./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP --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 af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:51:51,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:51:51,450 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:51:51,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:51:51,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:51:51,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:51:51,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:51:51,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:51:51,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:51:51,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:51:51,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:51:51,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:51:51,503 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:51:51,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:51:51,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:51:51,505 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:51:51,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:51:51,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:51:51,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:51:51,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:51:51,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:51:51,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:51:51,513 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:51:51,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:51:51,514 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:51:51,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:51:51,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:51:51,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:51:51,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:51:51,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:51:51,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:51:51,519 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:51:51,519 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:51:51,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:51:51,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:51:51,520 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:51:51,521 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:51:51,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:51:51,521 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:51:51,522 INFO L153 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_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 [2023-11-06 22:51:51,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:51:51,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:51:51,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:51:51,845 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:51:51,846 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:51:51,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2023-11-06 22:51:54,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:51:55,248 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:51:55,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2023-11-06 22:51:55,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/data/c73041d30/96c7b1605d3946b8a16be59f39fe68e1/FLAG1d5271aa0 [2023-11-06 22:51:55,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/data/c73041d30/96c7b1605d3946b8a16be59f39fe68e1 [2023-11-06 22:51:55,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:51:55,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:51:55,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:51:55,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:51:55,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:51:55,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:51:55" (1/1) ... [2023-11-06 22:51:55,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f6cb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55, skipping insertion in model container [2023-11-06 22:51:55,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:51:55" (1/1) ... [2023-11-06 22:51:55,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:51:55,639 WARN L240 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_59382688-1e48-4e5d-b9b9-e4261c01d15f/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c[19335,19348] [2023-11-06 22:51:55,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:51:55,665 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:51:55,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-06 22:51:55,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [155] [2023-11-06 22:51:55,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197] [2023-11-06 22:51:55,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563] [2023-11-06 22:51:55,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] [2023-11-06 22:51:55,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [868] [2023-11-06 22:51:55,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [972] [2023-11-06 22:51:55,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1007] [2023-11-06 22:51:55,789 WARN L240 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_59382688-1e48-4e5d-b9b9-e4261c01d15f/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c[19335,19348] [2023-11-06 22:51:55,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:51:55,814 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:51:55,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55 WrapperNode [2023-11-06 22:51:55,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:51:55,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:51:55,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:51:55,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:51:55,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55" (1/1) ... [2023-11-06 22:51:55,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55" (1/1) ... [2023-11-06 22:51:55,900 INFO L138 Inliner]: procedures = 58, calls = 104, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 227 [2023-11-06 22:51:55,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:51:55,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:51:55,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:51:55,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:51:55,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55" (1/1) ... [2023-11-06 22:51:55,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55" (1/1) ... [2023-11-06 22:51:55,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55" (1/1) ... [2023-11-06 22:51:55,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55" (1/1) ... [2023-11-06 22:51:55,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55" (1/1) ... [2023-11-06 22:51:55,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55" (1/1) ... [2023-11-06 22:51:55,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55" (1/1) ... [2023-11-06 22:51:55,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55" (1/1) ... [2023-11-06 22:51:55,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:51:55,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:51:55,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:51:55,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:51:55,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55" (1/1) ... [2023-11-06 22:51:55,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:51:55,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:56,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:56,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:51:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:51:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 22:51:56,039 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 22:51:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-06 22:51:56,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-06 22:51:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:51:56,040 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:51:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:51:56,040 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:51:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:51:56,041 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:51:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:51:56,041 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:51:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-06 22:51:56,042 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-06 22:51:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-06 22:51:56,042 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-06 22:51:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:51:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:51:56,043 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:51:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:51:56,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:51:56,139 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:51:56,142 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:51:56,446 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:51:56,454 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:51:56,454 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:51:56,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:56 BoogieIcfgContainer [2023-11-06 22:51:56,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:51:56,460 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:51:56,460 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:51:56,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:51:56,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:51:55" (1/3) ... [2023-11-06 22:51:56,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cd6ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:51:56, skipping insertion in model container [2023-11-06 22:51:56,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:55" (2/3) ... [2023-11-06 22:51:56,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cd6ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:51:56, skipping insertion in model container [2023-11-06 22:51:56,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:56" (3/3) ... [2023-11-06 22:51:56,467 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2023-11-06 22:51:56,491 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:51:56,495 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:51:56,552 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:51:56,558 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;@b79a408, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:51:56,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:51:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 76 states have (on average 1.381578947368421) internal successors, (105), 86 states have internal predecessors, (105), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:51:56,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:51:56,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:56,572 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] [2023-11-06 22:51:56,573 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:51:56,578 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:56,578 INFO L85 PathProgramCache]: Analyzing trace with hash 244440816, now seen corresponding path program 1 times [2023-11-06 22:51:56,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:56,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774221305] [2023-11-06 22:51:56,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:56,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:56,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:51:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:56,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:56,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774221305] [2023-11-06 22:51:56,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774221305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:56,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:56,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:51:56,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312777725] [2023-11-06 22:51:56,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:56,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:51:56,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:56,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:51:56,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:51:56,838 INFO L87 Difference]: Start difference. First operand has 103 states, 76 states have (on average 1.381578947368421) internal successors, (105), 86 states have internal predecessors, (105), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2023-11-06 