./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS --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 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:40:35,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:40:35,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:40:35,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:40:35,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:40:35,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:40:35,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:40:35,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:40:35,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:40:35,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:40:35,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:40:35,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:40:35,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:40:35,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:40:35,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:40:35,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:40:36,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:40:36,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:40:36,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:40:36,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:40:36,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:40:36,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:40:36,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:40:36,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:40:36,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:40:36,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:40:36,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:40:36,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:40:36,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:40:36,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:40:36,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:40:36,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:40:36,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:40:36,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:40:36,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:40:36,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:40:36,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:40:36,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:40:36,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:40:36,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:40:36,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:40:36,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 06:40:36,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:40:36,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:40:36,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:40:36,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:40:36,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:40:36,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:40:36,056 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:40:36,056 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:40:36,056 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:40:36,057 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:40:36,057 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:40:36,057 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:40:36,058 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:40:36,058 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:40:36,058 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:40:36,059 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:40:36,059 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:40:36,059 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:40:36,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:40:36,060 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:40:36,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:40:36,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:40:36,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:40:36,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:40:36,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:40:36,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:40:36,062 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:40:36,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:40:36,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:40:36,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:40:36,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:40:36,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:40:36,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:40:36,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:40:36,065 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:40:36,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:40:36,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:40:36,066 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:40:36,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:40:36,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:40:36,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:40:36,067 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_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 [2022-11-19 06:40:36,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:40:36,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:40:36,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:40:36,393 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:40:36,394 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:40:36,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2022-11-19 06:40:36,506 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/data/f362afdcc/ebc8e76d616042baacfab7f29ef354cf/FLAG5d5d28d0d [2022-11-19 06:40:37,073 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:40:37,073 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2022-11-19 06:40:37,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/data/f362afdcc/ebc8e76d616042baacfab7f29ef354cf/FLAG5d5d28d0d [2022-11-19 06:40:37,400 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/data/f362afdcc/ebc8e76d616042baacfab7f29ef354cf [2022-11-19 06:40:37,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:40:37,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:40:37,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:40:37,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:40:37,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:40:37,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:40:37" (1/1) ... [2022-11-19 06:40:37,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129aaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:37, skipping insertion in model container [2022-11-19 06:40:37,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:40:37" (1/1) ... [2022-11-19 06:40:37,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:40:37,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:40:37,792 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c[1605,1618] [2022-11-19 06:40:38,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:40:38,014 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:40:38,046 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c[1605,1618] [2022-11-19 06:40:38,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:40:38,171 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:40:38,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:38 WrapperNode [2022-11-19 06:40:38,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:40:38,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:40:38,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:40:38,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:40:38,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:38" (1/1) ... [2022-11-19 06:40:38,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:38" (1/1) ... [2022-11-19 06:40:38,238 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 197 [2022-11-19 06:40:38,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:40:38,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:40:38,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:40:38,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:40:38,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:38" (1/1) ... [2022-11-19 06:40:38,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:38" (1/1) ... [2022-11-19 06:40:38,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:38" (1/1) ... [2022-11-19 06:40:38,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:38" (1/1) ... [2022-11-19 06:40:38,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:38" (1/1) ... [2022-11-19 06:40:38,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:38" (1/1) ... [2022-11-19 06:40:38,274 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:38" (1/1) ... [2022-11-19 06:40:38,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:38" (1/1) ... [2022-11-19 06:40:38,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:40:38,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:40:38,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:40:38,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:40:38,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:38" (1/1) ... [2022-11-19 06:40:38,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:40:38,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:40:38,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:40:38,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:40:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:40:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-19 06:40:38,409 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-19 06:40:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-19 06:40:38,410 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-19 06:40:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-19 06:40:38,410 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-19 06:40:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-19 06:40:38,411 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-19 06:40:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-19 06:40:38,411 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-19 06:40:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-19 06:40:38,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-19 06:40:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-19 06:40:38,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-19 06:40:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-19 06:40:38,412 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-19 06:40:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:40:38,413 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-19 06:40:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-19 06:40:38,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:40:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:40:38,505 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:40:38,507 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:40:38,855 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:40:38,982 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:40:38,982 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 06:40:38,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:40:38 BoogieIcfgContainer [2022-11-19 06:40:38,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:40:38,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:40:38,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:40:38,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:40:38,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:40:37" (1/3) ... [2022-11-19 06:40:38,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9a9de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:40:38, skipping insertion in model container [2022-11-19 06:40:38,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:38" (2/3) ... [2022-11-19 06:40:38,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9a9de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:40:38, skipping insertion in model container [2022-11-19 06:40:38,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:40:38" (3/3) ... [2022-11-19 06:40:38,995 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product31.cil.c [2022-11-19 06:40:39,015 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:40:39,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:40:39,065 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:40:39,072 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;@553b2636, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:40:39,073 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:40:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 53 states have internal predecessors, (63), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 06:40:39,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-19 06:40:39,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:39,088 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] [2022-11-19 06:40:39,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:40:39,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:39,095 INFO L85 PathProgramCache]: Analyzing trace with hash -403806992, now seen corresponding path program 1 times [2022-11-19 06:40:39,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:39,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284527179] [2022-11-19 06:40:39,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:39,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:40:39,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:39,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284527179] [2022-11-19 06:40:39,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284527179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:40:39,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:40:39,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:40:39,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321340384] [2022-11-19 06:40:39,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:40:39,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:40:39,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:39,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:40:39,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:40:39,376 INFO L87 Difference]: Start difference. First operand has 71 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 53 states have internal predecessors, (63), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 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) [2022-11-19 06:40:39,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:39,467 INFO L93 Difference]: Finished difference Result 140 states and 191 transitions. [2022-11-19 06:40:39,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:40:39,470 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 [2022-11-19 06:40:39,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:39,479 INFO L225 Difference]: With dead ends: 140 [2022-11-19 06:40:39,479 INFO L226 Difference]: Without dead ends: 66 [2022-11-19 06:40:39,483 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 [2022-11-19 06:40:39,486 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:39,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:40:39,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-19 06:40:39,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-19 06:40:39,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 49 states have internal predecessors, (55), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-19 06:40:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 86 transitions. [2022-11-19 06:40:39,534 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 86 transitions. Word has length 21 [2022-11-19 06:40:39,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:40:39,535 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 86 transitions. [2022-11-19 06:40:39,535 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) [2022-11-19 06:40:39,536 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2022-11-19 06:40:39,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 06:40:39,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:39,538 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] [2022-11-19 06:40:39,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:40:39,539 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:40:39,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:39,540 INFO L85 PathProgramCache]: Analyzing trace with hash 183623287, now seen corresponding path program 1 times [2022-11-19 06:40:39,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:39,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909018737] [2022-11-19 06:40:39,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:39,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:40:39,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:39,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909018737] [2022-11-19 06:40:39,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909018737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:40:39,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:40:39,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:40:39,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216009709] [2022-11-19 06:40:39,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:40:39,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:40:39,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:39,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:40:39,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:40:39,713 INFO L87 Difference]: Start difference. First operand 66 states and 86 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) [2022-11-19 06:40:39,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:39,794 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2022-11-19 06:40:39,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:40:39,798 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 [2022-11-19 06:40:39,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:39,804 INFO L225 Difference]: With dead ends: 104 [2022-11-19 06:40:39,804 INFO L226 Difference]: Without dead ends: 58 [2022-11-19 06:40:39,805 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 [2022-11-19 06:40:39,806 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 14 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:39,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 107 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:40:39,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-19 06:40:39,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-19 06:40:39,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 44 states have internal predecessors, (49), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 06:40:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2022-11-19 06:40:39,830 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 75 transitions. Word has length 22 [2022-11-19 06:40:39,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:40:39,832 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 75 transitions. [2022-11-19 06:40:39,832 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) [2022-11-19 06:40:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-11-19 06:40:39,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-19 06:40:39,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:39,838 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] [2022-11-19 06:40:39,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:40:39,838 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:40:39,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:39,839 INFO L85 PathProgramCache]: Analyzing trace with hash -899626062, now seen corresponding path program 1 times [2022-11-19 06:40:39,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:39,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234511636] [2022-11-19 06:40:39,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:39,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:40:39,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:39,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234511636] [2022-11-19 06:40:39,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234511636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:40:39,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:40:39,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:40:39,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586116250] [2022-11-19 06:40:39,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:40:39,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:40:39,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:39,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:40:39,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:40:39,992 INFO L87 Difference]: Start difference. First operand 58 states and 75 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) [2022-11-19 06:40:40,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:40,063 INFO L93 Difference]: Finished difference Result 170 states and 222 transitions. [2022-11-19 06:40:40,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:40:40,064 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 [2022-11-19 06:40:40,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:40,066 INFO L225 Difference]: With dead ends: 170 [2022-11-19 06:40:40,067 INFO L226 Difference]: Without dead ends: 114 [2022-11-19 06:40:40,068 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 [2022-11-19 06:40:40,069 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 60 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:40,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 143 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:40:40,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-11-19 06:40:40,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2022-11-19 06:40:40,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 83 states have internal predecessors, (93), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-19 06:40:40,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 145 transitions. [2022-11-19 06:40:40,093 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 145 transitions. Word has length 25 [2022-11-19 06:40:40,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:40:40,094 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 145 transitions. [2022-11-19 06:40:40,094 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) [2022-11-19 06:40:40,094 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2022-11-19 06:40:40,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-19 06:40:40,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:40:40,096 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] [2022-11-19 06:40:40,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:40:40,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:40:40,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:40:40,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1401031299, now seen corresponding path program 1 times [2022-11-19 06:40:40,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:40:40,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506331557] [2022-11-19 06:40:40,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:40:40,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:40:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:40:40,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 06:40:40,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:40:40,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506331557] [2022-11-19 06:40:40,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506331557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:40:40,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:40:40,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:40:40,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520869936] [2022-11-19 06:40:40,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:40:40,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:40:40,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:40:40,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:40:40,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:40:40,307 INFO L87 Difference]: Start difference. First operand 111 states and 145 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) [2022-11-19 06:40:40,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:40:40,483 INFO L93 Difference]: Finished difference Result 194 states and 253 transitions. [2022-11-19 06:40:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:40:40,485 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 [2022-11-19 06:40:40,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:40:40,485 INFO L225 Difference]: With dead ends: 194 [2022-11-19 06:40:40,486 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 06:40:40,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:40:40,489 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 31 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:40:40,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 124 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:40:40,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 06:40:40,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 06:40:40,491 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) [2022-11-19 06:40:40,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 06:40:40,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-11-19 06:40:40,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:40:40,492 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 06:40:40,493 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) [2022-11-19 06:40:40,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 06:40:40,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 06:40:40,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 06:40:40,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:40:40,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 06:40:40,875 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 255 262) the Hoare annotation is: true [2022-11-19 06:40:40,876 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 255 262) no Hoare annotation was computed. [2022-11-19 06:40:40,876 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 171 177) no Hoare annotation was computed. [2022-11-19 06:40:40,876 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 171 177) the Hoare annotation is: true [2022-11-19 06:40:40,876 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 381 392) the Hoare annotation is: true [2022-11-19 06:40:40,877 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 381 392) no Hoare annotation was computed. [2022-11-19 06:40:40,877 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2022-11-19 06:40:40,877 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: true [2022-11-19 06:40:40,878 INFO L902 garLoopResultBuilder]: At program point L470(lines 445 474) the Hoare annotation is: true [2022-11-19 06:40:40,878 INFO L899 garLoopResultBuilder]: For program point L466(line 466) no Hoare annotation was computed. [2022-11-19 06:40:40,878 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2022-11-19 06:40:40,878 INFO L902 garLoopResultBuilder]: At program point L459-1(lines 459 463) the Hoare annotation is: true [2022-11-19 06:40:40,879 INFO L902 garLoopResultBuilder]: At program point L455-2(lines 455 469) the Hoare annotation is: true [2022-11-19 06:40:40,879 INFO L902 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: true [2022-11-19 06:40:40,879 INFO L899 garLoopResultBuilder]: For program point L451-1(line 451) no Hoare annotation was computed. [2022-11-19 06:40:40,880 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 147 169) no Hoare annotation was computed. [2022-11-19 06:40:40,880 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 221) no Hoare annotation was computed. [2022-11-19 06:40:40,880 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 226) no Hoare annotation was computed. [2022-11-19 06:40:40,881 INFO L895 garLoopResultBuilder]: At program point L940(line 940) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 06:40:40,881 INFO L899 garLoopResultBuilder]: For program point L940-1(line 940) no Hoare annotation was computed. [2022-11-19 06:40:40,881 INFO L895 garLoopResultBuilder]: At program point L925(line 925) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 06:40:40,882 INFO L895 garLoopResultBuilder]: At program point L925-1(line 925) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 06:40:40,882 INFO L895 garLoopResultBuilder]: At program point L219(line 219) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 06:40:40,882 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 06:40:40,882 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 06:40:40,883 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 06:40:40,883 INFO L899 garLoopResultBuilder]: For program point L211-1(line 211) no Hoare annotation was computed. [2022-11-19 06:40:40,883 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 952) no Hoare annotation was computed. [2022-11-19 06:40:40,884 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 955) no Hoare annotation was computed. [2022-11-19 06:40:40,884 INFO L895 garLoopResultBuilder]: At program point L938-1(lines 930 958) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 06:40:40,884 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 06:40:40,885 INFO L895 garLoopResultBuilder]: At program point L224-1(lines 205 229) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 06:40:40,885 INFO L895 garLoopResultBuilder]: At program point L158-1(lines 158 164) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 06:40:40,885 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 144 170) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 06:40:40,886 INFO L899 garLoopResultBuilder]: For program point L943(lines 943 949) no Hoare annotation was computed. [2022-11-19 06:40:40,886 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 144 170) no Hoare annotation was computed. [2022-11-19 06:40:40,886 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-19 06:40:40,887 INFO L895 garLoopResultBuilder]: At program point L122(lines 73 123) the Hoare annotation is: false [2022-11-19 06:40:40,887 INFO L895 garLoopResultBuilder]: At program point L531(lines 531 538) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-19 06:40:40,887 INFO L902 garLoopResultBuilder]: At program point L531-2(lines 531 538) the Hoare annotation is: true [2022-11-19 06:40:40,887 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 116) no Hoare annotation was computed. [2022-11-19 06:40:40,888 INFO L895 garLoopResultBuilder]: At program point L110-2(lines 104 117) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 06:40:40,888 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2022-11-19 06:40:40,888 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 06:40:40,889 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 94 100) no Hoare annotation was computed. [2022-11-19 06:40:40,889 INFO L895 garLoopResultBuilder]: At program point L119(lines 74 121) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 06:40:40,889 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 06:40:40,889 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 348) no Hoare annotation was computed. [2022-11-19 06:40:40,890 INFO L895 garLoopResultBuilder]: At program point L342-1(lines 342 348) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 06:40:40,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 06:40:40,890 INFO L899 garLoopResultBuilder]: For program point L75(lines 74 121) no Hoare annotation was computed. [2022-11-19 06:40:40,891 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 117) no Hoare annotation was computed. [2022-11-19 06:40:40,891 INFO L895 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 06:40:40,891 INFO L902 garLoopResultBuilder]: At program point L125(lines 64 129) the Hoare annotation is: true [2022-11-19 06:40:40,891 INFO L895 garLoopResultBuilder]: At program point L344(line 344) the Hoare annotation is: false [2022-11-19 06:40:40,892 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2022-11-19 06:40:40,892 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2022-11-19 06:40:40,892 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 369 380) no Hoare annotation was computed. [2022-11-19 06:40:40,892 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 369 380) the Hoare annotation is: true [2022-11-19 06:40:40,893 INFO L895 garLoopResultBuilder]: At program point L193(line 193) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 06:40:40,893 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 06:40:40,893 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 195) no Hoare annotation was computed. [2022-11-19 06:40:40,893 INFO L895 garLoopResultBuilder]: At program point L183(lines 183 200) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 06:40:40,894 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 179 203) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 06:40:40,894 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 179 203) no Hoare annotation was computed. [2022-11-19 06:40:40,894 INFO L895 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 06:40:40,894 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 179 203) no Hoare annotation was computed. [2022-11-19 06:40:40,895 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 274 282) no Hoare annotation was computed. [2022-11-19 06:40:40,895 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 274 282) the Hoare annotation is: true [2022-11-19 06:40:40,895 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 263 273) the Hoare annotation is: true [2022-11-19 06:40:40,895 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 263 273) no Hoare annotation was computed. [2022-11-19 06:40:40,899 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-19 06:40:40,902 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:40:40,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:40:40 BoogieIcfgContainer [2022-11-19 06:40:40,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:40:40,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:40:40,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:40:40,919 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:40:40,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:40:38" (3/4) ... [2022-11-19 06:40:40,924 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 06:40:40,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-19 06:40:40,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-19 06:40:40,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-19 06:40:40,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-19 06:40:40,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-19 06:40:40,932 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-19 06:40:40,932 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-19 06:40:40,932 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-19 06:40:40,933 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-19 06:40:40,939 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-11-19 06:40:40,940 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-19 06:40:40,940 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-19 06:40:40,941 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:40:40,941 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:40:40,968 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 06:40:40,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 06:40:40,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 06:40:40,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-19 06:40:40,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 06:40:40,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 06:40:40,997 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 06:40:41,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:40:41,003 INFO L158 Benchmark]: Toolchain (without parser) took 3598.20ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 82.7MB in the beginning and 91.1MB in the end (delta: -8.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-11-19 06:40:41,004 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:40:41,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 767.32ms. Allocated memory is still 121.6MB. Free memory was 82.4MB in the beginning and 88.7MB in the end (delta: -6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 06:40:41,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.82ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 86.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:40:41,005 INFO L158 Benchmark]: Boogie Preprocessor took 39.33ms. Allocated memory is still 121.6MB. Free memory was 86.4MB in the beginning and 84.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:40:41,006 INFO L158 Benchmark]: RCFGBuilder took 706.12ms. Allocated memory is still 121.6MB. Free memory was 84.9MB in the beginning and 61.6MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-19 06:40:41,007 INFO L158 Benchmark]: TraceAbstraction took 1930.98ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 61.1MB in the beginning and 96.5MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:40:41,007 INFO L158 Benchmark]: Witness Printer took 83.76ms. Allocated memory is still 146.8MB. Free memory was 96.5MB in the beginning and 91.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 06:40:41,009 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 767.32ms. Allocated memory is still 121.6MB. Free memory was 82.4MB in the beginning and 88.7MB in the end (delta: -6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.82ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 86.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.33ms. Allocated memory is still 121.6MB. Free memory was 86.4MB in the beginning and 84.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 706.12ms. Allocated memory is still 121.6MB. Free memory was 84.9MB in the beginning and 61.6MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1930.98ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 61.1MB in the beginning and 96.5MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.76ms. Allocated memory is still 146.8MB. Free memory was 96.5MB in the beginning and 91.1MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 450 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 194 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 256 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 258 PreInvPairs, 280 NumberOfFragments, 170 HoareAnnotationTreeSize, 258 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 39 FomulaSimplificationsInter, 361 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-19 06:40:41,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0833db49-cf8a-40f2-a7e1-1e77ef881941/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE