./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/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_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0 --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-e04fb08 [2022-11-16 16:12:16,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:12:16,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:12:16,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:12:16,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:12:16,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:12:16,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:12:16,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:12:16,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:12:16,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:12:16,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:12:16,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:12:16,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:12:16,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:12:16,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:12:16,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:12:16,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:12:16,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:12:16,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:12:16,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:12:16,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:12:16,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:12:16,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:12:16,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:12:16,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:12:16,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:12:16,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:12:16,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:12:16,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:12:16,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:12:16,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:12:16,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:12:16,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:12:16,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:12:16,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:12:16,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:12:16,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:12:16,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:12:16,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:12:16,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:12:16,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:12:16,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 16:12:16,986 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:12:16,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:12:16,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:12:16,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:12:16,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:12:16,988 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:12:16,989 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:12:16,989 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:12:16,989 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:12:16,989 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:12:16,990 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:12:16,991 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:12:16,991 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:12:16,991 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:12:16,991 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:12:16,991 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:12:16,992 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:12:16,992 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:12:16,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:12:16,993 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:12:16,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:12:16,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:12:16,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:12:16,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:12:16,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:12:16,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:12:16,994 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:12:16,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:12:16,995 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:12:16,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:12:16,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:12:16,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:12:16,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:12:16,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:12:16,996 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:12:16,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:12:16,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:12:16,997 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:12:16,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:12:16,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:12:16,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:12:16,998 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_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9f4a5eb48d3a052332271e6f513d6efe176b9f027fc1b42847acbd4831cf9 [2022-11-16 16:12:17,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:12:17,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:12:17,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:12:17,327 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:12:17,328 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:12:17,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2022-11-16 16:12:17,407 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/data/a987ef293/070c9c6e340049839751a5a182cfc055/FLAG1f7b8dcc0 [2022-11-16 16:12:17,997 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:12:17,998 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2022-11-16 16:12:18,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/data/a987ef293/070c9c6e340049839751a5a182cfc055/FLAG1f7b8dcc0 [2022-11-16 16:12:18,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/data/a987ef293/070c9c6e340049839751a5a182cfc055 [2022-11-16 16:12:18,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:12:18,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:12:18,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:12:18,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:12:18,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:12:18,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:12:18" (1/1) ... [2022-11-16 16:12:18,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760559dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18, skipping insertion in model container [2022-11-16 16:12:18,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:12:18" (1/1) ... [2022-11-16 16:12:18,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:12:18,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:12:18,714 WARN L229 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_013302a0-bf16-4989-8563-f2712b2e9ceb/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2022-11-16 16:12:18,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:12:18,772 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:12:18,818 WARN L229 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_013302a0-bf16-4989-8563-f2712b2e9ceb/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c[11292,11305] [2022-11-16 16:12:18,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:12:18,870 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:12:18,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18 WrapperNode [2022-11-16 16:12:18,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:12:18,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:12:18,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:12:18,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:12:18,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18" (1/1) ... [2022-11-16 16:12:18,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18" (1/1) ... [2022-11-16 16:12:18,940 INFO L138 Inliner]: procedures = 58, calls = 161, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 270 [2022-11-16 16:12:18,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:12:18,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:12:18,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:12:18,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:12:18,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18" (1/1) ... [2022-11-16 16:12:18,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18" (1/1) ... [2022-11-16 16:12:18,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18" (1/1) ... [2022-11-16 16:12:18,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18" (1/1) ... [2022-11-16 16:12:18,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18" (1/1) ... [2022-11-16 16:12:18,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18" (1/1) ... [2022-11-16 16:12:19,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18" (1/1) ... [2022-11-16 16:12:19,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18" (1/1) ... [2022-11-16 16:12:19,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:12:19,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:12:19,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:12:19,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:12:19,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18" (1/1) ... [2022-11-16 16:12:19,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:12:19,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:12:19,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:12:19,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:12:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:12:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 16:12:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 16:12:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 16:12:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 16:12:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 16:12:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 16:12:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 16:12:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 16:12:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 16:12:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 16:12:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-16 16:12:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-16 16:12:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-16 16:12:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-16 16:12:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 16:12:19,123 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 16:12:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 16:12:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 16:12:19,123 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 16:12:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:12:19,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:12:19,208 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:12:19,210 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:12:19,773 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:12:19,910 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:12:19,910 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 16:12:19,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:12:19 BoogieIcfgContainer [2022-11-16 