,936 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-18 20:42:55,936 INFO L899 garLoopResultBuilder]: For program point L613-1(lines 613 619) no Hoare annotation was computed. [2022-11-18 20:42:55,937 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 650) no Hoare annotation was computed. [2022-11-18 20:42:55,937 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 470 478) the Hoare annotation is: true [2022-11-18 20:42:55,937 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 470 478) no Hoare annotation was computed. [2022-11-18 20:42:55,937 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 470 478) no Hoare annotation was computed. [2022-11-18 20:42:55,937 INFO L895 garLoopResultBuilder]: At program point L915(lines 911 917) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (not (= 0 ~systemActive~0))) [2022-11-18 20:42:55,938 INFO L895 garLoopResultBuilder]: At program point L585(lines 534 586) the Hoare annotation is: false [2022-11-18 20:42:55,938 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:42:55,938 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:42:55,938 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2022-11-18 20:42:55,938 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:42:55,939 INFO L895 garLoopResultBuilder]: At program point L573-2(lines 565 580) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 20:42:55,939 INFO L899 garLoopResultBuilder]: For program point L536(lines 535 584) no Hoare annotation was computed. [2022-11-18 20:42:55,939 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 580) no Hoare annotation was computed. [2022-11-18 20:42:55,939 INFO L895 garLoopResultBuilder]: At program point L788(lines 783 790) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-11-18 20:42:55,940 INFO L895 garLoopResultBuilder]: At program point L557(line 557) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 20:42:55,940 INFO L895 garLoopResultBuilder]: At program point L780(lines 768 782) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 20:42:55,940 INFO L895 garLoopResultBuilder]: At program point L582(lines 535 584) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 20:42:55,940 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 778) no Hoare annotation was computed. [2022-11-18 20:42:55,941 INFO L899 garLoopResultBuilder]: For program point L772-1(lines 772 778) no Hoare annotation was computed. [2022-11-18 20:42:55,941 INFO L899 garLoopResultBuilder]: For program point L545(lines 545 551) no Hoare annotation was computed. [2022-11-18 20:42:55,955 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:42:55,955 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2022-11-18 20:42:55,955 INFO L902 garLoopResultBuilder]: At program point L925(lines 918 927) the Hoare annotation is: true [2022-11-18 20:42:55,956 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 541) no Hoare annotation was computed. [2022-11-18 20:42:55,956 INFO L895 garLoopResultBuilder]: At program point L851(lines 846 854) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-11-18 20:42:55,956 INFO L895 garLoopResultBuilder]: At program point L843(lines 839 845) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-11-18 20:42:55,956 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 945) no Hoare annotation was computed. [2022-11-18 20:42:55,956 INFO L899 garLoopResultBuilder]: For program point L938-2(lines 938 945) no Hoare annotation was computed. [2022-11-18 20:42:55,957 INFO L902 garLoopResultBuilder]: At program point L947(lines 928 950) the Hoare annotation is: true [2022-11-18 20:42:55,957 INFO L902 garLoopResultBuilder]: At program point L588(lines 525 592) the Hoare annotation is: true [2022-11-18 20:42:55,957 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 561) no Hoare annotation was computed. [2022-11-18 20:42:55,957 INFO L899 garLoopResultBuilder]: For program point L555-1(lines 555 561) no Hoare annotation was computed. [2022-11-18 20:42:55,957 INFO L895 garLoopResultBuilder]: At program point L774(line 774) the Hoare annotation is: false [2022-11-18 20:42:55,958 INFO L895 garLoopResultBuilder]: At program point L836(lines 832 838) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-11-18 20:42:55,958 INFO L895 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 20:42:55,958 INFO L899 garLoopResultBuilder]: For program point L450-1(lines 446 457) no Hoare annotation was computed. [2022-11-18 20:42:55,958 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 446 457) no Hoare annotation was computed. [2022-11-18 20:42:55,958 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 446 457) the Hoare annotation is: true [2022-11-18 20:42:55,968 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-18 20:42:55,971 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:42:56,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:42:56 BoogieIcfgContainer [2022-11-18 20:42:56,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:42:56,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:42:56,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:42:56,008 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:42:56,008 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:42:54" (3/4) ... [2022-11-18 20:42:56,011 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:42:56,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-18 20:42:56,022 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-18 20:42:56,023 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-18 20:42:56,023 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-18 20:42:56,023 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-18 20:42:56,023 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-18 20:42:56,027 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-18 20:42:56,033 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-18 20:42:56,035 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 20:42:56,037 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:42:56,038 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:42:56,038 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:42:56,067 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) [2022-11-18 20:42:56,068 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-11-18 20:42:56,069 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0 [2022-11-18 20:42:56,070 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-18 20:42:56,072 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-11-18 20:42:56,073 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-18 20:42:56,074 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2022-11-18 20:42:56,075 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0 [2022-11-18 20:42:56,075 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) [2022-11-18 20:42:56,075 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-18 20:42:56,076 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-18 20:42:56,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-18 20:42:56,108 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:42:56,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:42:56,109 INFO L158 Benchmark]: Toolchain (without parser) took 3343.21ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 54.7MB in the beginning and 57.0MB in the end (delta: -2.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-18 20:42:56,110 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 63.0MB in the beginning and 63.0MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:42:56,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.82ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 54.6MB in the beginning and 81.6MB in the end (delta: -27.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-11-18 20:42:56,110 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.19ms. Allocated memory is still 113.2MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:42:56,111 INFO L158 Benchmark]: Boogie Preprocessor took 58.63ms. Allocated memory is still 113.2MB. Free memory was 79.5MB in the beginning and 78.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:42:56,111 INFO L158 Benchmark]: RCFGBuilder took 585.30ms. Allocated memory is still 113.2MB. Free memory was 77.7MB in the beginning and 62.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 20:42:56,112 INFO L158 Benchmark]: TraceAbstraction took 1873.79ms. Allocated memory is still 113.2MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 22.4kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2022-11-18 20:42:56,112 INFO L158 Benchmark]: Witness Printer took 101.19ms. Allocated memory is still 113.2MB. Free memory was 62.0MB in the beginning and 57.0MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 20:42:56,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 63.0MB in the beginning and 63.0MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.82ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 54.6MB in the beginning and 81.6MB in the end (delta: -27.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.19ms. Allocated memory is still 113.2MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.63ms. Allocated memory is still 113.2MB. Free memory was 79.5MB in the beginning and 78.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 585.30ms. Allocated memory is still 113.2MB. Free memory was 77.7MB in the beginning and 62.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1873.79ms. Allocated memory is still 113.2MB. Free memory was 62.1MB in the beginning and 62.0MB in the end (delta: 22.4kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 101.19ms. Allocated memory is still 113.2MB. Free memory was 62.0MB in the beginning and 57.0MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 201 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 661 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 339 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 322 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 181 PreInvPairs, 211 NumberOfFragments, 224 HoareAnnotationTreeSize, 181 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 37 FomulaSimplificationsInter, 316 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 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: 768]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) RESULT: Ultimate proved your program to be correct! [2022-11-18 20:42:56,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3433af-473c-4d31-a35e-e0bc0e148e2a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE