./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96a9f4a5eb48d3a052332271e6f513d6efe176b9f027fc1b42847acbd4831cf9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:10:13,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:10:13,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:10:13,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:10:13,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:10:13,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:10:13,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:10:13,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:10:13,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:10:13,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:10:13,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:10:13,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:10:13,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:10:13,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:10:13,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:10:13,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:10:13,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:10:13,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:10:13,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:10:13,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:10:13,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:10:13,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:10:13,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:10:13,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:10:14,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:10:14,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:10:14,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:10:14,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:10:14,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:10:14,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:10:14,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:10:14,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:10:14,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:10:14,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:10:14,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:10:14,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:10:14,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:10:14,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:10:14,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:10:14,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:10:14,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:10:14,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:10:14,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:10:14,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:10:14,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:10:14,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:10:14,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:10:14,052 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:10:14,052 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:10:14,053 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:10:14,053 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:10:14,053 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:10:14,054 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:10:14,054 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:10:14,055 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:10:14,055 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:10:14,055 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:10:14,055 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:10:14,056 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:10:14,056 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:10:14,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:10:14,057 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:10:14,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:10:14,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:10:14,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:10:14,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:10:14,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:10:14,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:10:14,060 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:10:14,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:10:14,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:10:14,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:10:14,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:10:14,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:10:14,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:10:14,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:10:14,062 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:10:14,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:10:14,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:10:14,063 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:10:14,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:10:14,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:10:14,063 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:10:14,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9f4a5eb48d3a052332271e6f513d6efe176b9f027fc1b42847acbd4831cf9 [2022-11-03 02:10:14,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:10:14,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:10:14,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:10:14,435 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:10:14,436 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:10:14,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2022-11-03 02:10:14,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/data/43abf7a1e/95f09f13edd7465cabf7143088ecf7dd/FLAGa30dee8cf [2022-11-03 02:10:15,060 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:10:15,060 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2022-11-03 02:10:15,071 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/data/43abf7a1e/95f09f13edd7465cabf7143088ecf7dd/FLAGa30dee8cf [2022-11-03 02:10:15,380 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/data/43abf7a1e/95f09f13edd7465cabf7143088ecf7dd [2022-11-03 02:10:15,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:10:15,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:10:15,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:10:15,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:10:15,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:10:15,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:10:15" (1/1) ... [2022-11-03 02:10:15,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79898cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15, skipping insertion in model container [2022-11-03 02:10:15,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:10:15" (1/1) ... [2022-11-03 02:10:15,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:10:15,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:10:15,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2022-11-03 02:10:15,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:10:15,765 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:10:15,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2022-11-03 02:10:15,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:10:15,911 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:10:15,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15 WrapperNode [2022-11-03 02:10:15,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:10:15,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:10:15,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:10:15,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:10:15,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15" (1/1) ... [2022-11-03 02:10:15,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15" (1/1) ... [2022-11-03 02:10:15,977 INFO L138 Inliner]: procedures = 58, calls = 161, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 270 [2022-11-03 02:10:15,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:10:15,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:10:15,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:10:15,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:10:15,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15" (1/1) ... [2022-11-03 02:10:15,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15" (1/1) ... [2022-11-03 02:10:16,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15" (1/1) ... [2022-11-03 02:10:16,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15" (1/1) ... [2022-11-03 02:10:16,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15" (1/1) ... [2022-11-03 02:10:16,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15" (1/1) ... [2022-11-03 02:10:16,037 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15" (1/1) ... [2022-11-03 02:10:16,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15" (1/1) ... [2022-11-03 02:10:16,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:10:16,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:10:16,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:10:16,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:10:16,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15" (1/1) ... [2022-11-03 02:10:16,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:10:16,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:10:16,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:10:16,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:10:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:10:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-03 02:10:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-03 02:10:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 02:10:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 02:10:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 02:10:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 02:10:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 02:10:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 02:10:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-03 02:10:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-03 02:10:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-03 02:10:16,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-03 02:10:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-03 02:10:16,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-03 02:10:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-03 02:10:16,136 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-03 02:10:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:10:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 02:10:16,137 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 02:10:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:10:16,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:10:16,245 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:10:16,247 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:10:16,715 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:10:16,854 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:10:16,855 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 02:10:16,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:10:16 BoogieIcfgContainer [2022-11-03 02:10:16,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:10:16,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:10:16,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:10:16,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:10:16,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:10:15" (1/3) ... [2022-11-03 02:10:16,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f4d4ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:10:16, skipping insertion in model container [2022-11-03 02:10:16,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:10:15" (2/3) ... [2022-11-03 02:10:16,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f4d4ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:10:16, skipping insertion in model container [2022-11-03 02:10:16,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:10:16" (3/3) ... [2022-11-03 02:10:16,874 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2022-11-03 02:10:16,896 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:10:16,896 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:10:16,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:10:16,969 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c84219f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:10:16,970 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:10:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 54 states have internal predecessors, (64), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-03 02:10:16,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 02:10:16,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:16,990 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:10:16,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:16,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:16,997 INFO L85 PathProgramCache]: Analyzing trace with hash 290419434, now seen corresponding path program 1 times [2022-11-03 02:10:17,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:17,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143136708] [2022-11-03 02:10:17,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:17,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:10:17,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:17,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143136708] [2022-11-03 02:10:17,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143136708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:17,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:17,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:10:17,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113168806] [2022-11-03 02:10:17,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:17,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:10:17,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:17,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:10:17,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:10:17,364 INFO L87 Difference]: Start difference. First operand has 72 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 54 states have internal predecessors, (64), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:10:17,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:17,485 INFO L93 Difference]: Finished difference Result 142 states and 193 transitions. [2022-11-03 02:10:17,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:10:17,489 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-03 02:10:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:17,500 INFO L225 Difference]: With dead ends: 142 [2022-11-03 02:10:17,500 INFO L226 Difference]: Without dead ends: 67 [2022-11-03 02:10:17,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:10:17,513 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:17,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:10:17,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-03 02:10:17,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-03 02:10:17,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 50 states have internal predecessors, (56), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 02:10:17,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 87 transitions. [2022-11-03 02:10:17,582 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 87 transitions. Word has length 21 [2022-11-03 02:10:17,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:17,582 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 87 transitions. [2022-11-03 02:10:17,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:10:17,584 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2022-11-03 02:10:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:10:17,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:17,590 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:10:17,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:10:17,591 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:17,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:17,592 INFO L85 PathProgramCache]: Analyzing trace with hash -817408466, now seen corresponding path program 1 times [2022-11-03 02:10:17,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:17,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176426139] [2022-11-03 02:10:17,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:17,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:10:17,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:17,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176426139] [2022-11-03 02:10:17,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176426139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:17,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:17,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:10:17,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882593365] [2022-11-03 02:10:17,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:17,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:10:17,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:17,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:10:17,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:10:17,749 INFO L87 Difference]: Start difference. First operand 67 states and 87 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:10:17,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:17,801 INFO L93 Difference]: Finished difference Result 106 states and 136 transitions. [2022-11-03 02:10:17,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:10:17,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-03 02:10:17,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:17,803 INFO L225 Difference]: With dead ends: 106 [2022-11-03 02:10:17,803 INFO L226 Difference]: Without dead ends: 59 [2022-11-03 02:10:17,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:10:17,806 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 14 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:17,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 106 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:10:17,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-03 02:10:17,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-03 02:10:17,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 45 states have internal predecessors, (50), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-03 02:10:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2022-11-03 02:10:17,834 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 22 [2022-11-03 02:10:17,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:17,835 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2022-11-03 02:10:17,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:10:17,835 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-11-03 02:10:17,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-03 02:10:17,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:17,839 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:10:17,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:10:17,839 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:17,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:17,840 INFO L85 PathProgramCache]: Analyzing trace with hash 456387070, now seen corresponding path program 1 times [2022-11-03 02:10:17,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:17,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4014398] [2022-11-03 02:10:17,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:17,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:10:17,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:17,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4014398] [2022-11-03 02:10:17,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4014398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:17,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:17,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:10:17,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551379309] [2022-11-03 02:10:17,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:17,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:10:17,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:17,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:10:17,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:10:17,993 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:10:18,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:18,096 INFO L93 Difference]: Finished difference Result 173 states and 225 transitions. [2022-11-03 02:10:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:10:18,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-11-03 02:10:18,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:18,098 INFO L225 Difference]: With dead ends: 173 [2022-11-03 02:10:18,098 INFO L226 Difference]: Without dead ends: 116 [2022-11-03 02:10:18,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:10:18,100 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 68 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:18,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 141 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:10:18,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-03 02:10:18,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2022-11-03 02:10:18,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 85 states have internal predecessors, (95), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-03 02:10:18,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 147 transitions. [2022-11-03 02:10:18,120 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 147 transitions. Word has length 25 [2022-11-03 02:10:18,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:18,121 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 147 transitions. [2022-11-03 02:10:18,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:10:18,121 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 147 transitions. [2022-11-03 02:10:18,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-03 02:10:18,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:18,123 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:10:18,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:10:18,124 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:18,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:18,124 INFO L85 PathProgramCache]: Analyzing trace with hash -209325405, now seen corresponding path program 1 times [2022-11-03 02:10:18,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:18,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971044286] [2022-11-03 02:10:18,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:18,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:10:18,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:18,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971044286] [2022-11-03 02:10:18,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971044286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:18,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:18,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:10:18,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833849140] [2022-11-03 02:10:18,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:18,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:10:18,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:18,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:10:18,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:10:18,268 INFO L87 Difference]: Start difference. First operand 113 states and 147 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:10:18,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:18,440 INFO L93 Difference]: Finished difference Result 310 states and 411 transitions. [2022-11-03 02:10:18,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:10:18,441 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-11-03 02:10:18,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:18,444 INFO L225 Difference]: With dead ends: 310 [2022-11-03 02:10:18,444 INFO L226 Difference]: Without dead ends: 199 [2022-11-03 02:10:18,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:10:18,446 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 38 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:18,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 295 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:10:18,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-11-03 02:10:18,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 190. [2022-11-03 02:10:18,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 123 states have (on average 1.2926829268292683) internal successors, (159), 138 states have internal predecessors, (159), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2022-11-03 02:10:18,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 239 transitions. [2022-11-03 02:10:18,474 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 239 transitions. Word has length 28 [2022-11-03 02:10:18,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:18,474 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 239 transitions. [2022-11-03 02:10:18,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:10:18,475 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 239 transitions. [2022-11-03 02:10:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-03 02:10:18,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:18,477 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:10:18,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:10:18,477 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:18,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:18,478 INFO L85 PathProgramCache]: Analyzing trace with hash 894536872, now seen corresponding path program 1 times [2022-11-03 02:10:18,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:18,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428922167] [2022-11-03 02:10:18,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:18,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:10:19,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:19,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428922167] [2022-11-03 02:10:19,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428922167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:19,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:19,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:10:19,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005080479] [2022-11-03 02:10:19,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:19,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:10:19,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:19,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:10:19,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:10:19,041 INFO L87 Difference]: Start difference. First operand 190 states and 239 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 02:10:19,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:19,400 INFO L93 Difference]: Finished difference Result 560 states and 712 transitions. [2022-11-03 02:10:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:10:19,401 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 37 [2022-11-03 02:10:19,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:19,404 INFO L225 Difference]: With dead ends: 560 [2022-11-03 02:10:19,404 INFO L226 Difference]: Without dead ends: 372 [2022-11-03 02:10:19,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:10:19,409 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 209 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:19,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 346 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:10:19,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-03 02:10:19,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 356. [2022-11-03 02:10:19,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 235 states have (on average 1.2893617021276595) internal successors, (303), 259 states have internal predecessors, (303), 65 states have call successors, (65), 55 states have call predecessors, (65), 55 states have return successors, (83), 58 states have call predecessors, (83), 65 states have call successors, (83) [2022-11-03 02:10:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 451 transitions. [2022-11-03 02:10:19,500 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 451 transitions. Word has length 37 [2022-11-03 02:10:19,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:19,501 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 451 transitions. [2022-11-03 02:10:19,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 02:10:19,501 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 451 transitions. [2022-11-03 02:10:19,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-03 02:10:19,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:19,503 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:10:19,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:10:19,503 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:19,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:19,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1370706086, now seen corresponding path program 1 times [2022-11-03 02:10:19,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:19,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244045271] [2022-11-03 02:10:19,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:19,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:19,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:10:19,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:19,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244045271] [2022-11-03 02:10:19,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244045271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:19,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:19,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:10:19,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730290430] [2022-11-03 02:10:19,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:19,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:10:19,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:19,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:10:19,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:10:19,892 INFO L87 Difference]: Start difference. First operand 356 states and 451 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-03 02:10:20,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:20,584 INFO L93 Difference]: Finished difference Result 886 states and 1159 transitions. [2022-11-03 02:10:20,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:10:20,585 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 40 [2022-11-03 02:10:20,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:20,589 INFO L225 Difference]: With dead ends: 886 [2022-11-03 02:10:20,590 INFO L226 Difference]: Without dead ends: 634 [2022-11-03 02:10:20,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:10:20,595 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 247 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:20,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 282 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:10:20,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2022-11-03 02:10:20,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 536. [2022-11-03 02:10:20,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 358 states have (on average 1.282122905027933) internal successors, (459), 394 states have internal predecessors, (459), 96 states have call successors, (96), 72 states have call predecessors, (96), 81 states have return successors, (127), 93 states have call predecessors, (127), 96 states have call successors, (127) [2022-11-03 02:10:20,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 682 transitions. [2022-11-03 02:10:20,692 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 682 transitions. Word has length 40 [2022-11-03 02:10:20,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:20,694 INFO L495 AbstractCegarLoop]: Abstraction has 536 states and 682 transitions. [2022-11-03 02:10:20,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-03 02:10:20,694 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 682 transitions. [2022-11-03 02:10:20,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-03 02:10:20,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:20,698 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-03 02:10:20,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:10:20,700 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:20,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:20,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1785497398, now seen corresponding path program 1 times [2022-11-03 02:10:20,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:20,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578875922] [2022-11-03 02:10:20,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:20,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:20,783 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 02:10:20,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:20,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578875922] [2022-11-03 02:10:20,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578875922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:20,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:20,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:10:20,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012963564] [2022-11-03 02:10:20,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:20,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:10:20,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:20,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:10:20,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:10:20,787 INFO L87 Difference]: Start difference. First operand 536 states and 682 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-03 02:10:20,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:20,936 INFO L93 Difference]: Finished difference Result 898 states and 1141 transitions. [2022-11-03 02:10:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:10:20,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 62 [2022-11-03 02:10:20,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:20,940 INFO L225 Difference]: With dead ends: 898 [2022-11-03 02:10:20,940 INFO L226 Difference]: Without dead ends: 364 [2022-11-03 02:10:20,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:10:20,943 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 99 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:20,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 134 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:10:20,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-11-03 02:10:21,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2022-11-03 02:10:21,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 241 states have (on average 1.2614107883817427) internal successors, (304), 266 states have internal predecessors, (304), 63 states have call successors, (63), 49 states have call predecessors, (63), 53 states have return successors, (78), 61 states have call predecessors, (78), 63 states have call successors, (78) [2022-11-03 02:10:21,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 445 transitions. [2022-11-03 02:10:21,006 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 445 transitions. Word has length 62 [2022-11-03 02:10:21,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:21,007 INFO L495 AbstractCegarLoop]: Abstraction has 358 states and 445 transitions. [2022-11-03 02:10:21,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-03 02:10:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 445 transitions. [2022-11-03 02:10:21,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-03 02:10:21,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:21,010 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-03 02:10:21,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:10:21,011 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:21,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:21,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1401071438, now seen corresponding path program 1 times [2022-11-03 02:10:21,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:21,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995743431] [2022-11-03 02:10:21,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:21,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:10:21,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:21,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995743431] [2022-11-03 02:10:21,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995743431] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:10:21,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770363835] [2022-11-03 02:10:21,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:21,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:10:21,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:10:21,296 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:10:21,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:10:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:21,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-03 02:10:21,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:10:21,660 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:10:21,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:10:21,849 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 02:10:21,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770363835] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:10:21,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [611239280] [2022-11-03 02:10:21,874 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-03 02:10:21,875 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:10:21,879 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:10:21,886 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:10:21,886 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:10:27,545 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 50 for LOIs [2022-11-03 02:10:27,554 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 31 for LOIs [2022-11-03 02:10:27,919 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 43 for LOIs [2022-11-03 02:10:27,925 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 26 for LOIs [2022-11-03 02:10:28,076 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 28 for LOIs [2022-11-03 02:10:28,079 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:10:34,567 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7800#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| |timeShift_getWaterLevel_#res#1|) (= |timeShift_getWaterLevel_~retValue_acc~7#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 0)) (<= 0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset 0) (<= 1 ~systemActive~0) (<= |#NULL.offset| 0) (<= |old(~switchedOnBeforeTS~0)| 0) (= |old(~pumpRunning~0)| 0) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 1) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (<= 2 |old(~waterLevel~0)|) (<= ~methaneLevelCritical~0 0) (<= 0 ~head~0.base) (= |timeShift_getWaterLevel_~retValue_acc~7#1| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (<= |timeShift_getWaterLevel_#res#1| 2147483647) (<= 2 |timeShift_getWaterLevel_#res#1|) (<= ~head~0.base 0) (<= 0 |#NULL.offset|) (<= 0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1|) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 1) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 02:10:34,567 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:10:34,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:10:34,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 16 [2022-11-03 02:10:34,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115446151] [2022-11-03 02:10:34,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:10:34,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-03 02:10:34,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:34,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-03 02:10:34,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=1875, Unknown=0, NotChecked=0, Total=2162 [2022-11-03 02:10:34,570 INFO L87 Difference]: Start difference. First operand 358 states and 445 transitions. Second operand has 16 states, 14 states have (on average 6.285714285714286) internal successors, (88), 15 states have internal predecessors, (88), 7 states have call successors, (19), 4 states have call predecessors, (19), 6 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-03 02:10:41,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:41,356 INFO L93 Difference]: Finished difference Result 4476 states and 5812 transitions. [2022-11-03 02:10:41,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-11-03 02:10:41,357 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 6.285714285714286) internal successors, (88), 15 states have internal predecessors, (88), 7 states have call successors, (19), 4 states have call predecessors, (19), 6 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 70 [2022-11-03 02:10:41,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:41,389 INFO L225 Difference]: With dead ends: 4476 [2022-11-03 02:10:41,389 INFO L226 Difference]: Without dead ends: 3152 [2022-11-03 02:10:41,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 215 SyntacticMatches, 1 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11607 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=2480, Invalid=26250, Unknown=0, NotChecked=0, Total=28730 [2022-11-03 02:10:41,406 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 1427 mSDsluCounter, 3177 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 1628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1437 SdHoareTripleChecker+Valid, 3247 SdHoareTripleChecker+Invalid, 5773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1628 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:41,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1437 Valid, 3247 Invalid, 5773 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1628 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 02:10:41,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-11-03 02:10:41,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 1898. [2022-11-03 02:10:41,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1898 states, 1294 states have (on average 1.23338485316847) internal successors, (1596), 1405 states have internal predecessors, (1596), 309 states have call successors, (309), 270 states have call predecessors, (309), 294 states have return successors, (418), 300 states have call predecessors, (418), 309 states have call successors, (418) [2022-11-03 02:10:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1898 states and 2323 transitions. [2022-11-03 02:10:41,605 INFO L78 Accepts]: Start accepts. Automaton has 1898 states and 2323 transitions. Word has length 70 [2022-11-03 02:10:41,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:41,605 INFO L495 AbstractCegarLoop]: Abstraction has 1898 states and 2323 transitions. [2022-11-03 02:10:41,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 6.285714285714286) internal successors, (88), 15 states have internal predecessors, (88), 7 states have call successors, (19), 4 states have call predecessors, (19), 6 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-03 02:10:41,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2323 transitions. [2022-11-03 02:10:41,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-03 02:10:41,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:41,611 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-03 02:10:41,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:10:41,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-03 02:10:41,827 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:41,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:41,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1642701670, now seen corresponding path program 1 times [2022-11-03 02:10:41,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:41,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282352275] [2022-11-03 02:10:41,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:41,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:42,151 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-03 02:10:42,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:42,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282352275] [2022-11-03 02:10:42,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282352275] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:10:42,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918705503] [2022-11-03 02:10:42,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:42,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:10:42,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:10:42,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:10:42,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:10:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:42,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 02:10:42,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:10:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:10:42,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:10:42,483 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:10:42,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918705503] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:10:42,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1033898176] [2022-11-03 02:10:42,486 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2022-11-03 02:10:42,486 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:10:42,487 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:10:42,487 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:10:42,487 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:10:50,941 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 50 for LOIs [2022-11-03 02:10:50,952 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 34 for LOIs [2022-11-03 02:10:51,491 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 53 for LOIs [2022-11-03 02:10:51,502 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 34 for LOIs [2022-11-03 02:10:51,673 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 60 for LOIs [2022-11-03 02:10:51,687 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 32 for LOIs [2022-11-03 02:10:51,689 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:10:59,630 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '18260#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| |timeShift_getWaterLevel_#res#1|) (= |timeShift_getWaterLevel_~retValue_acc~7#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 0)) (= ~methaneLevelCritical~0 0) (<= 0 (+ 2147483648 |old(~pumpRunning~0)|)) (= ~head~0.offset 0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1|) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (= |timeShift_getWaterLevel_~retValue_acc~7#1| ~waterLevel~0) (<= |timeShift_getWaterLevel_#res#1| 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 2147483648)) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= 0 (+ |timeShift_getWaterLevel_~retValue_acc~7#1| 2147483648)) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 02:10:59,631 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:10:59,631 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:10:59,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 18 [2022-11-03 02:10:59,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396343473] [2022-11-03 02:10:59,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:10:59,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-03 02:10:59,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:59,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-03 02:10:59,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=2484, Unknown=0, NotChecked=0, Total=2862 [2022-11-03 02:10:59,634 INFO L87 Difference]: Start difference. First operand 1898 states and 2323 transitions. Second operand has 18 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 6 states have call successors, (18), 3 states have call predecessors, (18), 7 states have return successors, (20), 9 states have call predecessors, (20), 6 states have call successors, (20) [2022-11-03 02:11:04,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:11:04,567 INFO L93 Difference]: Finished difference Result 5152 states and 6569 transitions. [2022-11-03 02:11:04,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-11-03 02:11:04,567 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 6 states have call successors, (18), 3 states have call predecessors, (18), 7 states have return successors, (20), 9 states have call predecessors, (20), 6 states have call successors, (20) Word has length 73 [2022-11-03 02:11:04,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:11:04,592 INFO L225 Difference]: With dead ends: 5152 [2022-11-03 02:11:04,592 INFO L226 Difference]: Without dead ends: 4184 [2022-11-03 02:11:04,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 202 SyntacticMatches, 5 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10844 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=2243, Invalid=24817, Unknown=0, NotChecked=0, Total=27060 [2022-11-03 02:11:04,607 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 934 mSDsluCounter, 2083 mSDsCounter, 0 mSdLazyCounter, 2874 mSolverCounterSat, 828 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 1939 SdHoareTripleChecker+Invalid, 3702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 828 IncrementalHoareTripleChecker+Valid, 2874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:11:04,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 1939 Invalid, 3702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [828 Valid, 2874 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 02:11:04,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4184 states. [2022-11-03 02:11:04,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4184 to 2967. [2022-11-03 02:11:04,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2967 states, 2028 states have (on average 1.2366863905325445) internal successors, (2508), 2205 states have internal predecessors, (2508), 482 states have call successors, (482), 419 states have call predecessors, (482), 456 states have return successors, (686), 453 states have call predecessors, (686), 482 states have call successors, (686) [2022-11-03 02:11:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 3676 transitions. [2022-11-03 02:11:04,948 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 3676 transitions. Word has length 73 [2022-11-03 02:11:04,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:11:04,949 INFO L495 AbstractCegarLoop]: Abstraction has 2967 states and 3676 transitions. [2022-11-03 02:11:04,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 6 states have call successors, (18), 3 states have call predecessors, (18), 7 states have return successors, (20), 9 states have call predecessors, (20), 6 states have call successors, (20) [2022-11-03 02:11:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 3676 transitions. [2022-11-03 02:11:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-03 02:11:04,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:11:04,955 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 02:11:04,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:11:05,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:11:05,171 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:11:05,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:11:05,171 INFO L85 PathProgramCache]: Analyzing trace with hash 977576474, now seen corresponding path program 1 times [2022-11-03 02:11:05,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:11:05,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105794746] [2022-11-03 02:11:05,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:11:05,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:11:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:11:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-03 02:11:05,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:11:05,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105794746] [2022-11-03 02:11:05,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105794746] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:11:05,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568554325] [2022-11-03 02:11:05,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:11:05,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:11:05,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:11:05,350 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:11:05,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:11:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:11:05,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-03 02:11:05,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:11:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 63 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 02:11:05,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:11:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 54 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-03 02:11:06,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568554325] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:11:06,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [375101387] [2022-11-03 02:11:06,434 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2022-11-03 02:11:06,435 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:11:06,435 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:11:06,435 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:11:06,435 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:11:10,504 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 43 for LOIs [2022-11-03 02:11:10,512 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2022-11-03 02:11:10,847 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 42 for LOIs [2022-11-03 02:11:10,852 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 29 for LOIs [2022-11-03 02:11:10,957 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 58 for LOIs [2022-11-03 02:11:10,971 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:11:17,722 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '31572#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| |timeShift_getWaterLevel_#res#1|) (= |timeShift_getWaterLevel_~retValue_acc~7#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 0)) (<= 0 |old(~pumpRunning~0)|) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1| 1) (<= |old(~pumpRunning~0)| 0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (<= 2 |old(~waterLevel~0)|) (<= ~methaneLevelCritical~0 0) (<= 0 ~head~0.base) (= |timeShift_getWaterLevel_~retValue_acc~7#1| ~waterLevel~0) (<= 0 ~methaneLevelCritical~0) (<= |timeShift_getWaterLevel_#res#1| 2147483647) (<= 2 |timeShift_getWaterLevel_#res#1|) (<= ~head~0.base 0) (= |#NULL.offset| 0) (<= 0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1|) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 02:11:17,722 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 02:11:17,723 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:11:17,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 11] total 24 [2022-11-03 02:11:17,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962592317] [2022-11-03 02:11:17,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 02:11:17,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-03 02:11:17,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:11:17,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-03 02:11:17,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=2837, Unknown=0, NotChecked=0, Total=3192 [2022-11-03 02:11:17,725 INFO L87 Difference]: Start difference. First operand 2967 states and 3676 transitions. Second operand has 24 states, 23 states have (on average 6.130434782608695) internal successors, (141), 23 states have internal predecessors, (141), 13 states have call successors, (33), 5 states have call predecessors, (33), 10 states have return successors, (32), 14 states have call predecessors, (32), 12 states have call successors, (32) [2022-11-03 02:11:25,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:11:25,145 INFO L93 Difference]: Finished difference Result 9533 states and 12426 transitions. [2022-11-03 02:11:25,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-11-03 02:11:25,146 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.130434782608695) internal successors, (141), 23 states have internal predecessors, (141), 13 states have call successors, (33), 5 states have call predecessors, (33), 10 states have return successors, (32), 14 states have call predecessors, (32), 12 states have call successors, (32) Word has length 103 [2022-11-03 02:11:25,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:11:25,149 INFO L225 Difference]: With dead ends: 9533 [2022-11-03 02:11:25,149 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:11:25,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 318 SyntacticMatches, 6 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11126 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=2675, Invalid=26395, Unknown=0, NotChecked=0, Total=29070 [2022-11-03 02:11:25,175 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 1793 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 3452 mSolverCounterSat, 1603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1793 SdHoareTripleChecker+Valid, 1172 SdHoareTripleChecker+Invalid, 5055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1603 IncrementalHoareTripleChecker+Valid, 3452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:11:25,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1793 Valid, 1172 Invalid, 5055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1603 Valid, 3452 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 02:11:25,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:11:25,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:11:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:11:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:11:25,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2022-11-03 02:11:25,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:11:25,179 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:11:25,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.130434782608695) internal successors, (141), 23 states have internal predecessors, (141), 13 states have call successors, (33), 5 states have call predecessors, (33), 10 states have return successors, (32), 14 states have call predecessors, (32), 12 states have call successors, (32) [2022-11-03 02:11:25,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:11:25,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:11:25,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:11:25,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:11:25,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 02:11:25,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:11:43,257 WARN L234 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 541 DAG size of output: 292 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-03 02:12:19,784 WARN L234 SmtUtils]: Spent 6.98s on a formula simplification. DAG size of input: 831 DAG size of output: 76 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-03 02:12:30,488 WARN L234 SmtUtils]: Spent 6.12s on a formula simplification. DAG size of input: 652 DAG size of output: 90 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-03 02:12:43,581 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 624 631) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (= 0 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (= |old(~pumpRunning~0)| 0)) (.cse3 (= ~switchedOnBeforeTS~0 0))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 1)) .cse3 .cse4) (or (not (= ~waterLevel~0 1)) .cse5 .cse0 .cse6 .cse3) (or .cse5 (not (<= 2 ~waterLevel~0)) .cse6 (not (<= ~waterLevel~0 2)) .cse7) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse7 .cse4) (or (not (<= ~waterLevel~0 0)) .cse5 .cse0 .cse6 .cse3))) [2022-11-03 02:12:43,582 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed. [2022-11-03 02:12:43,582 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 540 546) no Hoare annotation was computed. [2022-11-03 02:12:43,582 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 540 546) the Hoare annotation is: true [2022-11-03 02:12:43,582 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 758 769) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse5 (and .cse7 (not (= ~pumpRunning~0 1)))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse10 (not (= 0 ~systemActive~0))) (.cse0 (not .cse7)) (.cse6 (not (= 2 ~waterLevel~0))) (.cse9 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (not .cse1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse8) (or .cse0 .cse9 .cse1 .cse3 .cse4 .cse10) (or .cse5 .cse0 .cse1 .cse2 .cse6) (or .cse9 .cse7 .cse8 .cse3 .cse4 .cse10) (or (not (= ~waterLevel~0 1)) .cse0 .cse9 .cse1 .cse2) (or .cse0 .cse9 .cse1 .cse2 .cse6) (or .cse9 .cse2 .cse7 .cse8 (not (<= ~waterLevel~0 1)))))) [2022-11-03 02:12:43,583 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 758 769) no Hoare annotation was computed. [2022-11-03 02:12:43,583 INFO L902 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: true [2022-11-03 02:12:43,583 INFO L899 garLoopResultBuilder]: For program point L833-1(line 833) no Hoare annotation was computed. [2022-11-03 02:12:43,583 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 827 856) no Hoare annotation was computed. [2022-11-03 02:12:43,583 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 827 856) the Hoare annotation is: true [2022-11-03 02:12:43,583 INFO L902 garLoopResultBuilder]: At program point L852(lines 827 856) the Hoare annotation is: true [2022-11-03 02:12:43,584 INFO L899 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2022-11-03 02:12:43,584 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2022-11-03 02:12:43,584 INFO L902 garLoopResultBuilder]: At program point L841-1(lines 841 845) the Hoare annotation is: true [2022-11-03 02:12:43,584 INFO L902 garLoopResultBuilder]: At program point L837-2(lines 837 851) the Hoare annotation is: true [2022-11-03 02:12:43,585 INFO L895 garLoopResultBuilder]: At program point L956(line 956) the Hoare annotation is: (let ((.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse19 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (not (<= |old(~waterLevel~0)| 1))) (.cse16 (not .cse6)) (.cse7 (not (= ~switchedOnBeforeTS~0 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse10 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse21 (let ((.cse22 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse22) .cse11) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse22))))) (let ((.cse3 (and .cse7 .cse8 .cse9 .cse10 .cse21)) (.cse5 (and (or .cse12 .cse16) (not (<= |old(~waterLevel~0)| 0)))) (.cse17 (and .cse8 .cse10 .cse11 .cse19)) (.cse20 (not (= 0 ~systemActive~0))) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse18 (not .cse8)) (.cse1 (not (= 1 ~systemActive~0))) (.cse13 (not .cse0)) (.cse14 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse15 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse12 .cse1 .cse13 .cse14 .cse15) (or .cse16 .cse1 .cse17 (not (<= |old(~waterLevel~0)| 2))) (or .cse1 .cse13 (and .cse18 .cse9 .cse10 (= ~waterLevel~0 1) .cse19) .cse2) (or .cse16 .cse5 .cse17 .cse20) (or .cse16 .cse2 .cse20) (or .cse4 .cse12 .cse1 .cse6 .cse13 (and .cse18 .cse9 .cse10 .cse21 .cse19)) (or .cse1 .cse13 .cse14 .cse2 .cse15))))) [2022-11-03 02:12:43,585 INFO L899 garLoopResultBuilder]: For program point L956-1(line 956) no Hoare annotation was computed. [2022-11-03 02:12:43,585 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not .cse3))) (let ((.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~systemActive~0))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse7 (and (or .cse1 .cse6) (not (<= |old(~waterLevel~0)| 0)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse4) (or .cse6 .cse7 .cse8) (or .cse6 .cse4 .cse8) (or .cse2 (and (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 1))) .cse3 .cse4) (or .cse6 .cse7 .cse2 .cse5))))) [2022-11-03 02:12:43,586 INFO L895 garLoopResultBuilder]: At program point L593-1(lines 574 598) the Hoare annotation is: (let ((.cse24 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse23 (= ~pumpRunning~0 0)) (.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not .cse3)) (.cse17 (= ~pumpRunning~0 1)) (.cse5 (not .cse23)) (.cse19 (= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse25 (= 1 ~systemActive~0)) (.cse4 (not .cse13)) (.cse6 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse7 (let ((.cse26 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse26) .cse24) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse26))))) (let ((.cse15 (not (<= |old(~waterLevel~0)| 2))) (.cse16 (not (= |old(~pumpRunning~0)| 1))) (.cse21 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse18 (and (not (= ~switchedOnBeforeTS~0 0)) .cse23 .cse25 .cse4 (<= ~waterLevel~0 2) .cse6 .cse7)) (.cse10 (and .cse23 .cse13 .cse25 .cse24 .cse8)) (.cse22 (and .cse5 .cse25 .cse6 .cse7 .cse19 .cse8)) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse12 (and (= 2 ~waterLevel~0) .cse13 .cse25 .cse24 .cse17)) (.cse20 (and (or .cse1 .cse9) (not (<= |old(~waterLevel~0)| 0)))) (.cse2 (not .cse25)) (.cse14 (and .cse23 .cse24 .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8)) (or .cse9 .cse10 .cse2 .cse4 .cse11 .cse12) (or .cse9 .cse13 .cse2 .cse14 .cse15) (or .cse0 .cse1 .cse2 .cse4 .cse16 .cse17) (or .cse0 .cse13 .cse2 .cse3 .cse18 .cse15) (or (and .cse19 .cse17) .cse2 .cse4 .cse16 .cse11) (or .cse9 .cse20 .cse21) (or .cse9 .cse11 .cse21) (or .cse0 .cse22 .cse2 .cse3 .cse4 .cse11) (or .cse13 .cse2 .cse3 .cse18 .cse11) (or .cse10 .cse22 .cse2 .cse4 .cse11 .cse12) (or .cse9 .cse20 .cse2 .cse14))))) [2022-11-03 02:12:43,587 INFO L895 garLoopResultBuilder]: At program point L527-1(lines 527 533) the Hoare annotation is: (let ((.cse22 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse23 (= ~pumpRunning~0 0))) (let ((.cse17 (= ~pumpRunning~0 1)) (.cse5 (not .cse23)) (.cse19 (= ~waterLevel~0 1)) (.cse21 (= 1 ~systemActive~0)) (.cse4 (not .cse13)) (.cse6 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse7 (let ((.cse24 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse24) .cse22) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse24)))) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse16 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not .cse3)) (.cse14 (and .cse23 .cse22 .cse8)) (.cse15 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse18 (and (not (= ~switchedOnBeforeTS~0 0)) .cse23 .cse21 .cse4 (<= ~waterLevel~0 2) .cse6 .cse7)) (.cse10 (and .cse23 .cse13 .cse21 .cse22 .cse8)) (.cse20 (and .cse5 .cse21 .cse6 .cse7 .cse19 .cse8)) (.cse2 (not .cse21)) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse12 (and (= 2 ~waterLevel~0) .cse13 .cse21 .cse22 .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8)) (or .cse9 .cse10 .cse2 .cse4 .cse11 .cse12) (or .cse9 .cse13 .cse2 .cse14 .cse15) (or .cse0 .cse1 .cse2 .cse4 .cse16 .cse17) (or .cse0 .cse13 .cse2 .cse3 .cse18 .cse15) (or (and .cse19 .cse17) .cse2 .cse4 .cse16 .cse11) (or .cse1 .cse9 .cse2 .cse14) (or .cse9 .cse14 .cse15 (not (= 0 ~systemActive~0))) (or .cse0 .cse20 .cse2 .cse3 .cse4 .cse11) (or .cse13 .cse2 .cse3 .cse18 .cse11) (or .cse10 .cse20 .cse2 .cse4 .cse11 .cse12))))) [2022-11-03 02:12:43,587 INFO L895 garLoopResultBuilder]: At program point L420(line 420) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~systemActive~0)))) (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse2 .cse1) (or .cse0 .cse2 .cse3) (or .cse1 .cse4) (or .cse2 .cse4 .cse3))) [2022-11-03 02:12:43,588 INFO L895 garLoopResultBuilder]: At program point L941(line 941) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not .cse3)) (.cse16 (= ~pumpRunning~0 0))) (let ((.cse0 (not .cse16)) (.cse11 (and (not (= ~switchedOnBeforeTS~0 0)) .cse16)) (.cse12 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (and (or .cse15 .cse6) (not (<= |old(~waterLevel~0)| 0)))) (.cse13 (and .cse16 .cse14)) (.cse9 (not (= 0 ~systemActive~0))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse17 (not .cse1)) (.cse18 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse19 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse10 .cse2 .cse11 .cse12) (or .cse6 .cse13 .cse4 .cse9) (or .cse5 .cse2 (and .cse0 .cse14 .cse8) .cse3 .cse7) (or .cse6 .cse2 .cse4 .cse11 .cse12) (or .cse15 .cse6 .cse2 .cse14) (or .cse5 .cse6 (and .cse16 .cse8) .cse2 .cse7) (or .cse6 .cse10 .cse13 .cse9) (or .cse5 .cse2 .cse17 .cse18 .cse7 .cse19) (or .cse2 .cse4 .cse14) (or .cse2 .cse17 .cse18 .cse4 .cse19))))) [2022-11-03 02:12:43,588 INFO L895 garLoopResultBuilder]: At program point L941-1(line 941) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse17 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__2_#t~ret50#1|)) (.cse18 (= ~pumpRunning~0 1)) (.cse10 (not .cse3))) (let ((.cse11 (and (or (not (<= |old(~waterLevel~0)| 1)) .cse10) (not (<= |old(~waterLevel~0)| 0)))) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (= ~pumpRunning~0 0)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (not (= 0 ~systemActive~0))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse16 (and .cse1 .cse17 .cse6 .cse18)) (.cse2 (not .cse17)) (.cse14 (not .cse1)) (.cse15 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~waterLevel~0)| 2)))) (and (or (not .cse0) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 (and (not (= |timeShift___utac_acc__Specification5_spec__2_#t~ret50#1| 0)) .cse6 .cse7 .cse8) .cse3 .cse9) (or .cse5 .cse10 .cse11 .cse1 .cse8 .cse12) (or .cse5 .cse13 .cse2 .cse8) (or .cse2 .cse4 (and .cse6 .cse7)) (or .cse5 .cse10 .cse1 .cse4 .cse8 .cse12) (or .cse5 .cse11 .cse2 .cse14 .cse15 .cse16) (or .cse10 .cse11 .cse2 (and .cse0 .cse17 .cse6 .cse7)) (or .cse10 .cse9 (and .cse0 .cse6 .cse7) .cse12) (or .cse5 .cse2 .cse9 .cse8 (not (<= 2 |old(~waterLevel~0)|))) (or .cse10 .cse2 .cse4 (and .cse0 .cse17)) (or .cse5 .cse10 .cse13 .cse8 .cse12) (or .cse5 .cse13 .cse2 .cse14 .cse15 .cse16) (or .cse2 .cse14 .cse15 .cse4 .cse18))))) [2022-11-03 02:12:43,588 INFO L899 garLoopResultBuilder]: For program point L520-2(lines 516 538) no Hoare annotation was computed. [2022-11-03 02:12:43,588 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2022-11-03 02:12:43,589 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2022-11-03 02:12:43,589 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 968) no Hoare annotation was computed. [2022-11-03 02:12:43,589 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 971) no Hoare annotation was computed. [2022-11-03 02:12:43,590 INFO L895 garLoopResultBuilder]: At program point L954-1(lines 946 974) the Hoare annotation is: (let ((.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~pumpRunning~0)| 0))) (let ((.cse17 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse24 (not (<= |old(~waterLevel~0)| 1))) (.cse19 (not .cse9)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse10 (not (= ~switchedOnBeforeTS~0 0))) (.cse11 (= ~pumpRunning~0 0)) (.cse12 (= 1 ~systemActive~0)) (.cse13 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse14 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse4 (let ((.cse26 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse26) .cse15) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse26))))) (let ((.cse23 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse4)) (.cse6 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse20 (and .cse8 .cse2)) (.cse7 (and (or .cse24 .cse19) (not (<= |old(~waterLevel~0)| 0)))) (.cse21 (and .cse11 .cse14 .cse15 .cse17)) (.cse22 (not (= 0 ~systemActive~0))) (.cse1 (not .cse8)) (.cse16 (not .cse11)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (not .cse12)) (.cse25 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (.cse18 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or .cse6 .cse7 .cse8 .cse0 .cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15)) (or .cse6 .cse0 .cse9 .cse1 (and .cse16 .cse13 .cse14 .cse4 .cse17) .cse18) (or .cse19 .cse7 .cse0 (and .cse11 .cse12 .cse14 .cse15 .cse17)) (or .cse19 .cse0 .cse20 (and .cse11 .cse12 .cse14 .cse17) .cse3) (or .cse19 .cse3 .cse21 .cse22) (or .cse6 .cse23 (not (= |old(~waterLevel~0)| 1)) .cse8 .cse0 .cse9) (or .cse23 .cse8 .cse0 .cse9 .cse3) (or .cse6 .cse24 .cse0 .cse20 .cse1 .cse5) (or .cse19 .cse7 .cse21 .cse22) (or .cse0 .cse1 (and .cse16 .cse13 .cse14 (= ~waterLevel~0 1) .cse17) .cse3 (and .cse15 .cse25 .cse5) (and .cse11 .cse12 .cse15 .cse25 .cse17)) (or .cse19 .cse0 .cse25 .cse18 (not (<= 2 |old(~waterLevel~0)|))))))) [2022-11-03 02:12:43,590 INFO L899 garLoopResultBuilder]: For program point L959(lines 959 965) no Hoare annotation was computed. [2022-11-03 02:12:43,590 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 513 539) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not .cse3)) (.cse16 (= ~pumpRunning~0 0))) (let ((.cse0 (not .cse16)) (.cse11 (and (not (= ~switchedOnBeforeTS~0 0)) .cse16)) (.cse12 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (and (or .cse15 .cse6) (not (<= |old(~waterLevel~0)| 0)))) (.cse13 (and .cse16 .cse14)) (.cse9 (not (= 0 ~systemActive~0))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse17 (not .cse1)) (.cse18 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse19 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse10 .cse2 .cse11 .cse12) (or .cse6 .cse13 .cse4 .cse9) (or .cse5 .cse2 (and .cse0 .cse14 .cse8) .cse3 .cse7) (or .cse6 .cse2 .cse4 .cse11 .cse12) (or .cse15 .cse6 .cse2 .cse14) (or .cse5 .cse6 (and .cse16 .cse8) .cse2 .cse7) (or .cse6 .cse10 .cse13 .cse9) (or .cse5 .cse2 .cse17 .cse18 .cse7 .cse19) (or .cse2 .cse4 .cse14) (or .cse2 .cse17 .cse18 .cse4 .cse19))))) [2022-11-03 02:12:43,591 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (and (or .cse10 .cse5) (not (<= |old(~waterLevel~0)| 0)))) (.cse12 (not (= 0 ~systemActive~0))) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (not (= ~pumpRunning~0 0))) (.cse8 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6) (or .cse2 (and .cse7 .cse8 (= ~waterLevel~0 1) .cse9) .cse6) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4) (or .cse10 .cse5 .cse2) (or .cse2 .cse3 .cse6 .cse4) (or .cse0 .cse10 .cse11 .cse2) (or .cse5 .cse1 .cse12) (or .cse5 .cse6 .cse12) (or .cse11 .cse2 .cse6) (or .cse0 .cse2 (not (<= |old(~waterLevel~0)| 2)) (and .cse7 .cse8 (let ((.cse13 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse13) (= |old(~waterLevel~0)| ~waterLevel~0)) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse13))) .cse9))))) [2022-11-03 02:12:43,591 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 513 539) no Hoare annotation was computed. [2022-11-03 02:12:43,591 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2022-11-03 02:12:43,592 INFO L895 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse6 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse3 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse4 (< 0 |old(~waterLevel~0)|)) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (not .cse5)) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse10 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7)) (or .cse8 .cse0 .cse1) (or .cse9 .cse8 .cse0) (or .cse9 .cse8 .cse10) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse9 .cse0 (and .cse2 .cse5 .cse11 .cse6 (<= ~waterLevel~0 0) (or (and .cse3 .cse4) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse7)) (or .cse0 .cse11 .cse1) (or .cse8 .cse1 .cse10)))) [2022-11-03 02:12:43,592 INFO L895 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse9 (not (= ~pumpRunning~0 0))) (.cse10 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= 0 ~systemActive~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7) (or .cse1 .cse6 .cse2) (or .cse1 .cse6 .cse8) (or .cse2 (and .cse9 (= ~waterLevel~0 1) .cse10) .cse7) (or .cse0 (and .cse9 (let ((.cse11 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse11) (= |old(~waterLevel~0)| ~waterLevel~0)) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse11))) .cse10) .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse6 .cse7 .cse8) (or .cse2 .cse3 .cse4 .cse7 .cse5))) [2022-11-03 02:12:43,592 INFO L899 garLoopResultBuilder]: For program point L580-1(line 580) no Hoare annotation was computed. [2022-11-03 02:12:43,593 INFO L902 garLoopResultBuilder]: At program point L494(lines 431 498) the Hoare annotation is: true [2022-11-03 02:12:43,593 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 467) no Hoare annotation was computed. [2022-11-03 02:12:43,593 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 461 467) no Hoare annotation was computed. [2022-11-03 02:12:43,593 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (not (= ~switchedOnBeforeTS~0 0)) .cse0 (= 1 ~systemActive~0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2022-11-03 02:12:43,594 INFO L895 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0))) (let ((.cse6 (<= ~waterLevel~0 1)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~waterLevel~0 1)) (.cse7 (not .cse0)) (.cse5 (= ~pumpRunning~0 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse10 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse2) (and .cse5 .cse2 .cse8 (= 0 ~systemActive~0) .cse9) (and .cse0 .cse6 .cse1 .cse2 .cse9) (and .cse5 .cse1 .cse2 .cse3) (and .cse10 .cse1 .cse7 .cse2) (and .cse5 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse8) (and .cse10 .cse1 .cse2 .cse4)))) [2022-11-03 02:12:43,594 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 02:12:43,594 INFO L895 garLoopResultBuilder]: At program point L491(lines 440 492) the Hoare annotation is: false [2022-11-03 02:12:43,594 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:12:43,594 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2022-11-03 02:12:43,595 INFO L895 garLoopResultBuilder]: At program point L479-2(lines 471 486) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse2 .cse0 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse3 .cse1 (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) (and .cse3 .cse2 .cse0 .cse1))) [2022-11-03 02:12:43,595 INFO L899 garLoopResultBuilder]: For program point L442(lines 441 490) no Hoare annotation was computed. [2022-11-03 02:12:43,595 INFO L895 garLoopResultBuilder]: At program point L471(lines 471 486) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2) (and .cse1 .cse6 .cse2 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse2))) [2022-11-03 02:12:43,595 INFO L895 garLoopResultBuilder]: At program point L913(lines 913 920) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-03 02:12:43,596 INFO L895 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not .cse7)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (and .cse0 (or .cse1 (= ~pumpRunning~0 1)) .cse2 .cse3) (and .cse4 .cse3 .cse5 (= 0 ~systemActive~0) .cse6) (and .cse4 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse2 .cse1 .cse3 .cse5) (and .cse7 .cse2 .cse3 .cse5 .cse6)))) [2022-11-03 02:12:43,596 INFO L902 garLoopResultBuilder]: At program point L913-2(lines 913 920) the Hoare annotation is: true [2022-11-03 02:12:43,596 INFO L895 garLoopResultBuilder]: At program point L488(lines 441 490) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 0))) (let ((.cse1 (not .cse8)) (.cse5 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (and .cse0 (or .cse1 (= ~pumpRunning~0 1)) .cse2 .cse3) (and .cse4 .cse5 .cse3 .cse6 .cse7) (and .cse4 .cse5 .cse2 .cse1 .cse3) (and .cse8 .cse5 .cse2 .cse3 .cse7) (and .cse4 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse0 .cse3 .cse6 .cse7)))) [2022-11-03 02:12:43,596 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2022-11-03 02:12:43,597 INFO L895 garLoopResultBuilder]: At program point L711-1(lines 711 717) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2022-11-03 02:12:43,597 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 457) no Hoare annotation was computed. [2022-11-03 02:12:43,597 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2022-11-03 02:12:43,597 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 746 757) no Hoare annotation was computed. [2022-11-03 02:12:43,598 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 746 757) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 0))) (let ((.cse5 (not (= ~pumpRunning~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse9 (= ~waterLevel~0 1)) (.cse8 (not .cse4)) (.cse1 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 2)) (not (= 0 ~systemActive~0))) (or .cse3 (and .cse4 .cse5) .cse6 .cse2) (or .cse7 .cse3 .cse8 .cse5 .cse9) (or .cse0 .cse4 .cse3 .cse2 (not (<= |old(~waterLevel~0)| 0))) (or .cse0 .cse7 .cse3 .cse9) (or (not (<= |old(~waterLevel~0)| 1)) .cse3 .cse8 .cse1 .cse2) (or .cse0 .cse3 .cse6 .cse2)))) [2022-11-03 02:12:43,598 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0))) (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse4 (not .cse1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or .cse4 (= ~pumpRunning~0 0) .cse0 .cse2 .cse3) (or .cse4 .cse0 (= |processEnvironment__wrappee__methaneQuery_~tmp~4#1| 0) (not (<= ~waterLevel~0 1)) .cse3)))) [2022-11-03 02:12:43,598 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 564) no Hoare annotation was computed. [2022-11-03 02:12:43,598 INFO L895 garLoopResultBuilder]: At program point L552(lines 552 569) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3))) [2022-11-03 02:12:43,599 INFO L895 garLoopResultBuilder]: At program point L612(line 612) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0))) (let ((.cse3 (not .cse1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 2)) .cse2) (or .cse3 .cse0 (not (<= ~waterLevel~0 1)) .cse2) (or .cse3 .cse0 (not (= 2 ~waterLevel~0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2)))) [2022-11-03 02:12:43,599 INFO L895 garLoopResultBuilder]: At program point L612-1(line 612) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0))) (let ((.cse4 (not .cse1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or .cse4 .cse0 (not (<= ~waterLevel~0 1)) .cse3) (or .cse4 .cse0 .cse2 (and (= |processEnvironment__wrappee__methaneQuery_activatePump_#t~ret33#1| ~methaneLevelCritical~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3)))) [2022-11-03 02:12:43,599 INFO L895 garLoopResultBuilder]: At program point L567(line 567) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2))) [2022-11-03 02:12:43,599 INFO L899 garLoopResultBuilder]: For program point L567-1(lines 548 572) no Hoare annotation was computed. [2022-11-03 02:12:43,600 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 548 572) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3))) [2022-11-03 02:12:43,600 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 548 572) no Hoare annotation was computed. [2022-11-03 02:12:43,600 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 643 651) no Hoare annotation was computed. [2022-11-03 02:12:43,600 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 643 651) the Hoare annotation is: true [2022-11-03 02:12:43,600 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 632 642) the Hoare annotation is: true [2022-11-03 02:12:43,601 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 632 642) no Hoare annotation was computed. [2022-11-03 02:12:43,604 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:12:43,606 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:12:43,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:12:43 BoogieIcfgContainer [2022-11-03 02:12:43,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:12:43,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:12:43,647 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:12:43,648 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:12:43,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:10:16" (3/4) ... [2022-11-03 02:12:43,651 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:12:43,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-03 02:12:43,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-03 02:12:43,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 02:12:43,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 02:12:43,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 02:12:43,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 02:12:43,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-03 02:12:43,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-03 02:12:43,658 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-03 02:12:43,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2022-11-03 02:12:43,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-03 02:12:43,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-03 02:12:43,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 02:12:43,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:12:43,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:12:43,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:12:43,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(pumpRunning == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || (((!(aux-isPumpRunning()-aux == 0) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || \old(pumpRunning) == 0) || !(\old(waterLevel) <= 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || methaneLevelCritical == 0) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || pumpRunning == switchedOnBeforeTS)) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || (pumpRunning == aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || !(\old(waterLevel) == 2)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == aux-isPumpRunning()-aux) && pumpRunning == 1))) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || (((pumpRunning == 0 && 1 == systemActive) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || (pumpRunning == 0 && 1 == systemActive))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == aux-isPumpRunning()-aux) && pumpRunning == 1))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) || pumpRunning == 1) [2022-11-03 02:12:43,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((!(pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) <= 2))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && ((((methaneLevelCritical == 0 || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) == 2))) && (((((((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) [2022-11-03 02:12:43,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) || (((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) && pumpRunning == 1)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((((!(pumpRunning == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || (((pumpRunning == 0 && 1 == systemActive) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) == 1)) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0)) && (((((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || pumpRunning == 1)) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((((!(pumpRunning == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((\old(waterLevel) == waterLevel && tmp == 2) && pumpRunning == 1)) || ((((pumpRunning == 0 && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 2) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || tmp == 2) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-11-03 02:12:43,695 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(0 == systemActive))) && (!(1 == systemActive) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) [2022-11-03 02:12:43,695 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((!(pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) <= 2))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && ((((methaneLevelCritical == 0 || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) == 2))) && (((((((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) [2022-11-03 02:12:43,695 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-03 02:12:43,696 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (aux-isMethaneAlarm()-aux == methaneLevelCritical && pumpRunning == switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-03 02:12:43,721 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:12:43,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:12:43,722 INFO L158 Benchmark]: Toolchain (without parser) took 148336.09ms. Allocated memory was 96.5MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 74.3MB in the beginning and 799.2MB in the end (delta: -724.9MB). Peak memory consumption was 883.0MB. Max. memory is 16.1GB. [2022-11-03 02:12:43,722 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:12:43,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.86ms. Allocated memory is still 96.5MB. Free memory was 74.0MB in the beginning and 62.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:12:43,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.72ms. Allocated memory is still 96.5MB. Free memory was 62.3MB in the beginning and 59.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:12:43,723 INFO L158 Benchmark]: Boogie Preprocessor took 57.48ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 57.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:12:43,724 INFO L158 Benchmark]: RCFGBuilder took 816.86ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 57.8MB in the beginning and 83.0MB in the end (delta: -25.2MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-11-03 02:12:43,724 INFO L158 Benchmark]: TraceAbstraction took 146786.17ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 82.4MB in the beginning and 805.5MB in the end (delta: -723.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-03 02:12:43,725 INFO L158 Benchmark]: Witness Printer took 74.51ms. Allocated memory is still 1.7GB. Free memory was 805.5MB in the beginning and 799.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 02:12:43,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.86ms. Allocated memory is still 96.5MB. Free memory was 74.0MB in the beginning and 62.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.72ms. Allocated memory is still 96.5MB. Free memory was 62.3MB in the beginning and 59.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.48ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 57.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 816.86ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 57.8MB in the beginning and 83.0MB in the end (delta: -25.2MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * TraceAbstraction took 146786.17ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 82.4MB in the beginning and 805.5MB in the end (delta: -723.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 74.51ms. Allocated memory is still 1.7GB. Free memory was 805.5MB in the beginning and 799.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 146.7s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 78.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4863 SdHoareTripleChecker+Valid, 9.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4829 mSDsluCounter, 7737 SdHoareTripleChecker+Invalid, 7.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7505 mSDsCounter, 4244 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11314 IncrementalHoareTripleChecker+Invalid, 15558 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4244 mSolverCounterUnsat, 1572 mSDtfsCounter, 11314 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1299 GetRequests, 755 SyntacticMatches, 12 SemanticMatches, 532 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33620 ImplicationChecksByTransitivity, 31.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2967occurred in iteration=9, InterpolantAutomatonStates: 411, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 2603 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 9203 PreInvPairs, 11640 NumberOfFragments, 4666 HoareAnnotationTreeSize, 9203 FomulaSimplifications, 210914 FormulaSimplificationTreeSizeReduction, 18.6s HoareSimplificationTime, 41 FomulaSimplificationsInter, 433571 FormulaSimplificationTreeSizeReductionInter, 59.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 727 NumberOfCodeBlocks, 727 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 957 ConstructedInterpolants, 0 QuantifiedInterpolants, 2541 SizeOfPredicates, 26 NumberOfNonLiveVariables, 1535 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 419/474 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: 913]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: (((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((!(pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) <= 2))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && ((((methaneLevelCritical == 0 || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) == 2))) && (((((((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: ((((((((((((((((!(pumpRunning == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || (((!(aux-isPumpRunning()-aux == 0) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || \old(pumpRunning) == 0) || !(\old(waterLevel) <= 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || methaneLevelCritical == 0) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || pumpRunning == switchedOnBeforeTS)) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || (pumpRunning == aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || !(\old(waterLevel) == 2)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == aux-isPumpRunning()-aux) && pumpRunning == 1))) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || (((pumpRunning == 0 && 1 == systemActive) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || pumpRunning == switchedOnBeforeTS) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || (pumpRunning == 0 && 1 == systemActive))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == aux-isPumpRunning()-aux) && pumpRunning == 1))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) || pumpRunning == 1) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) || (((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) && pumpRunning == 1)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((((!(pumpRunning == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || (((pumpRunning == 0 && 1 == systemActive) && tmp == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) == 1)) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0)) && (((((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || pumpRunning == 1)) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((((!(pumpRunning == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((\old(waterLevel) == waterLevel && tmp == 2) && pumpRunning == 1)) || ((((pumpRunning == 0 && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 2) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || tmp == 2) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(0 == systemActive))) && (!(1 == systemActive) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (aux-isMethaneAlarm()-aux == methaneLevelCritical && pumpRunning == switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && waterLevel <= 1) && splverifierCounter == 0) && 0 == systemActive) && pumpRunning == switchedOnBeforeTS) || ((2 == waterLevel && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel <= 1 && 1 == systemActive) && splverifierCounter == 0) && pumpRunning == switchedOnBeforeTS)) || ((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && pumpRunning == switchedOnBeforeTS)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && waterLevel <= 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == switchedOnBeforeTS)) || (((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: ((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((!(pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || methaneLevelCritical == 0) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) <= 2))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2))) && ((((methaneLevelCritical == 0 || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel <= 2) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || !(\old(waterLevel) == 2))) && (((((((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) || (((((!(pumpRunning == 0) && 1 == systemActive) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((((((((2 == waterLevel && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && 1 == systemActive) && splverifierCounter == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && splverifierCounter == 0) && 0 == systemActive) && pumpRunning == switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && pumpRunning == switchedOnBeforeTS)) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1)) || (((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && pumpRunning == switchedOnBeforeTS) RESULT: Ultimate proved your program to be correct! [2022-11-03 02:12:43,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b840c4d0-00d9-4941-a728-da2a76ff9d69/bin/utaipan-7li7fVZpFI/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