16:12:19,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:12:19,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:12:19,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:12:19,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:12:19,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:12:18" (1/3) ... [2022-11-16 16:12:19,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4839a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:12:19, skipping insertion in model container [2022-11-16 16:12:19,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:12:18" (2/3) ... [2022-11-16 16:12:19,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4839a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:12:19, skipping insertion in model container [2022-11-16 16:12:19,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:12:19" (3/3) ... [2022-11-16 16:12:19,925 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2022-11-16 16:12:19,944 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:12:19,944 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 16:12:20,029 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:12:20,040 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;@3a23f36e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:12:20,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 16:12:20,047 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) [2022-11-16 16:12:20,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 16:12:20,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:12:20,060 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] [2022-11-16 16:12:20,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:12:20,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:12:20,068 INFO L85 PathProgramCache]: Analyzing trace with hash 290419434, now seen corresponding path program 1 times [2022-11-16 16:12:20,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:12:20,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277308401] [2022-11-16 16:12:20,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:12:20,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:12:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:12:20,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:12:20,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:12:20,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277308401] [2022-11-16 16:12:20,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277308401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:12:20,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:12:20,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:12:20,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008249299] [2022-11-16 16:12:20,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:12:20,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 16:12:20,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:12:20,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 16:12:20,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 16:12:20,453 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) [2022-11-16 16:12:20,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:12:20,527 INFO L93 Difference]: Finished difference Result 142 states and 193 transitions. [2022-11-16 16:12:20,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 16:12:20,530 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 [2022-11-16 16:12:20,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:12:20,539 INFO L225 Difference]: With dead ends: 142 [2022-11-16 16:12:20,539 INFO L226 Difference]: Without dead ends: 67 [2022-11-16 16:12:20,543 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 [2022-11-16 16:12:20,548 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 16:12:20,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 16:12:20,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-16 16:12:20,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-16 16:12:20,593 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) [2022-11-16 16:12:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 87 transitions. [2022-11-16 16:12:20,598 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 87 transitions. Word has length 21 [2022-11-16 16:12:20,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:12:20,598 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 87 transitions. [2022-11-16 16:12:20,599 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) [2022-11-16 16:12:20,599 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2022-11-16 16:12:20,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 16:12:20,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:12:20,602 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] [2022-11-16 16:12:20,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 16:12:20,603 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:12:20,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:12:20,603 INFO L85 PathProgramCache]: Analyzing trace with hash -817408466, now seen corresponding path program 1 times [2022-11-16 16:12:20,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:12:20,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716782486] [2022-11-16 16:12:20,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:12:20,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:12:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:12:20,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:12:20,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:12:20,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716782486] [2022-11-16 16:12:20,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716782486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:12:20,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:12:20,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:12:20,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794670411] [2022-11-16 16:12:20,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:12:20,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:12:20,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:12:20,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:12:20,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:12:20,736 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) [2022-11-16 16:12:20,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:12:20,786 INFO L93 Difference]: Finished difference Result 106 states and 136 transitions. [2022-11-16 16:12:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:12:20,787 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 [2022-11-16 16:12:20,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:12:20,788 INFO L225 Difference]: With dead ends: 106 [2022-11-16 16:12:20,788 INFO L226 Difference]: Without dead ends: 59 [2022-11-16 16:12:20,789 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 [2022-11-16 16:12:20,791 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 14 mSDsluCounter, 45 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 [2022-11-16 16:12:20,791 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] [2022-11-16 16:12:20,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-16 16:12:20,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-16 16:12:20,800 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) [2022-11-16 16:12:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2022-11-16 16:12:20,802 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 22 [2022-11-16 16:12:20,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:12:20,803 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2022-11-16 16:12:20,803 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) [2022-11-16 16:12:20,803 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-11-16 16:12:20,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 16:12:20,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:12:20,805 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] [2022-11-16 16:12:20,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 16:12:20,805 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:12:20,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:12:20,806 INFO L85 PathProgramCache]: Analyzing trace with hash 456387070, now seen corresponding path program 1 times [2022-11-16 16:12:20,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:12:20,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249372955] [2022-11-16 16:12:20,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:12:20,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:12:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:12:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:12:20,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:12:20,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249372955] [2022-11-16 16:12:20,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249372955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:12:20,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:12:20,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:12:20,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692046945] [2022-11-16 16:12:20,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:12:20,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:12:20,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:12:20,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:12:20,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:12:20,914 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) [2022-11-16 16:12:20,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:12:20,989 INFO L93 Difference]: Finished difference Result 173 states and 225 transitions. [2022-11-16 16:12:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:12:20,990 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 [2022-11-16 16:12:20,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:12:20,992 INFO L225 Difference]: With dead ends: 173 [2022-11-16 16:12:20,996 INFO L226 Difference]: Without dead ends: 116 [2022-11-16 16:12:20,997 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 [2022-11-16 16:12:20,998 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 68 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 16:12:20,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 141 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 16:12:21,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-16 16:12:21,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2022-11-16 16:12:21,027 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) [2022-11-16 16:12:21,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 147 transitions. [2022-11-16 16:12:21,034 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 147 transitions. Word has length 25 [2022-11-16 16:12:21,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:12:21,035 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 147 transitions. [2022-11-16 16:12:21,035 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) [2022-11-16 16:12:21,035 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 147 transitions. [2022-11-16 16:12:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 16:12:21,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:12:21,039 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] [2022-11-16 16:12:21,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 16:12:21,040 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:12:21,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:12:21,042 INFO L85 PathProgramCache]: Analyzing trace with hash -209325405, now seen corresponding path program 1 times [2022-11-16 16:12:21,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:12:21,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236602044] [2022-11-16 16:12:21,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:12:21,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:12:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:12:21,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 16:12:21,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:12:21,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236602044] [2022-11-16 16:12:21,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236602044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:12:21,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:12:21,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 16:12:21,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885976666] [2022-11-16 16:12:21,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:12:21,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 16:12:21,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:12:21,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 16:12:21,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 16:12:21,245 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) [2022-11-16 16:12:21,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:12:21,493 INFO L93 Difference]: Finished difference Result 310 states and 411 transitions. [2022-11-16 16:12:21,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 16:12:21,494 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 [2022-11-16 16:12:21,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:12:21,501 INFO L225 Difference]: With dead ends: 310 [2022-11-16 16:12:21,501 INFO L226 Difference]: Without dead ends: 199 [2022-11-16 16:12:21,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 16:12:21,512 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 39 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:12:21,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 295 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 16:12:21,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-11-16 16:12:21,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 190. [2022-11-16 16:12:21,562 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) [2022-11-16 16:12:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 239 transitions. [2022-11-16 16:12:21,565 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 239 transitions. Word has length 28 [2022-11-16 16:12:21,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:12:21,566 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 239 transitions. [2022-11-16 16:12:21,566 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) [2022-11-16 16:12:21,566 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 239 transitions. [2022-11-16 16:12:21,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 16:12:21,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:12:21,574 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] [2022-11-16 16:12:21,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 16:12:21,575 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:12:21,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:12:21,576 INFO L85 PathProgramCache]: Analyzing trace with hash 894536872, now seen corresponding path program 1 times [2022-11-16 16:12:21,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:12:21,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188690916] [2022-11-16 16:12:21,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:12:21,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:12:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:12:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:12:22,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:12:22,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188690916] [2022-11-16 16:12:22,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188690916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:12:22,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:12:22,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 16:12:22,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647260347] [2022-11-16 16:12:22,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:12:22,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 16:12:22,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:12:22,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 16:12:22,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-16 16:12:22,057 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) [2022-11-16 16:12:22,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:12:22,360 INFO L93 Difference]: Finished difference Result 560 states and 712 transitions. [2022-11-16 16:12:22,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 16:12:22,361 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 [2022-11-16 16:12:22,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:12:22,364 INFO L225 Difference]: With dead ends: 560 [2022-11-16 16:12:22,364 INFO L226 Difference]: Without dead ends: 372 [2022-11-16 16:12:22,365 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 [2022-11-16 16:12:22,366 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 209 mSDsluCounter, 237 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:12:22,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 346 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 16:12:22,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-16 16:12:22,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 356. [2022-11-16 16:12:22,409 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) [2022-11-16 16:12:22,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 451 transitions. [2022-11-16 16:12:22,412 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 451 transitions. Word has length 37 [2022-11-16 16:12:22,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:12:22,413 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 451 transitions. [2022-11-16 16:12:22,413 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) [2022-11-16 16:12:22,413 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 451 transitions. [2022-11-16 16:12:22,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 16:12:22,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:12:22,415 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] [2022-11-16 16:12:22,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 16:12:22,416 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:12:22,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:12:22,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1370706086, now seen corresponding path program 1 times [2022-11-16 16:12:22,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:12:22,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55221079] [2022-11-16 16:12:22,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:12:22,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:12:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:12:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:12:22,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:12:22,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55221079] [2022-11-16 16:12:22,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55221079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:12:22,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:12:22,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 16:12:22,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241489899] [2022-11-16 16:12:22,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:12:22,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 16:12:22,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:12:22,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 16:12:22,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 16:12:22,804 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) [2022-11-16 16:12:23,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:12:23,418 INFO L93 Difference]: Finished difference Result 886 states and 1159 transitions. [2022-11-16 16:12:23,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 16:12:23,419 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 [2022-11-16 16:12:23,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:12:23,428 INFO L225 Difference]: With dead ends: 886 [2022-11-16 16:12:23,428 INFO L226 Difference]: Without dead ends: 634 [2022-11-16 16:12:23,429 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 [2022-11-16 16:12:23,432 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 252 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 16:12:23,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 273 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 16:12:23,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2022-11-16 16:12:23,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 536. [2022-11-16 16:12:23,527 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) [2022-11-16 16:12:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 682 transitions. [2022-11-16 16:12:23,532 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 682 transitions. Word has length 40 [2022-11-16 16:12:23,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:12:23,534 INFO L495 AbstractCegarLoop]: Abstraction has 536 states and 682 transitions. [2022-11-16 16:12:23,534 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) [2022-11-16 16:12:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 682 transitions. [2022-11-16 16:12:23,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-16 16:12:23,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:12:23,539 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] [2022-11-16 16:12:23,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 16:12:23,540 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:12:23,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:12:23,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1785497398, now seen corresponding path program 1 times [2022-11-16 16:12:23,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:12:23,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416653025] [2022-11-16 16:12:23,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:12:23,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:12:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:12:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 16:12:23,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:12:23,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416653025] [2022-11-16 16:12:23,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416653025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:12:23,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:12:23,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 16:12:23,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142070306] [2022-11-16 16:12:23,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:12:23,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:12:23,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:12:23,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:12:23,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:12:23,630 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) [2022-11-16 16:12:23,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:12:23,797 INFO L93 Difference]: Finished difference Result 898 states and 1141 transitions. [2022-11-16 16:12:23,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 16:12:23,798 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 [2022-11-16 16:12:23,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:12:23,800 INFO L225 Difference]: With dead ends: 898 [2022-11-16 16:12:23,800 INFO L226 Difference]: Without dead ends: 364 [2022-11-16 16:12:23,802 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 [2022-11-16 16:12:23,803 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 99 mSDsluCounter, 49 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 [2022-11-16 16:12:23,803 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] [2022-11-16 16:12:23,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2022-11-16 16:12:23,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2022-11-16 16:12:23,857 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) [2022-11-16 16:12:23,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 445 transitions. [2022-11-16 16:12:23,862 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 445 transitions. Word has length 62 [2022-11-16 16:12:23,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:12:23,863 INFO L495 AbstractCegarLoop]: Abstraction has 358 states and 445 transitions. [2022-11-16 16:12:23,863 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) [2022-11-16 16:12:23,863 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 445 transitions. [2022-11-16 16:12:23,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-16 16:12:23,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:12:23,867 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] [2022-11-16 16:12:23,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 16:12:23,867 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:12:23,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:12:23,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1401071438, now seen corresponding path program 1 times [2022-11-16 16:12:23,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:12:23,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719665636] [2022-11-16 16:12:23,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:12:23,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:12:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:12:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-16 16:12:24,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:12:24,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719665636] [2022-11-16 16:12:24,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719665636] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 16:12:24,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136598456] [2022-11-16 16:12:24,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:12:24,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:12:24,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:12:24,160 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:12:24,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 16:12:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:12:24,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 16:12:24,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:12:24,500 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:12:24,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:12:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-16 16:12:24,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136598456] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:12:24,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [510570470] [2022-11-16 16:12:24,783 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-16 16:12:24,783 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:12:24,787 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:12:24,794 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:12:24,794 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:12:30,981 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 50 for LOIs [2022-11-16 16:12:30,992 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 31 for LOIs [2022-11-16 16:12:31,406 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 43 for LOIs [2022-11-16 16:12:31,413 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 26 for LOIs [2022-11-16 16:12:31,543 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 28 for LOIs [2022-11-16 16:12:31,546 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:12:38,360 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 [2022-11-16 16:12:38,361 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:12:38,361 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 16:12:38,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 16 [2022-11-16 16:12:38,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700308532] [2022-11-16 16:12:38,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 16:12:38,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 16:12:38,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:12:38,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 16:12:38,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=1875, Unknown=0, NotChecked=0, Total=2162 [2022-11-16 16:12:38,364 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) [2022-11-16 16:12:45,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:12:45,345 INFO L93 Difference]: Finished difference Result 4476 states and 5812 transitions. [2022-11-16 16:12:45,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-11-16 16:12:45,346 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 [2022-11-16 16:12:45,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:12:45,366 INFO L225 Difference]: With dead ends: 4476 [2022-11-16 16:12:45,366 INFO L226 Difference]: Without dead ends: 3152 [2022-11-16 16:12:45,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 215 SyntacticMatches, 1 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11607 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=2480, Invalid=26250, Unknown=0, NotChecked=0, Total=28730 [2022-11-16 16:12:45,380 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 1479 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 1576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 3247 SdHoareTripleChecker+Invalid, 5721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1576 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-16 16:12:45,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1489 Valid, 3247 Invalid, 5721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1576 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-16 16:12:45,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-11-16 16:12:45,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 1898. [2022-11-16 16:12:45,582 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) [2022-11-16 16:12:45,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1898 states and 2323 transitions. [2022-11-16 16:12:45,598 INFO L78 Accepts]: Start accepts. Automaton has 1898 states and 2323 transitions. Word has length 70 [2022-11-16 16:12:45,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:12:45,599 INFO L495 AbstractCegarLoop]: Abstraction has 1898 states and 2323 transitions. [2022-11-16 16:12:45,599 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) [2022-11-16 16:12:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2323 transitions. [2022-11-16 16:12:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-16 16:12:45,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:12:45,605 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] [2022-11-16 16:12:45,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 16:12:45,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:12:45,810 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:12:45,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:12:45,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1642701670, now seen corresponding path program 1 times [2022-11-16 16:12:45,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:12:45,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766935188] [2022-11-16 16:12:45,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:12:45,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:12:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:12:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-16 16:12:46,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:12:46,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766935188] [2022-11-16 16:12:46,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766935188] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 16:12:46,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199942332] [2022-11-16 16:12:46,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:12:46,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:12:46,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:12:46,187 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:12:46,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 16:12:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:12:46,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 16:12:46,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:12:46,392 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-16 16:12:46,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:12:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 16:12:46,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199942332] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:12:46,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1483692683] [2022-11-16 16:12:46,537 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2022-11-16 16:12:46,537 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:12:46,538 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:12:46,538 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:12:46,538 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:12:56,568 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 50 for LOIs [2022-11-16 16:12:56,577 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 34 for LOIs [2022-11-16 16:12:57,049 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 53 for LOIs [2022-11-16 16:12:57,061 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 34 for LOIs [2022-11-16 16:12:57,239 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 60 for LOIs [2022-11-16 16:12:57,254 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 32 for LOIs [2022-11-16 16:12:57,256 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:13:05,594 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 [2022-11-16 16:13:05,594 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:13:05,594 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 16:13:05,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 18 [2022-11-16 16:13:05,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894309847] [2022-11-16 16:13:05,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 16:13:05,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-16 16:13:05,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:05,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-16 16:13:05,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=2484, Unknown=0, NotChecked=0, Total=2862 [2022-11-16 16:13:05,597 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) [2022-11-16 16:13:10,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:10,771 INFO L93 Difference]: Finished difference Result 5152 states and 6569 transitions. [2022-11-16 16:13:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-11-16 16:13:10,772 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 [2022-11-16 16:13:10,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:10,798 INFO L225 Difference]: With dead ends: 5152 [2022-11-16 16:13:10,798 INFO L226 Difference]: Without dead ends: 4184 [2022-11-16 16:13:10,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 202 SyntacticMatches, 5 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10844 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=2243, Invalid=24817, Unknown=0, NotChecked=0, Total=27060 [2022-11-16 16:13:10,812 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 957 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 2874 mSolverCounterSat, 805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 1939 SdHoareTripleChecker+Invalid, 3679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 805 IncrementalHoareTripleChecker+Valid, 2874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:10,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [968 Valid, 1939 Invalid, 3679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [805 Valid, 2874 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-16 16:13:10,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4184 states. [2022-11-16 16:13:11,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4184 to 2967. [2022-11-16 16:13:11,293 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) [2022-11-16 16:13:11,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 3676 transitions. [2022-11-16 16:13:11,311 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 3676 transitions. Word has length 73 [2022-11-16 16:13:11,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:11,312 INFO L495 AbstractCegarLoop]: Abstraction has 2967 states and 3676 transitions. [2022-11-16 16:13:11,312 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) [2022-11-16 16:13:11,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 3676 transitions. [2022-11-16 16:13:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-16 16:13:11,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:13:11,320 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] [2022-11-16 16:13:11,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:11,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:11,526 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:13:11,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:13:11,527 INFO L85 PathProgramCache]: Analyzing trace with hash 977576474, now seen corresponding path program 1 times [2022-11-16 16:13:11,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:13:11,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509429523] [2022-11-16 16:13:11,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:11,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:13:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:13:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-16 16:13:11,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:13:11,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509429523] [2022-11-16 16:13:11,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509429523] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 16:13:11,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680922796] [2022-11-16 16:13:11,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:13:11,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:13:11,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:13:11,697 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:13:11,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 16:13:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:13:11,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-16 16:13:11,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:13:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 43 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 16:13:12,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:13:12,949 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 54 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-16 16:13:12,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680922796] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:13:12,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [164445601] [2022-11-16 16:13:12,956 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2022-11-16 16:13:12,956 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 16:13:12,956 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 16:13:12,957 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 16:13:12,957 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 16:13:17,494 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 43 for LOIs [2022-11-16 16:13:17,501 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2022-11-16 16:13:17,825 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 42 for LOIs [2022-11-16 16:13:17,831 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 29 for LOIs [2022-11-16 16:13:17,932 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 58 for LOIs [2022-11-16 16:13:17,946 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 16:13:25,071 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '31574#(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 [2022-11-16 16:13:25,072 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 16:13:25,072 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 16:13:25,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 11] total 26 [2022-11-16 16:13:25,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294044891] [2022-11-16 16:13:25,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 16:13:25,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-16 16:13:25,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:13:25,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-16 16:13:25,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=400, Invalid=3022, Unknown=0, NotChecked=0, Total=3422 [2022-11-16 16:13:25,074 INFO L87 Difference]: Start difference. First operand 2967 states and 3676 transitions. Second operand has 26 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 14 states have call successors, (37), 6 states have call predecessors, (37), 11 states have return successors, (35), 15 states have call predecessors, (35), 13 states have call successors, (35) [2022-11-16 16:13:34,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:13:34,161 INFO L93 Difference]: Finished difference Result 10711 states and 13764 transitions. [2022-11-16 16:13:34,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-11-16 16:13:34,162 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 14 states have call successors, (37), 6 states have call predecessors, (37), 11 states have return successors, (35), 15 states have call predecessors, (35), 13 states have call successors, (35) Word has length 103 [2022-11-16 16:13:34,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:13:34,167 INFO L225 Difference]: With dead ends: 10711 [2022-11-16 16:13:34,167 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 16:13:34,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 332 SyntacticMatches, 6 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13716 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=3452, Invalid=32080, Unknown=0, NotChecked=0, Total=35532 [2022-11-16 16:13:34,201 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 2039 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 4273 mSolverCounterSat, 1729 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2039 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 6002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1729 IncrementalHoareTripleChecker+Valid, 4273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-16 16:13:34,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2039 Valid, 1566 Invalid, 6002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1729 Valid, 4273 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-16 16:13:34,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 16:13:34,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 16:13:34,203 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) [2022-11-16 16:13:34,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 16:13:34,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2022-11-16 16:13:34,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:13:34,205 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 16:13:34,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 14 states have call successors, (37), 6 states have call predecessors, (37), 11 states have return successors, (35), 15 states have call predecessors, (35), 13 states have call successors, (35) [2022-11-16 16:13:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 16:13:34,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 16:13:34,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 16:13:34,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 16:13:34,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 16:13:34,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 16:13:49,965 WARN L233 SmtUtils]: Spent 10.38s on a formula simplification. DAG size of input: 428 DAG size of output: 421 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-16 16:14:17,872 WARN L233 SmtUtils]: Spent 16.41s on a formula simplification. DAG size of input: 662 DAG size of output: 397 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-16 16:14:24,770 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 572 DAG size of output: 76 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-16 16:14:37,002 WARN L233 SmtUtils]: Spent 6.36s on a formula simplification. DAG size of input: 751 DAG size of output: 66 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-16 16:14:52,303 WARN L233 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 664 DAG size of output: 71 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-16 16:15:09,365 WARN L233 SmtUtils]: Spent 8.29s on a formula simplification. DAG size of input: 929 DAG size of output: 75 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-16 16:15:23,664 WARN L233 SmtUtils]: Spent 7.52s on a formula simplification. DAG size of input: 704 DAG size of output: 82 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-16 16:15:35,547 WARN L233 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 751 DAG size of output: 66 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-16 16:15:41,947 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 624 631) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (= ~pumpRunning~0 1)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse5 (not (<= ~waterLevel~0 2))) (.cse7 (= ~switchedOnBeforeTS~0 0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (<= 2 ~waterLevel~0)) .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse3 .cse4 .cse5 .cse7 .cse6) (or .cse0 .cse1 .cse2 .cse5 .cse7))) [2022-11-16 16:15:41,948 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed. [2022-11-16 16:15:41,948 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 540 546) no Hoare annotation was computed. [2022-11-16 16:15:41,948 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 540 546) the Hoare annotation is: true [2022-11-16 16:15:41,952 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)))) (.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)) (.cse3 (not (<= ~waterLevel~0 2)))) (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 .cse3)))) [2022-11-16 16:15:41,952 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 758 769) no Hoare annotation was computed. [2022-11-16 16:15:41,952 INFO L902 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: true [2022-11-16 16:15:41,952 INFO L899 garLoopResultBuilder]: For program point L833-1(line 833) no Hoare annotation was computed. [2022-11-16 16:15:41,953 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 827 856) no Hoare annotation was computed. [2022-11-16 16:15:41,953 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 827 856) the Hoare annotation is: true [2022-11-16 16:15:41,953 INFO L902 garLoopResultBuilder]: At program point L852(lines 827 856) the Hoare annotation is: true [2022-11-16 16:15:41,953 INFO L899 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2022-11-16 16:15:41,953 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2022-11-16 16:15:41,953 INFO L902 garLoopResultBuilder]: At program point L841-1(lines 841 845) the Hoare annotation is: true [2022-11-16 16:15:41,954 INFO L902 garLoopResultBuilder]: At program point L837-2(lines 837 851) the Hoare annotation is: true [2022-11-16 16:15:41,954 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))))) [2022-11-16 16:15:41,954 INFO L899 garLoopResultBuilder]: For program point L956-1(line 956) no Hoare annotation was computed. [2022-11-16 16:15:41,955 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not .cse3)) (.cse7 (not (= 0 ~systemActive~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 (not (<= |old(~waterLevel~0)| 2))) (or .cse0 .cse2 .cse3 .cse6) (or .cse1 .cse4 .cse7) (or .cse2 .cse5 .cse6) (or .cse4 .cse6 .cse7) (or .cse2 (and (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 1))) .cse3 .cse6)))) [2022-11-16 16:15:41,955 INFO L895 garLoopResultBuilder]: At program point L593-1(lines 574 598) the Hoare annotation is: (let ((.cse24 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse23 (= ~pumpRunning~0 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse3 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not .cse3)) (.cse4 (not .cse10)) (.cse5 (not .cse23)) (.cse6 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse7 (let ((.cse27 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse27) .cse24) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse27)))) (.cse20 (= ~waterLevel~0 1)) (.cse14 (= ~pumpRunning~0 1)) (.cse26 (= 2 ~waterLevel~0)) (.cse25 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (= |old(~pumpRunning~0)| 1))) (.cse17 (and .cse23 .cse26 .cse10 .cse25 .cse24 .cse8)) (.cse19 (and .cse26 .cse10 .cse25 .cse24 .cse14)) (.cse22 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse16 (and .cse5 .cse25 .cse6 .cse7 .cse20 .cse8)) (.cse15 (and (not (= ~switchedOnBeforeTS~0 0)) .cse23 .cse25 .cse4 (<= ~waterLevel~0 2) .cse6 .cse7)) (.cse18 (not (= |old(~waterLevel~0)| 2))) (.cse21 (and (or .cse1 .cse9) (not (<= |old(~waterLevel~0)| 0)))) (.cse2 (not .cse25)) (.cse11 (and .cse23 .cse24 .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8)) (or .cse9 .cse10 .cse2 .cse11 .cse12) (or .cse0 .cse1 .cse2 .cse4 .cse13 .cse14) (or .cse0 .cse10 .cse2 .cse3 .cse15 .cse12) (or .cse16 .cse2 .cse4 .cse17 .cse18 .cse19) (or (and .cse20 .cse14) .cse2 .cse4 .cse13 .cse18) (or .cse9 .cse2 .cse4 .cse17 .cse18 .cse19) (or .cse9 .cse21 .cse22) (or .cse9 .cse18 .cse22) (or .cse0 .cse16 .cse2 .cse3 .cse4 .cse18) (or .cse10 .cse2 .cse3 .cse15 .cse18) (or .cse9 .cse21 .cse2 .cse11))))) [2022-11-16 16:15:41,955 INFO L895 garLoopResultBuilder]: At program point L527-1(lines 527 533) the Hoare annotation is: (let ((.cse23 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse21 (= ~pumpRunning~0 0)) (.cse10 (= ~methaneLevelCritical~0 0))) (let ((.cse4 (not .cse10)) (.cse5 (not .cse21)) (.cse6 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse7 (let ((.cse25 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse25) .cse23) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse25)))) (.cse20 (= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse14 (= ~pumpRunning~0 1)) (.cse24 (= 2 ~waterLevel~0)) (.cse22 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse13 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse17 (and .cse21 .cse24 .cse10 .cse22 .cse23 .cse8)) (.cse19 (and .cse24 .cse10 .cse22 .cse23 .cse14)) (.cse9 (not .cse3)) (.cse11 (and .cse21 .cse23 .cse8)) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse16 (and .cse5 .cse22 .cse6 .cse7 .cse20 .cse8)) (.cse2 (not .cse22)) (.cse15 (and (not (= ~switchedOnBeforeTS~0 0)) .cse21 .cse22 .cse4 (<= ~waterLevel~0 2) .cse6 .cse7)) (.cse18 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8)) (or .cse9 .cse10 .cse2 .cse11 .cse12) (or .cse0 .cse1 .cse2 .cse4 .cse13 .cse14) (or .cse0 .cse10 .cse2 .cse3 .cse15 .cse12) (or .cse16 .cse2 .cse4 .cse17 .cse18 .cse19) (or (and .cse20 .cse14) .cse2 .cse4 .cse13 .cse18) (or .cse1 .cse9 .cse2 .cse11) (or .cse9 .cse2 .cse4 .cse17 .cse18 .cse19) (or .cse9 .cse11 .cse12 (not (= 0 ~systemActive~0))) (or .cse0 .cse16 .cse2 .cse3 .cse4 .cse18) (or .cse10 .cse2 .cse3 .cse15 .cse18))))) [2022-11-16 16:15:41,956 INFO L895 garLoopResultBuilder]: At program point L420(line 420) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse1 .cse4) (or .cse2 .cse4 .cse3) (or .cse2 .cse1 (not (<= |old(~waterLevel~0)| 2))))) [2022-11-16 16:15:41,956 INFO L895 garLoopResultBuilder]: At program point L941(line 941) the Hoare annotation is: (let ((.cse13 (= |old(~pumpRunning~0)| 0))) (let ((.cse18 (= ~methaneLevelCritical~0 0)) (.cse17 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not .cse13)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse10 (and (not (= ~switchedOnBeforeTS~0 0)) .cse1)) (.cse11 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0) (not (<= |old(~waterLevel~0)| 0)))) (.cse3 (not (= 0 ~systemActive~0))) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not .cse1)) (.cse14 (and .cse18 .cse17)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 1 ~systemActive~0))) (.cse15 (not .cse18)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse16 (= ~pumpRunning~0 1))) (and (or .cse0 (and .cse1 (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse8 .cse9 .cse3) (or .cse0 .cse4 .cse5 .cse10 .cse11) (or .cse7 .cse5 (and .cse12 .cse6 .cse9) .cse13 .cse8) (or .cse0 .cse5 .cse2 .cse10 .cse11) (or .cse7 .cse0 (and .cse1 .cse9) .cse5 .cse8) (or .cse0 .cse4 (and .cse1 .cse6) .cse3) (or .cse7 .cse5 .cse14 .cse15 .cse8 .cse16) (or .cse12 .cse5 .cse14 .cse13 .cse2) (or .cse5 .cse2 .cse6) (or .cse5 .cse15 .cse17 .cse2 .cse16))))) [2022-11-16 16:15:41,957 INFO L895 garLoopResultBuilder]: At program point L941-1(line 941) the Hoare annotation is: (let ((.cse14 (= |old(~pumpRunning~0)| 0))) (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse16 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (= ~pumpRunning~0 0)) (.cse0 (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__2_#t~ret50#1|)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not .cse14))) (let ((.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 ~systemActive~0))) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (and (or (not (<= |old(~waterLevel~0)| 1)) .cse4) (not (<= |old(~waterLevel~0)| 0)))) (.cse12 (and .cse9 .cse0 .cse18)) (.cse13 (and .cse6 .cse16)) (.cse15 (not .cse6)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse17 (= ~pumpRunning~0 1)) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse11 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (= 2 ~waterLevel~0) .cse0) .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse4 .cse9 .cse1 .cse2) (or .cse3 .cse10 .cse1 .cse7) (or .cse3 .cse4 .cse6 .cse2 .cse7 .cse8) (or .cse4 .cse11 .cse12 .cse8) (or .cse3 .cse1 .cse11 .cse7 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 .cse10 .cse7 .cse8) (or (not .cse9) .cse1 .cse13 .cse14 .cse2) (or .cse3 .cse1 .cse14 (and (not (= |timeShift___utac_acc__Specification5_spec__2_#t~ret50#1| 0)) .cse0 .cse7) .cse11) (or .cse4 .cse5 .cse1 .cse12) (or .cse3 .cse1 .cse15 .cse16 .cse11 .cse17) (or .cse1 .cse13 .cse15 .cse2 .cse17) (or .cse3 .cse1 .cse18 .cse11))))) [2022-11-16 16:15:41,957 INFO L899 garLoopResultBuilder]: For program point L520-2(lines 516 538) no Hoare annotation was computed. [2022-11-16 16:15:41,957 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2022-11-16 16:15:41,957 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2022-11-16 16:15:41,957 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 968) no Hoare annotation was computed. [2022-11-16 16:15:41,958 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 971) no Hoare annotation was computed. [2022-11-16 16:15:41,958 INFO L895 garLoopResultBuilder]: At program point L954-1(lines 946 974) the Hoare annotation is: (let ((.cse27 (< 0 |old(~waterLevel~0)|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse12 (= ~methaneLevelCritical~0 0)) (.cse8 (= 1 ~systemActive~0)) (.cse13 (= |old(~pumpRunning~0)| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse10 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse17 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse23 (and (not .cse27) .cse3)) (.cse24 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse27))) (let ((.cse6 (not (= ~switchedOnBeforeTS~0 0))) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse11 (or .cse23 .cse24)) (.cse25 (and .cse7 .cse10 .cse3 .cse17)) (.cse26 (not (= 0 ~systemActive~0))) (.cse20 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not .cse13)) (.cse1 (not .cse8)) (.cse19 (not .cse12)) (.cse22 (not .cse7)) (.cse9 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse18 (= ~waterLevel~0 1)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse21 (= ~pumpRunning~0 1)) (.cse15 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse12 .cse1 .cse13) (let ((.cse14 (not (= |old(~waterLevel~0)| 1))) (.cse16 (or .cse3 .cse18))) (or (and .cse7 .cse14 .cse8 .cse10 .cse15 .cse16 .cse17) .cse12 .cse1 (and .cse6 .cse7 .cse14 .cse8 .cse9 .cse10 .cse11 .cse16) .cse2)) (or .cse4 .cse5 .cse1 .cse19 .cse20 .cse21) (or .cse4 .cse1 .cse13 .cse19 (and .cse22 .cse9 .cse10 .cse11 .cse17) (not (<= |old(~waterLevel~0)| 2))) (or .cse12 .cse1 .cse23 .cse13 .cse24 .cse2) (or .cse0 .cse2 .cse25 .cse26) (or .cse5 .cse0 .cse25 .cse26) (or (and .cse18 .cse21) .cse1 .cse19 .cse20 .cse2) (or .cse5 .cse0 .cse1 (and .cse7 .cse8 .cse10 .cse3 .cse17)) (or .cse1 .cse19 (and .cse22 .cse9 .cse10 .cse18 .cse17) .cse2 (and .cse3 .cse15 .cse21) (and .cse7 .cse8 .cse3 .cse15 .cse17)))))) [2022-11-16 16:15:41,958 INFO L899 garLoopResultBuilder]: For program point L959(lines 959 965) no Hoare annotation was computed. [2022-11-16 16:15:41,959 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 513 539) the Hoare annotation is: (let ((.cse13 (= |old(~pumpRunning~0)| 0))) (let ((.cse18 (= ~methaneLevelCritical~0 0)) (.cse17 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not .cse13)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse10 (and (not (= ~switchedOnBeforeTS~0 0)) .cse1)) (.cse11 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0) (not (<= |old(~waterLevel~0)| 0)))) (.cse3 (not (= 0 ~systemActive~0))) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not .cse1)) (.cse14 (and .cse18 .cse17)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 1 ~systemActive~0))) (.cse15 (not .cse18)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse16 (= ~pumpRunning~0 1))) (and (or .cse0 (and .cse1 (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse8 .cse9 .cse3) (or .cse0 .cse4 .cse5 .cse10 .cse11) (or .cse7 .cse5 (and .cse12 .cse6 .cse9) .cse13 .cse8) (or .cse0 .cse5 .cse2 .cse10 .cse11) (or .cse7 .cse0 (and .cse1 .cse9) .cse5 .cse8) (or .cse0 .cse4 (and .cse1 .cse6) .cse3) (or .cse7 .cse5 .cse14 .cse15 .cse8 .cse16) (or .cse12 .cse5 .cse14 .cse13 .cse2) (or .cse5 .cse2 .cse6) (or .cse5 .cse15 .cse17 .cse2 .cse16))))) [2022-11-16 16:15:41,959 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse3 (not (= |old(~pumpRunning~0)| 1)))) (let ((.cse5 (and .cse11 .cse3)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (and (or .cse10 .cse12) (not (<= |old(~waterLevel~0)| 0)))) (.cse13 (not (= 0 ~systemActive~0))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse7 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse14 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse5 .cse4) (or .cse2 (and .cse6 .cse7 (= ~waterLevel~0 1) .cse8) .cse9) (or .cse2 .cse5 .cse9 .cse4) (or .cse0 .cse10 .cse11 .cse2) (or .cse12 .cse1 .cse13) (or .cse12 .cse9 .cse13) (or .cse11 .cse2 .cse9) (or .cse0 .cse2 .cse14 (and .cse6 .cse7 (let ((.cse15 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse15) (= |old(~waterLevel~0)| ~waterLevel~0)) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse15))) .cse8)) (or .cse12 .cse2 .cse14)))) [2022-11-16 16:15:41,959 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 513 539) no Hoare annotation was computed. [2022-11-16 16:15:41,960 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2022-11-16 16:15:41,960 INFO L895 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (let ((.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse9 (not (= 0 ~systemActive~0))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse2 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse3 (< 0 |old(~waterLevel~0)|)) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6) (or .cse7 .cse8 .cse9) (or .cse0 .cse10 .cse6) (or .cse8 .cse6 .cse9) (or .cse8 .cse0 (not (<= |old(~waterLevel~0)| 2))) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse7 .cse0 (and .cse1 .cse10 .cse4 (<= ~waterLevel~0 0) (or (and .cse2 .cse3) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse5)))) [2022-11-16 16:15:41,960 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)|))) (.cse8 (not (= ~pumpRunning~0 0))) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7) (or .cse2 (and .cse8 (= ~waterLevel~0 1) .cse9) .cse10) (or .cse0 (and .cse8 (let ((.cse11 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse11) (= |old(~waterLevel~0)| ~waterLevel~0)) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse11))) .cse9) .cse2 .cse12) (or .cse6 .cse10 .cse7) (or .cse6 .cse2 .cse12) (or .cse2 .cse3 .cse4 .cse10 .cse5))) [2022-11-16 16:15:41,960 INFO L899 garLoopResultBuilder]: For program point L580-1(line 580) no Hoare annotation was computed. [2022-11-16 16:15:41,961 INFO L902 garLoopResultBuilder]: At program point L494(lines 431 498) the Hoare annotation is: true [2022-11-16 16:15:41,961 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 467) no Hoare annotation was computed. [2022-11-16 16:15:41,961 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 461 467) no Hoare annotation was computed. [2022-11-16 16:15:41,961 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (not (= ~switchedOnBeforeTS~0 0)) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2022-11-16 16:15:41,961 INFO L895 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (not .cse4)) (.cse7 (<= ~waterLevel~0 1)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (<= ~waterLevel~0 2))) (or (and (= 2 ~waterLevel~0) (or .cse0 .cse1) .cse2 .cse3) (and .cse4 .cse2 .cse3 .cse5 .cse1) (and .cse6 .cse7 .cse2 .cse0 .cse3) (and .cse6 .cse3 .cse8 (= 0 ~systemActive~0) .cse9) (and .cse4 .cse7 .cse2 .cse3 .cse9) (and .cse6 .cse2 .cse3 .cse5) (and .cse6 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse8)))) [2022-11-16 16:15:41,962 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-16 16:15:41,962 INFO L895 garLoopResultBuilder]: At program point L491(lines 440 492) the Hoare annotation is: false [2022-11-16 16:15:41,962 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 16:15:41,962 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2022-11-16 16:15:41,962 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))) [2022-11-16 16:15:41,963 INFO L899 garLoopResultBuilder]: For program point L442(lines 441 490) no Hoare annotation was computed. [2022-11-16 16:15:41,963 INFO L895 garLoopResultBuilder]: At program point L471(lines 471 486) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 2) (= 0 ~systemActive~0) .cse2) (and (= 2 ~waterLevel~0) .cse3 .cse1) (and .cse4 .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse3 .cse1))) [2022-11-16 16:15:41,963 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)) [2022-11-16 16:15:41,963 INFO L895 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not .cse6)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (and (= 2 ~waterLevel~0) (or .cse0 (= ~pumpRunning~0 1)) .cse1 .cse2) (and .cse3 (<= ~waterLevel~0 1) .cse1 .cse0 .cse2) (and .cse3 .cse2 .cse4 (= 0 ~systemActive~0) .cse5) (and .cse3 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse3 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse4) (and .cse6 .cse1 .cse2 .cse4 .cse5)))) [2022-11-16 16:15:41,964 INFO L902 garLoopResultBuilder]: At program point L913-2(lines 913 920) the Hoare annotation is: true [2022-11-16 16:15:41,964 INFO L895 garLoopResultBuilder]: At program point L488(lines 441 490) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0))) (let ((.cse1 (not .cse7)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (or .cse1 (= ~pumpRunning~0 1)) .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse1 .cse3) (and .cse4 .cse3 (<= ~waterLevel~0 2) (= 0 ~systemActive~0) .cse6) (and .cse7 .cse5 .cse2 .cse3 .cse6) (and .cse4 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse4 .cse0 .cse2 .cse3)))) [2022-11-16 16:15:41,964 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2022-11-16 16:15:41,964 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 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (not (= 0 ~systemActive~0))) (and .cse0 (= 1 ~systemActive~0) .cse1 .cse2))) [2022-11-16 16:15:41,964 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 457) no Hoare annotation was computed. [2022-11-16 16:15:41,965 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2022-11-16 16:15:41,965 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 746 757) no Hoare annotation was computed. [2022-11-16 16:15:41,965 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 746 757) the Hoare annotation is: (let ((.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~pumpRunning~0 0))) (.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not (= ~pumpRunning~0 1))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= ~waterLevel~0 1)) (.cse6 (not .cse1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse9 (and (or .cse10 .cse8) (not (<= |old(~waterLevel~0)| 0)))) (.cse11 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (not (= 0 ~systemActive~0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2 .cse7) (or .cse8 .cse1 .cse0 .cse9 .cse4) (or .cse8 .cse5 .cse0 .cse7) (or .cse10 .cse0 .cse6 .cse11 .cse4) (or .cse8 .cse0 .cse3 .cse4) (or .cse8 .cse11 .cse3 .cse4 .cse12) (or .cse8 .cse9 .cse11 .cse4 .cse12)))) [2022-11-16 16:15:41,965 INFO L895 garLoopResultBuilder]: At program point L562(line 562) 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 (= |processEnvironment__wrappee__methaneQuery_~tmp~4#1| 0) (not (<= ~waterLevel~0 1)) .cse3) (or .cse4 .cse0 .cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3)))) [2022-11-16 16:15:41,966 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 564) no Hoare annotation was computed. [2022-11-16 16:15:41,966 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))) [2022-11-16 16:15:41,966 INFO L895 garLoopResultBuilder]: At program point L612(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 (= 2 ~waterLevel~0) .cse0 .cse2 .cse3) (or .cse4 .cse0 .cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3)))) [2022-11-16 16:15:41,966 INFO L895 garLoopResultBuilder]: At program point L612-1(line 612) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.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 (not .cse1) .cse0 .cse2 (and (= 2 ~waterLevel~0) (= |processEnvironment__wrappee__methaneQuery_activatePump_#t~ret33#1| ~methaneLevelCritical~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3))) [2022-11-16 16:15:41,967 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))) [2022-11-16 16:15:41,967 INFO L899 garLoopResultBuilder]: For program point L567-1(lines 548 572) no Hoare annotation was computed. [2022-11-16 16:15:41,967 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))) [2022-11-16 16:15:41,967 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 548 572) no Hoare annotation was computed. [2022-11-16 16:15:41,967 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 643 651) no Hoare annotation was computed. [2022-11-16 16:15:41,968 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 643 651) the Hoare annotation is: true [2022-11-16 16:15:41,968 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 632 642) the Hoare annotation is: true [2022-11-16 16:15:41,968 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 632 642) no Hoare annotation was computed. [2022-11-16 16:15:41,971 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:15:41,974 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 16:15:42,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:15:42 BoogieIcfgContainer [2022-11-16 16:15:42,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 16:15:42,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 16:15:42,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 16:15:42,054 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 16:15:42,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:12:19" (3/4) ... [2022-11-16 16:15:42,058 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 16:15:42,069 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 16:15:42,069 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 16:15:42,070 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 16:15:42,070 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 16:15:42,070 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 16:15:42,070 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 16:15:42,071 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-16 16:15:42,071 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-16 16:15:42,071 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-16 16:15:42,078 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2022-11-16 16:15:42,082 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-16 16:15:42,082 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-16 16:15:42,083 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 16:15:42,083 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 16:15:42,084 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 16:15:42,084 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 16:15:42,111 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((2 == waterLevel && pumpRunning == aux-isPumpRunning()-aux) || !(1 == systemActive)) || !(\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(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || pumpRunning == switchedOnBeforeTS)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || !(\old(waterLevel) == 2)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((!(\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(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && ((((!(pumpRunning == 0) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((!(aux-isPumpRunning()-aux == 0) && pumpRunning == aux-isPumpRunning()-aux) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || pumpRunning == 1)) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || pumpRunning == 1)) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2)) [2022-11-16 16:15:42,112 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) || 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))) && ((((((((((!(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)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && (((((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) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && (((!(\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)) [2022-11-16 16:15:42,114 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((((!(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)) && ((((((((((pumpRunning == 0 && !(\old(waterLevel) == 1)) && 1 == systemActive) && tmp == waterLevel) && tmp == 2) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) || methaneLevelCritical == 0) || !(1 == systemActive)) || (((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && !(\old(waterLevel) == 1)) && 1 == systemActive) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && (\old(waterLevel) == waterLevel || waterLevel == 1))) || !(\old(waterLevel) == 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\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))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) || \old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || !(\old(waterLevel) == 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS))) && (((((!(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)) [2022-11-16 16:15:42,114 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)) || !(0 == systemActive))) && (!(1 == systemActive) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-16 16:15:42,115 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) || 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))) && ((((((((((!(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)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\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))) || !(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))) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) [2022-11-16 16:15:42,115 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))) [2022-11-16 16:15:42,116 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 <= 2)) || ((2 == waterLevel && aux-isMethaneAlarm()-aux == methaneLevelCritical) && pumpRunning == switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-16 16:15:42,166 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 16:15:42,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 16:15:42,167 INFO L158 Benchmark]: Toolchain (without parser) took 203855.45ms. Allocated memory was 130.0MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 95.6MB in the beginning and 692.3MB in the end (delta: -596.7MB). Peak memory consumption was 880.0MB. Max. memory is 16.1GB. [2022-11-16 16:15:42,167 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 52.7MB in the beginning and 52.7MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:15:42,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 554.93ms. Allocated memory is still 130.0MB. Free memory was 95.3MB in the beginning and 97.6MB in the end (delta: -2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 16:15:42,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.92ms. Allocated memory is still 130.0MB. Free memory was 97.6MB in the beginning and 95.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:15:42,169 INFO L158 Benchmark]: Boogie Preprocessor took 78.07ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 93.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:15:42,170 INFO L158 Benchmark]: RCFGBuilder took 885.47ms. Allocated memory is still 130.0MB. Free memory was 93.5MB in the beginning and 61.3MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-16 16:15:42,170 INFO L158 Benchmark]: TraceAbstraction took 202137.52ms. Allocated memory was 130.0MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 60.6MB in the beginning and 698.6MB in the end (delta: -638.0MB). Peak memory consumption was 979.3MB. Max. memory is 16.1GB. [2022-11-16 16:15:42,171 INFO L158 Benchmark]: Witness Printer took 112.95ms. Allocated memory is still 1.6GB. Free memory was 698.6MB in the beginning and 692.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 16:15:42,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 52.7MB in the beginning and 52.7MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 554.93ms. Allocated memory is still 130.0MB. Free memory was 95.3MB in the beginning and 97.6MB in the end (delta: -2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.92ms. Allocated memory is still 130.0MB. Free memory was 97.6MB in the beginning and 95.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.07ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 93.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 885.47ms. Allocated memory is still 130.0MB. Free memory was 93.5MB in the beginning and 61.3MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 202137.52ms. Allocated memory was 130.0MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 60.6MB in the beginning and 698.6MB in the end (delta: -638.0MB). Peak memory consumption was 979.3MB. Max. memory is 16.1GB. * Witness Printer took 112.95ms. Allocated memory is still 1.6GB. Free memory was 698.6MB in the beginning and 692.3MB 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: 202.0s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 23.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 127.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5190 SdHoareTripleChecker+Valid, 9.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5156 mSDsluCounter, 8122 SdHoareTripleChecker+Invalid, 8.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6557 mSDsCounter, 4289 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12144 IncrementalHoareTripleChecker+Invalid, 16433 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4289 mSolverCounterUnsat, 1565 mSDtfsCounter, 12144 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1331 GetRequests, 769 SyntacticMatches, 12 SemanticMatches, 550 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36210 ImplicationChecksByTransitivity, 33.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2967occurred in iteration=9, InterpolantAutomatonStates: 427, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 2603 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 10404 PreInvPairs, 13421 NumberOfFragments, 4536 HoareAnnotationTreeSize, 10404 FomulaSimplifications, 357477 FormulaSimplificationTreeSizeReduction, 45.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 724004 FormulaSimplificationTreeSizeReductionInter, 81.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 727 NumberOfCodeBlocks, 727 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 957 ConstructedInterpolants, 0 QuantifiedInterpolants, 2593 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1535 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 393/474 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) || 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))) && ((((((((((!(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)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\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))) || !(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))) && (((!(\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: (((((((((((((((2 == waterLevel && pumpRunning == aux-isPumpRunning()-aux) || !(1 == systemActive)) || !(\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(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(\old(waterLevel) == 2))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || pumpRunning == switchedOnBeforeTS)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || !(\old(waterLevel) == 2)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && (((!(\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(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || pumpRunning == switchedOnBeforeTS) || !(0 == systemActive))) && ((((!(pumpRunning == 0) || !(1 == systemActive)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || !(\old(waterLevel) == 2))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(pumpRunning) == 0) || ((!(aux-isPumpRunning()-aux == 0) && pumpRunning == aux-isPumpRunning()-aux) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) && !(\old(waterLevel) <= 0))) || !(1 == systemActive)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || pumpRunning == 1)) && ((((!(1 == systemActive) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || pumpRunning == 1)) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(1 == systemActive)) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2)) - 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: ((((((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((((!(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)) && ((((((((((pumpRunning == 0 && !(\old(waterLevel) == 1)) && 1 == systemActive) && tmp == waterLevel) && tmp == 2) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) || methaneLevelCritical == 0) || !(1 == systemActive)) || (((((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && !(\old(waterLevel) == 1)) && 1 == systemActive) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && (\old(waterLevel) == waterLevel || waterLevel == 1))) || !(\old(waterLevel) == 2))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\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))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || (!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel)) || \old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || !(\old(waterLevel) == 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(0 == systemActive))) && (((((waterLevel == 1 && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 == systemActive) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS))) && (((((!(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)) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(0 == systemActive))) && (!(1 == systemActive) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 2)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - 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 <= 2)) || ((2 == waterLevel && aux-isMethaneAlarm()-aux == methaneLevelCritical) && pumpRunning == switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive) && pumpRunning == switchedOnBeforeTS) || ((2 == waterLevel && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel <= 1 && 1 == systemActive) && splverifierCounter == 0) && 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 && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == switchedOnBeforeTS) || ((((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - 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) || 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))) && ((((((((((!(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)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && (((((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) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((((2 == waterLevel && methaneLevelCritical == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1))) && (((!(\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)) - 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) && 1 == systemActive) && !(methaneLevelCritical == 0)) && splverifierCounter == 0)) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive) && pumpRunning == switchedOnBeforeTS)) || ((((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) RESULT: Ultimate proved your program to be correct! [2022-11-16 16:15:42,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_013302a0-bf16-4989-8563-f2712b2e9ceb/bin/utaipan-Xvt2sAort0/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