22:51:56,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:56,876 INFO L93 Difference]: Finished difference Result 197 states and 268 transitions. [2023-11-06 22:51:56,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:51:56,878 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2023-11-06 22:51:56,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:56,887 INFO L225 Difference]: With dead ends: 197 [2023-11-06 22:51:56,888 INFO L226 Difference]: Without dead ends: 94 [2023-11-06 22:51:56,891 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 [2023-11-06 22:51:56,895 INFO L413 NwaCegarLoop]: 131 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, 131 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 [2023-11-06 22:51:56,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:51:56,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-06 22:51:56,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-11-06 22:51:56,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 69 states have (on average 1.318840579710145) internal successors, (91), 78 states have internal predecessors, (91), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:51:56,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2023-11-06 22:51:56,945 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 25 [2023-11-06 22:51:56,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:56,946 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2023-11-06 22:51:56,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2023-11-06 22:51:56,947 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2023-11-06 22:51:56,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 22:51:56,950 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:56,950 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] [2023-11-06 22:51:56,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:51:56,951 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:51:56,952 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:56,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1307515066, now seen corresponding path program 1 times [2023-11-06 22:51:56,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:56,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127736104] [2023-11-06 22:51:56,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:56,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:57,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:51:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:57,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:57,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:57,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127736104] [2023-11-06 22:51:57,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127736104] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:57,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:57,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:51:57,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212182264] [2023-11-06 22:51:57,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:57,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:51:57,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:57,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:51:57,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:51:57,156 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-06 22:51:57,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:57,192 INFO L93 Difference]: Finished difference Result 152 states and 198 transitions. [2023-11-06 22:51:57,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:51:57,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2023-11-06 22:51:57,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:57,195 INFO L225 Difference]: With dead ends: 152 [2023-11-06 22:51:57,195 INFO L226 Difference]: Without dead ends: 85 [2023-11-06 22:51:57,197 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 [2023-11-06 22:51:57,198 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 13 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 201 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 [2023-11-06 22:51:57,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 201 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:51:57,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-06 22:51:57,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-06 22:51:57,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 72 states have internal predecessors, (84), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 22:51:57,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2023-11-06 22:51:57,216 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 26 [2023-11-06 22:51:57,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:57,216 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2023-11-06 22:51:57,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-06 22:51:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2023-11-06 22:51:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:51:57,219 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:57,219 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] [2023-11-06 22:51:57,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:51:57,219 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:51:57,220 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:57,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1771610293, now seen corresponding path program 1 times [2023-11-06 22:51:57,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:57,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249248809] [2023-11-06 22:51:57,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:57,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:51:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:57,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:57,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:57,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249248809] [2023-11-06 22:51:57,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249248809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:57,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:57,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:51:57,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018756970] [2023-11-06 22:51:57,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:57,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:51:57,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:57,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:51:57,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:51:57,461 INFO L87 Difference]: Start difference. First operand 85 states and 110 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2023-11-06 22:51:57,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:57,566 INFO L93 Difference]: Finished difference Result 162 states and 213 transitions. [2023-11-06 22:51:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:51:57,568 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), 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 31 [2023-11-06 22:51:57,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:57,571 INFO L225 Difference]: With dead ends: 162 [2023-11-06 22:51:57,573 INFO L226 Difference]: Without dead ends: 85 [2023-11-06 22:51:57,575 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 [2023-11-06 22:51:57,579 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 137 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:57,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 275 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:51:57,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-06 22:51:57,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-06 22:51:57,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 72 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 22:51:57,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2023-11-06 22:51:57,620 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 31 [2023-11-06 22:51:57,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:57,621 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2023-11-06 22:51:57,621 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), 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) [2023-11-06 22:51:57,622 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2023-11-06 22:51:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-06 22:51:57,626 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:57,628 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:51:57,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:51:57,628 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:51:57,629 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:57,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1359704802, now seen corresponding path program 1 times [2023-11-06 22:51:57,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:57,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375831133] [2023-11-06 22:51:57,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:57,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:51:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:51:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:57,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:51:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:57,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:51:57,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:57,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375831133] [2023-11-06 22:51:57,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375831133] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:57,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:57,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:51:57,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568742246] [2023-11-06 22:51:57,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:57,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:51:57,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:57,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:51:57,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:51:57,713 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:51:57,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:57,966 INFO L93 Difference]: Finished difference Result 242 states and 316 transitions. [2023-11-06 22:51:57,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:51:57,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2023-11-06 22:51:57,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:57,976 INFO L225 Difference]: With dead ends: 242 [2023-11-06 22:51:57,977 INFO L226 Difference]: Without dead ends: 165 [2023-11-06 22:51:57,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:51:57,988 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 167 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:57,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 218 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:51:57,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-11-06 22:51:58,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 159. [2023-11-06 22:51:58,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 119 states have (on average 1.2941176470588236) internal successors, (154), 127 states have internal predecessors, (154), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2023-11-06 22:51:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 203 transitions. [2023-11-06 22:51:58,052 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 203 transitions. Word has length 44 [2023-11-06 22:51:58,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:58,052 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 203 transitions. [2023-11-06 22:51:58,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:51:58,053 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 203 transitions. [2023-11-06 22:51:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 22:51:58,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:58,060 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:51:58,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:51:58,060 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:51:58,061 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:58,061 INFO L85 PathProgramCache]: Analyzing trace with hash 179521665, now seen corresponding path program 1 times [2023-11-06 22:51:58,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:58,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675886344] [2023-11-06 22:51:58,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:58,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:58,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:51:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:58,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:51:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:51:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:58,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:58,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:58,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675886344] [2023-11-06 22:51:58,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675886344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:58,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:58,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:51:58,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344440096] [2023-11-06 22:51:58,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:58,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:51:58,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:58,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:51:58,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:51:58,318 INFO L87 Difference]: Start difference. First operand 159 states and 203 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:51:58,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:58,579 INFO L93 Difference]: Finished difference Result 318 states and 414 transitions. [2023-11-06 22:51:58,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:51:58,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2023-11-06 22:51:58,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:58,585 INFO L225 Difference]: With dead ends: 318 [2023-11-06 22:51:58,585 INFO L226 Difference]: Without dead ends: 167 [2023-11-06 22:51:58,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:51:58,592 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 67 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:58,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 428 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:51:58,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-06 22:51:58,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 162. [2023-11-06 22:51:58,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 130 states have internal predecessors, (157), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2023-11-06 22:51:58,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 206 transitions. [2023-11-06 22:51:58,642 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 206 transitions. Word has length 50 [2023-11-06 22:51:58,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:58,645 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 206 transitions. [2023-11-06 22:51:58,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:51:58,645 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 206 transitions. [2023-11-06 22:51:58,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 22:51:58,654 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:58,655 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:51:58,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:51:58,655 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:51:58,655 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:58,656 INFO L85 PathProgramCache]: Analyzing trace with hash 602223491, now seen corresponding path program 1 times [2023-11-06 22:51:58,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:58,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631812218] [2023-11-06 22:51:58,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:58,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:58,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:51:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:58,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:51:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:51:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:58,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:58,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631812218] [2023-11-06 22:51:58,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631812218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:58,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:58,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:51:58,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363053771] [2023-11-06 22:51:58,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:58,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:51:58,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:58,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:51:58,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:51:58,805 INFO L87 Difference]: Start difference. First operand 162 states and 206 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:51:58,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:58,970 INFO L93 Difference]: Finished difference Result 326 states and 428 transitions. [2023-11-06 22:51:58,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:51:58,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2023-11-06 22:51:58,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:58,973 INFO L225 Difference]: With dead ends: 326 [2023-11-06 22:51:58,973 INFO L226 Difference]: Without dead ends: 172 [2023-11-06 22:51:58,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:51:58,975 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 70 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:58,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 334 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:51:58,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-06 22:51:58,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 164. [2023-11-06 22:51:58,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 124 states have (on average 1.282258064516129) internal successors, (159), 132 states have internal predecessors, (159), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2023-11-06 22:51:59,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 208 transitions. [2023-11-06 22:51:59,000 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 208 transitions. Word has length 50 [2023-11-06 22:51:59,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:59,001 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 208 transitions. [2023-11-06 22:51:59,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:51:59,001 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 208 transitions. [2023-11-06 22:51:59,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 22:51:59,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:59,002 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:51:59,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:51:59,003 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:51:59,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:59,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1203214843, now seen corresponding path program 1 times [2023-11-06 22:51:59,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:59,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216230712] [2023-11-06 22:51:59,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:59,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:51:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:59,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:51:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:59,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:51:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:59,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:59,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:59,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216230712] [2023-11-06 22:51:59,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216230712] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:59,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:59,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:51:59,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205546656] [2023-11-06 22:51:59,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:59,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:51:59,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:59,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:51:59,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:51:59,135 INFO L87 Difference]: Start difference. First operand 164 states and 208 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:51:59,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:59,458 INFO L93 Difference]: Finished difference Result 458 states and 602 transitions. [2023-11-06 22:51:59,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:51:59,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 50 [2023-11-06 22:51:59,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:59,462 INFO L225 Difference]: With dead ends: 458 [2023-11-06 22:51:59,462 INFO L226 Difference]: Without dead ends: 302 [2023-11-06 22:51:59,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:51:59,465 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 223 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:59,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 339 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:51:59,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-11-06 22:51:59,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 294. [2023-11-06 22:51:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 221 states have (on average 1.257918552036199) internal successors, (278), 233 states have internal predecessors, (278), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62) [2023-11-06 22:51:59,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 376 transitions. [2023-11-06 22:51:59,520 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 376 transitions. Word has length 50 [2023-11-06 22:51:59,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:59,521 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 376 transitions. [2023-11-06 22:51:59,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:51:59,521 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 376 transitions. [2023-11-06 22:51:59,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-06 22:51:59,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:59,522 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:51:59,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:51:59,523 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:51:59,523 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:59,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1971090006, now seen corresponding path program 1 times [2023-11-06 22:51:59,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:59,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518852369] [2023-11-06 22:51:59,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:59,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:51:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:51:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:59,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:51:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-06 22:51:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:59,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:59,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518852369] [2023-11-06 22:51:59,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518852369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:59,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:59,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:51:59,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539382078] [2023-11-06 22:51:59,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:59,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:51:59,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:59,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:51:59,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:51:59,671 INFO L87 Difference]: Start difference. First operand 294 states and 376 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:51:59,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:59,975 INFO L93 Difference]: Finished difference Result 592 states and 767 transitions. [2023-11-06 22:51:59,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:51:59,976 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2023-11-06 22:51:59,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:59,981 INFO L225 Difference]: With dead ends: 592 [2023-11-06 22:51:59,982 INFO L226 Difference]: Without dead ends: 306 [2023-11-06 22:51:59,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:51:59,989 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 148 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:59,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 365 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:51:59,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2023-11-06 22:52:00,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 290. [2023-11-06 22:52:00,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 217 states have (on average 1.2258064516129032) internal successors, (266), 229 states have internal predecessors, (266), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62) [2023-11-06 22:52:00,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 364 transitions. [2023-11-06 22:52:00,059 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 364 transitions. Word has length 52 [2023-11-06 22:52:00,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:00,060 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 364 transitions. [2023-11-06 22:52:00,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:52:00,060 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 364 transitions. [2023-11-06 22:52:00,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-06 22:52:00,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:00,062 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:00,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:52:00,063 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:00,063 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:00,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1743345695, now seen corresponding path program 1 times [2023-11-06 22:52:00,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:00,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059669385] [2023-11-06 22:52:00,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:00,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:52:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:52:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:52:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:52:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:00,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:00,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059669385] [2023-11-06 22:52:00,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059669385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:00,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:00,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:52:00,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567711699] [2023-11-06 22:52:00,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:00,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:52:00,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:00,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:52:00,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:52:00,199 INFO L87 Difference]: Start difference. First operand 290 states and 364 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:52:00,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:00,652 INFO L93 Difference]: Finished difference Result 594 states and 792 transitions. [2023-11-06 22:52:00,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:52:00,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2023-11-06 22:52:00,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:00,659 INFO L225 Difference]: With dead ends: 594 [2023-11-06 22:52:00,659 INFO L226 Difference]: Without dead ends: 592 [2023-11-06 22:52:00,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:52:00,662 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 328 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:00,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 211 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:52:00,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2023-11-06 22:52:00,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 528. [2023-11-06 22:52:00,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 393 states have (on average 1.2340966921119594) internal successors, (485), 420 states have internal predecessors, (485), 70 states have call successors, (70), 51 states have call predecessors, (70), 64 states have return successors, (156), 70 states have call predecessors, (156), 70 states have call successors, (156) [2023-11-06 22:52:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 711 transitions. [2023-11-06 22:52:00,756 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 711 transitions. Word has length 54 [2023-11-06 22:52:00,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:00,756 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 711 transitions. [2023-11-06 22:52:00,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:52:00,757 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 711 transitions. [2023-11-06 22:52:00,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:52:00,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:00,760 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:00,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:52:00,761 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:00,761 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:00,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2104240770, now seen corresponding path program 1 times [2023-11-06 22:52:00,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:00,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489294852] [2023-11-06 22:52:00,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:00,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:52:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:52:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:52:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:52:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:52:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:52:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:52:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-06 22:52:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:00,996 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-06 22:52:00,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:00,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489294852] [2023-11-06 22:52:00,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489294852] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:00,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914892018] [2023-11-06 22:52:00,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:00,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:00,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:01,004 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:52:01,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:52:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:01,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:52:01,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:01,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:52:01,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914892018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:01,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:52:01,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2023-11-06 22:52:01,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795839086] [2023-11-06 22:52:01,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:01,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:52:01,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:01,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:52:01,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:52:01,316 INFO L87 Difference]: Start difference. First operand 528 states and 711 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-06 22:52:01,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:01,398 INFO L93 Difference]: Finished difference Result 899 states and 1241 transitions. [2023-11-06 22:52:01,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:52:01,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 98 [2023-11-06 22:52:01,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:01,402 INFO L225 Difference]: With dead ends: 899 [2023-11-06 22:52:01,403 INFO L226 Difference]: Without dead ends: 433 [2023-11-06 22:52:01,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:52:01,406 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 51 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:01,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 222 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:52:01,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-11-06 22:52:01,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2023-11-06 22:52:01,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 322 states have (on average 1.2111801242236024) internal successors, (390), 345 states have internal predecessors, (390), 58 states have call successors, (58), 44 states have call predecessors, (58), 52 states have return successors, (90), 57 states have call predecessors, (90), 58 states have call successors, (90) [2023-11-06 22:52:01,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 538 transitions. [2023-11-06 22:52:01,470 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 538 transitions. Word has length 98 [2023-11-06 22:52:01,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:01,470 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 538 transitions. [2023-11-06 22:52:01,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-06 22:52:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 538 transitions. [2023-11-06 22:52:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 22:52:01,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:01,473 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2023-11-06 22:52:01,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:01,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:01,679 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:01,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:01,680 INFO L85 PathProgramCache]: Analyzing trace with hash 192141936, now seen corresponding path program 1 times [2023-11-06 22:52:01,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:01,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781582862] [2023-11-06 22:52:01,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:01,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:52:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:01,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:52:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:01,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:52:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:01,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:52:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:52:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:01,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:52:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:52:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:01,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:52:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:01,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:52:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:01,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:52:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:01,980 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-06 22:52:01,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:01,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781582862] [2023-11-06 22:52:01,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781582862] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:01,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326117082] [2023-11-06 22:52:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:01,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:01,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:01,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:52:01,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:52:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:02,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:52:02,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:02,292 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:52:02,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:02,593 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-06 22:52:02,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326117082] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:52:02,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:52:02,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 7] total 18 [2023-11-06 22:52:02,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808523845] [2023-11-06 22:52:02,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:52:02,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-06 22:52:02,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:02,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-06 22:52:02,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:52:02,598 INFO L87 Difference]: Start difference. First operand 433 states and 538 transitions. Second operand has 18 states, 18 states have (on average 9.38888888888889) internal successors, (169), 14 states have internal predecessors, (169), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) [2023-11-06 22:52:07,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:07,936 INFO L93 Difference]: Finished difference Result 2106 states and 2863 transitions. [2023-11-06 22:52:07,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-11-06 22:52:07,937 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.38888888888889) internal successors, (169), 14 states have internal predecessors, (169), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) Word has length 108 [2023-11-06 22:52:07,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:07,950 INFO L225 Difference]: With dead ends: 2106 [2023-11-06 22:52:07,951 INFO L226 Difference]: Without dead ends: 1681 [2023-11-06 22:52:07,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 259 SyntacticMatches, 2 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7042 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1748, Invalid=16612, Unknown=0, NotChecked=0, Total=18360 [2023-11-06 22:52:07,964 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 1427 mSDsluCounter, 2000 mSDsCounter, 0 mSdLazyCounter, 3909 mSolverCounterSat, 622 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 2238 SdHoareTripleChecker+Invalid, 4531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 622 IncrementalHoareTripleChecker+Valid, 3909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:07,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1434 Valid, 2238 Invalid, 4531 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [622 Valid, 3909 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-06 22:52:07,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2023-11-06 22:52:08,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1402. [2023-11-06 22:52:08,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1402 states, 1031 states have (on average 1.1474296799224055) internal successors, (1183), 1096 states have internal predecessors, (1183), 192 states have call successors, (192), 149 states have call predecessors, (192), 178 states have return successors, (311), 190 states have call predecessors, (311), 192 states have call successors, (311) [2023-11-06 22:52:08,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 1686 transitions. [2023-11-06 22:52:08,150 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 1686 transitions. Word has length 108 [2023-11-06 22:52:08,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:08,151 INFO L495 AbstractCegarLoop]: Abstraction has 1402 states and 1686 transitions. [2023-11-06 22:52:08,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.38888888888889) internal successors, (169), 14 states have internal predecessors, (169), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) [2023-11-06 22:52:08,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1686 transitions. [2023-11-06 22:52:08,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-06 22:52:08,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:08,155 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2023-11-06 22:52:08,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:08,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:08,362 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:08,362 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:08,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1625453290, now seen corresponding path program 1 times [2023-11-06 22:52:08,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:08,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360151373] [2023-11-06 22:52:08,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:08,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:08,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:52:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:52:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:52:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:52:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:52:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:52:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:08,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-06 22:52:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:08,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:52:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:08,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:52:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:08,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:52:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:52:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-06 22:52:08,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:08,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360151373] [2023-11-06 22:52:08,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360151373] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:08,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666794502] [2023-11-06 22:52:08,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:08,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:08,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:08,600 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:52:08,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:52:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:08,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:52:08,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-06 22:52:08,918 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:52:08,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666794502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:08,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:52:08,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2023-11-06 22:52:08,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292346731] [2023-11-06 22:52:08,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:08,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:52:08,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:08,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:52:08,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:52:08,921 INFO L87 Difference]: Start difference. First operand 1402 states and 1686 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-06 22:52:09,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:09,175 INFO L93 Difference]: Finished difference Result 2311 states and 2782 transitions. [2023-11-06 22:52:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:52:09,175 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2023-11-06 22:52:09,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:09,177 INFO L225 Difference]: With dead ends: 2311 [2023-11-06 22:52:09,177 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:52:09,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:52:09,184 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 36 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:09,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 965 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:52:09,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:52:09,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:52:09,186 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) [2023-11-06 22:52:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:52:09,186 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2023-11-06 22:52:09,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:09,187 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:52:09,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-06 22:52:09,187 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:52:09,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:52:09,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:52:09,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:09,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:09,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:52:18,405 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 758 765) no Hoare annotation was computed. [2023-11-06 22:52:18,406 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 758 765) the Hoare annotation is: (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (< ~waterLevel~0 1) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2023-11-06 22:52:18,406 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 758 765) no Hoare annotation was computed. [2023-11-06 22:52:18,406 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 665 671) no Hoare annotation was computed. [2023-11-06 22:52:18,406 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 665 671) the Hoare annotation is: true [2023-11-06 22:52:18,406 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 896 907) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse7 (< |old(~methaneLevelCritical~0)| 1)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4) (or .cse0 .cse5 .cse7 (< ~waterLevel~0 2) .cse3) (or .cse1 .cse6 .cse2 .cse3 .cse4))) [2023-11-06 22:52:18,406 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 896 907) no Hoare annotation was computed. [2023-11-06 22:52:18,407 INFO L899 garLoopResultBuilder]: For program point L900-1(lines 896 907) no Hoare annotation was computed. [2023-11-06 22:52:18,407 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 908 916) the Hoare annotation is: true [2023-11-06 22:52:18,407 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 908 916) no Hoare annotation was computed. [2023-11-06 22:52:18,407 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 908 916) no Hoare annotation was computed. [2023-11-06 22:52:18,407 INFO L899 garLoopResultBuilder]: For program point L733(lines 733 741) no Hoare annotation was computed. [2023-11-06 22:52:18,407 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 746) no Hoare annotation was computed. [2023-11-06 22:52:18,407 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 190) no Hoare annotation was computed. [2023-11-06 22:52:18,407 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 193) no Hoare annotation was computed. [2023-11-06 22:52:18,408 INFO L895 garLoopResultBuilder]: At program point L176-1(lines 168 196) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse19 (= |old(~pumpRunning~0)| 0))) (let ((.cse5 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse17 (not .cse19)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (<= 1 ~pumpRunning~0)) (.cse14 (<= 2 ~waterLevel~0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| ~methaneLevelCritical~0)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse9 (not (= |old(~waterLevel~0)| 0))) (.cse10 (= ~waterLevel~0 0)) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse11 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (not .cse2)) (.cse18 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse16 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| 0)) (.cse1 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (or .cse0 .cse9 .cse1 .cse2 .cse10 .cse8) (or (and .cse3 .cse4 .cse5 .cse11 .cse6 .cse7) .cse12 .cse1 .cse2 .cse8) (or (and .cse13 .cse4 .cse14 .cse15 .cse16) .cse17 .cse0 .cse18 .cse2 (and .cse3 .cse4 .cse19 .cse15 .cse16)) (or .cse17 .cse0 (and .cse3 .cse4 .cse19 .cse15 .cse7) .cse2 (and .cse13 .cse14 .cse15 .cse7) .cse8) (or .cse18 .cse9 .cse1 .cse2 .cse10) (or .cse12 .cse18 .cse11 .cse1 .cse2) (or (and .cse3 .cse4 .cse6 .cse16) .cse18 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse16) .cse1 .cse2)))) [2023-11-06 22:52:18,408 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 641 664) no Hoare annotation was computed. [2023-11-06 22:52:18,413 INFO L895 garLoopResultBuilder]: At program point L771(line 771) the Hoare annotation is: (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse7 (not (= |old(~waterLevel~0)| 0))) (.cse8 (= ~waterLevel~0 0)) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse2 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse6 (and .cse1 (= ~methAndRunningLastTime~0 0)) .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse4 .cse8 .cse5) (or .cse9 .cse6 .cse4 .cse5) (or .cse10 .cse7 .cse3 .cse4 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse8)) (or .cse0 .cse10 .cse2 .cse3 .cse4) (or .cse1 .cse10 .cse3 .cse4) (or .cse9 .cse6 .cse10 .cse4))) [2023-11-06 22:52:18,417 INFO L899 garLoopResultBuilder]: For program point L771-1(line 771) no Hoare annotation was computed. [2023-11-06 22:52:18,417 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 187) no Hoare annotation was computed. [2023-11-06 22:52:18,417 INFO L899 garLoopResultBuilder]: For program point L652-1(lines 652 658) no Hoare annotation was computed. [2023-11-06 22:52:18,417 INFO L895 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse5 (not (= |old(~waterLevel~0)| 0)) .cse1 .cse2 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= ~waterLevel~0 0))) (or .cse6 .cse1 .cse2 .cse3) (or .cse6 .cse5 (<= 1 ~waterLevel~0) .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse1 .cse2) (or .cse4 .cse0 .cse5 .cse2))) [2023-11-06 22:52:18,418 INFO L895 garLoopResultBuilder]: At program point L735(line 735) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 0))) (.cse4 (= ~waterLevel~0 0)) (.cse9 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse10 (<= 1 |timeShift_processEnvironment_~tmp~8#1|)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse11 (<= 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse3 .cse5) (or .cse7 .cse1 .cse2 .cse3 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse4)) (or (and .cse8 (= ~methAndRunningLastTime~0 0) .cse9 .cse10) .cse0 .cse2 .cse3 .cse5) (or (and .cse8 .cse9 .cse10 .cse11) .cse12 .cse2 .cse3 .cse5) (or .cse12 .cse7 .cse11 .cse2 .cse3) (or .cse8 .cse7 .cse2 .cse3) (or .cse6 .cse0 .cse7 .cse3))) [2023-11-06 22:52:18,421 INFO L899 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2023-11-06 22:52:18,421 INFO L895 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= 2 ~waterLevel~0) .cse17)) (.cse11 (and .cse12 .cse17 .cse16)) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not .cse6)) (.cse13 (not (= ~methaneLevelCritical~0 0))) (.cse14 (not (= |old(~waterLevel~0)| 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse15 (= ~waterLevel~0 0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse10 .cse11 .cse6 .cse7) (or .cse12 .cse13 (and .cse1 .cse4) .cse5 .cse6) (or .cse9 .cse14 .cse5 .cse6 .cse15 .cse7) (or (and .cse1 .cse2 .cse4) .cse9 .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse10 .cse11 .cse13 .cse6) (or .cse0 .cse13 .cse3 .cse5 .cse6) (or (and .cse1 .cse15 .cse4) .cse13 .cse14 .cse5 .cse6 (and .cse16 .cse15))))) [2023-11-06 22:52:18,422 INFO L899 garLoopResultBuilder]: For program point L174-1(line 174) no Hoare annotation was computed. [2023-11-06 22:52:18,422 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 880) no Hoare annotation was computed. [2023-11-06 22:52:18,422 INFO L895 garLoopResultBuilder]: At program point L876-2(lines 872 883) the Hoare annotation is: (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse7 (not (= |old(~waterLevel~0)| 0))) (.cse8 (= ~waterLevel~0 0)) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse2 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse6 (and .cse1 (= ~methAndRunningLastTime~0 0)) .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse4 .cse8 .cse5) (or .cse9 .cse6 .cse4 .cse5) (or .cse10 .cse7 .cse3 .cse4 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse8)) (or .cse0 .cse10 .cse2 .cse3 .cse4) (or .cse1 .cse10 .cse3 .cse4) (or .cse9 .cse6 .cse10 .cse4))) [2023-11-06 22:52:18,422 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 1008 1015) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4) (or .cse5 .cse3 .cse2 .cse4) (or (< |old(~waterLevel~0)| 2) .cse1 .cse2 .cse4) (or .cse5 .cse3 .cse0 .cse2))) [2023-11-06 22:52:18,423 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 641 664) the Hoare annotation is: (let ((.cse9 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse8 .cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) .cse9 .cse10)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (= 0 ~systemActive~0)) (.cse7 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or (< |old(~waterLevel~0)| 2) .cse0 .cse2 .cse3 .cse7) (or .cse4 .cse5 .cse6 .cse1 .cse3) (or (and .cse8 .cse9 .cse10) .cse5 .cse2 .cse3 .cse7)))) [2023-11-06 22:52:18,423 INFO L895 garLoopResultBuilder]: At program point L744(line 744) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4) (or .cse5 .cse3 .cse6 .cse2 .cse4) (or (< |old(~waterLevel~0)| 2) .cse1 .cse2 .cse4) (or .cse5 .cse3 .cse6 .cse0 .cse2))) [2023-11-06 22:52:18,423 INFO L895 garLoopResultBuilder]: At program point L744-1(lines 725 749) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= 2 ~waterLevel~0) .cse18)) (.cse3 (and .cse6 .cse18 .cse17)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse14 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse15 (<= 1 |timeShift_processEnvironment_~tmp~8#1|)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse13 (< |old(~waterLevel~0)| 2)) (.cse16 (<= 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (not .cse4)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 0))) (.cse10 (< |old(~pumpRunning~0)| 1)) (.cse12 (= ~waterLevel~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (and .cse8 .cse9) .cse10 .cse4) (or .cse1 .cse11 .cse10 .cse4 .cse12 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse13 .cse10 .cse4 (and .cse8 .cse14 .cse15 .cse16 .cse9) .cse5) (or .cse1 (and .cse8 .cse14 .cse15 .cse9) .cse10 .cse4 .cse5) (or .cse13 .cse7 .cse16 .cse10 .cse4) (or (and .cse8 .cse12 .cse9) .cse7 .cse11 .cse10 .cse4 (and .cse17 .cse12))))) [2023-11-06 22:52:18,423 INFO L899 garLoopResultBuilder]: For program point L645-1(lines 644 663) no Hoare annotation was computed. [2023-11-06 22:52:18,424 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 641 664) no Hoare annotation was computed. [2023-11-06 22:52:18,424 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 766 776) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 0))) (.cse4 (= ~waterLevel~0 0)) (.cse9 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse11 (< |old(~waterLevel~0)| 2)) (.cse10 (<= 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse3 .cse5) (or .cse7 .cse1 .cse2 .cse3 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse4)) (or .cse0 (and .cse8 (= ~methAndRunningLastTime~0 0) .cse9) .cse2 .cse3 .cse5) (or (and .cse8 .cse9 .cse10) .cse11 .cse2 .cse3 .cse5) (or .cse11 .cse7 .cse10 .cse2 .cse3) (or .cse8 .cse7 .cse2 .cse3) (or .cse6 .cse0 .cse7 .cse3))) [2023-11-06 22:52:18,424 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 777 785) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse5 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse7 (not .cse2)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse8 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| ~methaneLevelCritical~0)) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2 (and .cse4 .cse5 .cse6 .cse7 .cse8) .cse9) (or .cse3 (not (= |old(~waterLevel~0)| 0)) .cse1 .cse2 (= ~waterLevel~0 0) .cse9) (or (and .cse4 .cse5 .cse6 (<= 1 ~waterLevel~0) .cse7 .cse8) (< |old(~waterLevel~0)| 2) .cse1 .cse2 .cse9) (let ((.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse10 .cse3 (and .cse4 .cse6 .cse11 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse8) (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= 2 ~waterLevel~0) .cse11 .cse8) .cse2 .cse9)) (or .cse10 .cse3 .cse0 .cse2)))) [2023-11-06 22:52:18,425 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2023-11-06 22:52:18,425 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-11-06 22:52:18,425 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-11-06 22:52:18,425 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2023-11-06 22:52:18,425 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-11-06 22:52:18,425 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-11-06 22:52:18,426 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-11-06 22:52:18,426 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2023-11-06 22:52:18,426 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-11-06 22:52:18,427 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-11-06 22:52:18,427 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-11-06 22:52:18,427 INFO L899 garLoopResultBuilder]: For program point L576(lines 575 622) no Hoare annotation was computed. [2023-11-06 22:52:18,427 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 618) no Hoare annotation was computed. [2023-11-06 22:52:18,427 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 860 867) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse3 .cse4 .cse5 .cse6))) [2023-11-06 22:52:18,428 INFO L895 garLoopResultBuilder]: At program point L597(line 597) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6))) [2023-11-06 22:52:18,428 INFO L902 garLoopResultBuilder]: At program point L626(lines 565 630) the Hoare annotation is: true [2023-11-06 22:52:18,428 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 118 128) the Hoare annotation is: true [2023-11-06 22:52:18,428 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 984 990) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:52:18,428 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2023-11-06 22:52:18,428 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 132 154) the Hoare annotation is: true [2023-11-06 22:52:18,429 INFO L899 garLoopResultBuilder]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2023-11-06 22:52:18,429 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 581) no Hoare annotation was computed. [2023-11-06 22:52:18,429 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:52:18,429 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:52:18,430 INFO L895 garLoopResultBuilder]: At program point L623(lines 574 624) the Hoare annotation is: false [2023-11-06 22:52:18,430 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:52:18,430 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:52:18,430 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2023-11-06 22:52:18,430 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 595 601) no Hoare annotation was computed. [2023-11-06 22:52:18,431 INFO L895 garLoopResultBuilder]: At program point L620(lines 575 622) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6))) [2023-11-06 22:52:18,431 INFO L895 garLoopResultBuilder]: At program point L587(line 587) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6))) [2023-11-06 22:52:18,431 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:52:18,431 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 991 997) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:52:18,434 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 160 167) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:52:18,434 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2023-11-06 22:52:18,434 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2023-11-06 22:52:18,434 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 998 1006) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2023-11-06 22:52:18,435 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 617) no Hoare annotation was computed. [2023-11-06 22:52:18,435 INFO L895 garLoopResultBuilder]: At program point L613-2(lines 605 618) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse3 .cse4 .cse5 .cse6))) [2023-11-06 22:52:18,435 INFO L895 garLoopResultBuilder]: At program point activatePump_returnLabel#1(lines 750 757) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or .cse2 .cse3 .cse1 .cse4 (< ~methaneLevelCritical~0 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4))) [2023-11-06 22:52:18,435 INFO L895 garLoopResultBuilder]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (< |old(~pumpRunning~0)| 1) .cse2))) [2023-11-06 22:52:18,435 INFO L899 garLoopResultBuilder]: For program point L692-1(lines 673 697) no Hoare annotation was computed. [2023-11-06 22:52:18,437 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 673 697) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse4 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (< |old(~pumpRunning~0)| 1) .cse2))) [2023-11-06 22:52:18,437 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 949 962) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1))) (.cse4 (and .cse6 (<= 2 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse1 .cse5) (or .cse2 .cse3 .cse4 .cse1 .cse5 (< ~methaneLevelCritical~0 1))))) [2023-11-06 22:52:18,439 INFO L899 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2023-11-06 22:52:18,439 INFO L899 garLoopResultBuilder]: For program point L831-2(lines 831 835) no Hoare annotation was computed. [2023-11-06 22:52:18,439 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 822 840) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse6 (<= 2 ~waterLevel~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (and .cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (not .cse1)))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or .cse2 .cse0 .cse3 .cse1 .cse4 .cse5) (or .cse2 .cse3 .cse1 .cse4 .cse5 (< ~methaneLevelCritical~0 1))))) [2023-11-06 22:52:18,439 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 673 697) no Hoare annotation was computed. [2023-11-06 22:52:18,439 INFO L899 garLoopResultBuilder]: For program point L953(lines 953 959) no Hoare annotation was computed. [2023-11-06 22:52:18,440 INFO L895 garLoopResultBuilder]: At program point L687(line 687) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0) (not .cse2))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~methaneLevelCritical~0 1)) (or .cse4 (< |old(~pumpRunning~0)| 1) .cse2) (or .cse0 .cse1 .cse4 .cse2 .cse3)))) [2023-11-06 22:52:18,440 INFO L899 garLoopResultBuilder]: For program point L681(lines 681 689) no Hoare annotation was computed. [2023-11-06 22:52:18,441 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 694) no Hoare annotation was computed. [2023-11-06 22:52:18,441 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 884 895) no Hoare annotation was computed. [2023-11-06 22:52:18,442 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 884 895) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (< |old(~waterLevel~0)| 2) .cse2 .cse3 .cse5) (or .cse6 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse2 .cse3 .cse4 .cse5))) [2023-11-06 22:52:18,442 INFO L899 garLoopResultBuilder]: For program point L888-1(lines 884 895) no Hoare annotation was computed. [2023-11-06 22:52:18,443 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 963 971) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) (= ~waterLevel~0 0))) .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse1 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:52:18,443 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 699 723) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse4 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (< |old(~pumpRunning~0)| 1) .cse2))) [2023-11-06 22:52:18,443 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) (= ~waterLevel~0 0))) .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse1 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:52:18,443 INFO L895 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) (= ~waterLevel~0 0))) .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse1 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:52:18,444 INFO L899 garLoopResultBuilder]: For program point L707(lines 707 715) no Hoare annotation was computed. [2023-11-06 22:52:18,444 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 720) no Hoare annotation was computed. [2023-11-06 22:52:18,445 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 841 859) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (< ~methaneLevelCritical~0 1)) (or .cse1 (< |old(~pumpRunning~0)| 1) .cse2 (let ((.cse4 (= ~waterLevel~0 0))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~10#1| 0) .cse4) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) .cse4)))))) [2023-11-06 22:52:18,445 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 699 723) no Hoare annotation was computed. [2023-11-06 22:52:18,445 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 854) no Hoare annotation was computed. [2023-11-06 22:52:18,445 INFO L899 garLoopResultBuilder]: For program point L850-2(lines 850 854) no Hoare annotation was computed. [2023-11-06 22:52:18,445 INFO L895 garLoopResultBuilder]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~methaneLevelCritical~0 1)) (or .cse4 (< |old(~pumpRunning~0)| 1) .cse2) (or .cse0 .cse1 .cse4 .cse2 .cse3))) [2023-11-06 22:52:18,446 INFO L899 garLoopResultBuilder]: For program point L718-1(lines 699 723) no Hoare annotation was computed. [2023-11-06 22:52:18,449 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:18,451 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:52:18,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:52:18 BoogieIcfgContainer [2023-11-06 22:52:18,565 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:52:18,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:52:18,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:52:18,579 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:52:18,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:56" (3/4) ... [2023-11-06 22:52:18,582 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:52:18,586 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-06 22:52:18,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 22:52:18,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:52:18,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-06 22:52:18,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:52:18,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:52:18,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:52:18,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:52:18,588 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-06 22:52:18,598 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-06 22:52:18,599 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:52:18,600 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:52:18,601 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:52:18,602 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:52:18,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:52:18,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:52:18,634 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:52:18,634 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:52:18,635 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\old(waterLevel) < 2) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && ((((!((\old(methAndRunningLastTime) == 0)) || ((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((!((methaneLevelCritical == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && (((((\old(waterLevel) < 2) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:52:18,635 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) && (((((\old(waterLevel) < 2) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && (1 <= waterLevel)) && !((0 == systemActive)))) || (methaneLevelCritical < 1))) && ((((!((\old(methAndRunningLastTime) == 0)) || ((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((\old(waterLevel) < 2) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((((((pumpRunning == 0) && (waterLevel == 0)) && !((0 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) [2023-11-06 22:52:18,636 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && !((0 == systemActive))) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1)) && (((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && ((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 <= waterLevel)) && !((0 == systemActive))) && (tmp == methaneLevelCritical)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel)) && (tmp == 0)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)) && (tmp == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)) && (tmp == methaneLevelCritical))) || (0 == systemActive)) || ((((1 <= pumpRunning) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel)) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1))) && ((((!((methaneLevelCritical == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0))) && (((((\old(waterLevel) < 2) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && !((0 == systemActive))) && (tmp == 0)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) [2023-11-06 22:52:18,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || ((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:52:18,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((!((methaneLevelCritical == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((((pumpRunning == \old(pumpRunning)) && (1 <= \result)) && (1 <= waterLevel)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((\old(waterLevel) < 2) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:52:18,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && ((((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((((pumpRunning == 0) && (1 <= \result)) && (\result == 0)) && !((0 == systemActive))) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && ((((((((((pumpRunning == 0) && (1 <= \result)) && (\result == 0)) && (1 <= waterLevel)) && !((0 == systemActive))) && (tmp == methaneLevelCritical)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime)) && (tmp == methaneLevelCritical))) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel)) && (tmp == methaneLevelCritical))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:52:18,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == \old(pumpRunning)) && ((\result == 0) || (waterLevel == 0))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && (((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:52:18,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\result == 1))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\result == 1))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:52:18,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((\old(waterLevel) < 2) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:52:18,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) && (((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && ((tmp == 0) || (waterLevel == 0))) && ((\result == 0) || (waterLevel == 0))))) [2023-11-06 22:52:18,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || ((((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0)) && !((0 == systemActive))))) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || ((((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0)) && !((0 == systemActive)))) || (methaneLevelCritical < 1))) [2023-11-06 22:52:18,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:52:18,678 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:52:18,678 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:52:18,679 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) [2023-11-06 22:52:18,679 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:52:18,679 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\old(waterLevel) < 2) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && ((((!((\old(methAndRunningLastTime) == 0)) || ((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((!((methaneLevelCritical == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && (((((\old(waterLevel) < 2) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:52:18,680 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) && (((((\old(waterLevel) < 2) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && (1 <= waterLevel)) && !((0 == systemActive)))) || (methaneLevelCritical < 1))) && ((((!((\old(methAndRunningLastTime) == 0)) || ((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((\old(waterLevel) < 2) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((((((pumpRunning == 0) && (waterLevel == 0)) && !((0 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) [2023-11-06 22:52:18,680 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && !((0 == systemActive))) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1)) && (((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && ((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 <= waterLevel)) && !((0 == systemActive))) && (tmp == methaneLevelCritical)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel)) && (tmp == 0)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)) && (tmp == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)) && (tmp == methaneLevelCritical))) || (0 == systemActive)) || ((((1 <= pumpRunning) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel)) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1))) && ((((!((methaneLevelCritical == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0))) && (((((\old(waterLevel) < 2) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && !((0 == systemActive))) && (tmp == 0)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) [2023-11-06 22:52:18,681 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || ((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-06 22:52:18,681 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((!((methaneLevelCritical == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((((pumpRunning == \old(pumpRunning)) && (1 <= \result)) && (1 <= waterLevel)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((\old(waterLevel) < 2) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:52:18,681 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && ((((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((((pumpRunning == 0) && (1 <= \result)) && (\result == 0)) && !((0 == systemActive))) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && ((((((((((pumpRunning == 0) && (1 <= \result)) && (\result == 0)) && (1 <= waterLevel)) && !((0 == systemActive))) && (tmp == methaneLevelCritical)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime)) && (tmp == methaneLevelCritical))) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel)) && (tmp == methaneLevelCritical))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:52:18,682 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == \old(pumpRunning)) && ((\result == 0) || (waterLevel == 0))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && (((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:52:18,682 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\result == 1))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\result == 1))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:52:18,682 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((\old(waterLevel) < 2) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) [2023-11-06 22:52:18,682 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) && (((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && ((tmp == 0) || (waterLevel == 0))) && ((\result == 0) || (waterLevel == 0))))) [2023-11-06 22:52:18,683 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || ((((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0)) && !((0 == systemActive))))) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || ((((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0)) && !((0 == systemActive)))) || (methaneLevelCritical < 1))) [2023-11-06 22:52:18,683 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:52:18,700 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:52:18,700 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:52:18,701 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:52:18,701 INFO L158 Benchmark]: Toolchain (without parser) took 23411.20ms. Allocated memory was 157.3MB in the beginning and 274.7MB in the end (delta: 117.4MB). Free memory was 116.3MB in the beginning and 90.0MB in the end (delta: 26.2MB). Peak memory consumption was 144.7MB. Max. memory is 16.1GB. [2023-11-06 22:52:18,702 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:52:18,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.14ms. Allocated memory is still 157.3MB. Free memory was 115.6MB in the beginning and 96.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:52:18,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.90ms. Allocated memory is still 157.3MB. Free memory was 96.3MB in the beginning and 93.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:52:18,703 INFO L158 Benchmark]: Boogie Preprocessor took 45.71ms. Allocated memory is still 157.3MB. Free memory was 93.5MB in the beginning and 92.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:52:18,704 INFO L158 Benchmark]: RCFGBuilder took 508.07ms. Allocated memory is still 157.3MB. Free memory was 92.2MB in the beginning and 73.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:52:18,704 INFO L158 Benchmark]: TraceAbstraction took 22105.14ms. Allocated memory was 157.3MB in the beginning and 274.7MB in the end (delta: 117.4MB). Free memory was 73.3MB in the beginning and 98.4MB in the end (delta: -25.2MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. [2023-11-06 22:52:18,704 INFO L158 Benchmark]: Witness Printer took 135.53ms. Allocated memory is still 274.7MB. Free memory was 98.4MB in the beginning and 90.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:52:18,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.14ms. Allocated memory is still 157.3MB. Free memory was 115.6MB in the beginning and 96.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.90ms. Allocated memory is still 157.3MB. Free memory was 96.3MB in the beginning and 93.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.71ms. Allocated memory is still 157.3MB. Free memory was 93.5MB in the beginning and 92.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 508.07ms. Allocated memory is still 157.3MB. Free memory was 92.2MB in the beginning and 73.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 22105.14ms. Allocated memory was 157.3MB in the beginning and 274.7MB in the end (delta: 117.4MB). Free memory was 73.3MB in the beginning and 98.4MB in the end (delta: -25.2MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. * Witness Printer took 135.53ms. Allocated memory is still 274.7MB. Free memory was 98.4MB in the beginning and 90.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [155] - GenericResultAtLocation [Line: 197]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197] - GenericResultAtLocation [Line: 563]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563] - GenericResultAtLocation [Line: 631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] - GenericResultAtLocation [Line: 868]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [868] - GenericResultAtLocation [Line: 972]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [972] - GenericResultAtLocation [Line: 1007]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1007] * 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: 1012]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.9s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2707 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2667 mSDsluCounter, 5927 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4415 mSDsCounter, 945 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4837 IncrementalHoareTripleChecker+Invalid, 5782 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 945 mSolverCounterUnsat, 1512 mSDtfsCounter, 4837 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 780 GetRequests, 575 SyntacticMatches, 3 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7097 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1402occurred in iteration=11, InterpolantAutomatonStates: 186, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 386 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 2016 PreInvPairs, 2366 NumberOfFragments, 3366 HoareAnnotationTreeSize, 2016 FomulaSimplifications, 3921 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 48 FomulaSimplificationsInter, 22596 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1018 NumberOfCodeBlocks, 1018 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1110 ConstructedInterpolants, 0 QuantifiedInterpolants, 1980 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1077 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 255/275 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: 109]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((((((pumpRunning == \old(pumpRunning)) && ((\result == 0) || (waterLevel == 0))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && (((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) && (((!((\old(pumpRunning) == 0)) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && ((tmp == 0) || (waterLevel == 0))) && ((\result == 0) || (waterLevel == 0))))) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || ((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) - InvariantResult [Line: 1008]: Loop Invariant Derived loop invariant: ((((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((\old(waterLevel) < 2) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) - InvariantResult [Line: 984]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || ((1 <= pumpRunning) && (2 <= waterLevel))) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((((((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: ((((((((((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1)) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((!((methaneLevelCritical == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && ((((!((\old(methAndRunningLastTime) == 0)) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (1 <= \result))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((((pumpRunning == \old(pumpRunning)) && (1 <= \result)) && (1 <= waterLevel)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((\old(waterLevel) < 2) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((((((((((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && !((0 == systemActive))) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1)) && (((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && ((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 <= waterLevel)) && !((0 == systemActive))) && (tmp == methaneLevelCritical)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel)) && (tmp == 0)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)) && (tmp == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)) && (tmp == methaneLevelCritical))) || (0 == systemActive)) || ((((1 <= pumpRunning) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel)) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1))) && ((((!((methaneLevelCritical == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0))) && (((((\old(waterLevel) < 2) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && !((0 == systemActive))) && (tmp == 0)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: ((((((((((((\old(waterLevel) < 2) || ((pumpRunning == \old(pumpRunning)) && (1 <= waterLevel))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1)) && ((((!((\old(methAndRunningLastTime) == 0)) || ((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && ((((!((methaneLevelCritical == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) && (((((\old(waterLevel) < 2) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (waterLevel == 1)) && !((0 == systemActive))) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || (0 == systemActive)) || (methaneLevelCritical < 1)) && (((((pumpRunning == \old(pumpRunning)) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) && (((((\old(waterLevel) < 2) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && (1 <= waterLevel)) && !((0 == systemActive)))) || (methaneLevelCritical < 1))) && ((((!((\old(methAndRunningLastTime) == 0)) || ((((pumpRunning == 0) && (1 <= \result)) && (1 <= tmp)) && !((0 == systemActive)))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((\old(waterLevel) < 2) || !((methaneLevelCritical == 0))) || (1 <= waterLevel)) || (\old(pumpRunning) < 1)) || (0 == systemActive))) && ((((((((pumpRunning == 0) && (waterLevel == 0)) && !((0 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || ((\old(methAndRunningLastTime) == methAndRunningLastTime) && (waterLevel == 0)))) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: (((((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && ((((!((\old(methAndRunningLastTime) == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (((((pumpRunning == 0) && (1 <= \result)) && (\result == 0)) && !((0 == systemActive))) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1))) && (((((!((\old(methAndRunningLastTime) == 0)) || !((\old(waterLevel) == 0))) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (waterLevel == 0)) || (methaneLevelCritical < 1))) && ((((((((((pumpRunning == 0) && (1 <= \result)) && (\result == 0)) && (1 <= waterLevel)) && !((0 == systemActive))) && (tmp == methaneLevelCritical)) || (\old(waterLevel) < 2)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (((((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel)) && (\old(methAndRunningLastTime) == methAndRunningLastTime)) && (tmp == methaneLevelCritical))) || (((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (2 <= waterLevel)) && (\old(waterLevel) == waterLevel)) && (tmp == methaneLevelCritical))) || (0 == systemActive)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((methaneLevelCritical == 0))) || (0 == systemActive))) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\result == 1))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0)))) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\result == 1))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: ((((!((methaneLevelCritical == 0)) || (\old(pumpRunning) < 1)) || (0 == systemActive)) && (((((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || ((((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0)) && !((0 == systemActive))))) && (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 <= waterLevel))) || (0 == systemActive)) || !((methAndRunningLastTime == 0))) || ((((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0)) && !((0 == systemActive)))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:52:18,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59382688-1e48-4e5d-b9b9-e4261c01d15f/bin/uautomizer-verify-WvqO1wxjHP/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