./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/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_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/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_19426ea9-6cf2-4183-be9e-854107cd7a51/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 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 --- 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 06:45:38,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:45:38,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:45:38,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:45:38,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:45:38,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:45:38,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:45:38,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:45:38,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:45:38,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:45:38,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:45:38,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:45:38,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:45:38,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:45:38,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:45:38,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:45:38,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:45:38,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:45:38,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:45:38,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:45:38,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:45:38,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:45:38,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:45:38,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:45:38,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:45:38,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:45:38,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:45:38,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:45:38,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:45:38,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:45:38,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:45:38,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:45:38,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:45:38,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:45:38,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:45:38,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:45:38,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:45:38,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:45:38,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:45:38,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:45:38,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:45:38,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 06:45:38,466 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:45:38,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:45:38,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:45:38,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:45:38,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:45:38,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:45:38,469 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:45:38,469 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:45:38,469 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:45:38,470 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:45:38,470 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:45:38,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:45:38,471 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:45:38,471 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:45:38,471 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:45:38,471 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:45:38,472 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:45:38,472 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:45:38,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:45:38,473 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:45:38,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:45:38,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:45:38,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:45:38,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:45:38,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:45:38,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:45:38,475 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:45:38,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:45:38,476 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:45:38,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:45:38,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:45:38,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:45:38,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:45:38,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:45:38,477 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:45:38,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:45:38,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:45:38,478 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:45:38,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:45:38,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:45:38,478 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:45:38,478 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_19426ea9-6cf2-4183-be9e-854107cd7a51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 [2022-11-19 06:45:38,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:45:38,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:45:38,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:45:38,804 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:45:38,805 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:45:38,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2022-11-19 06:45:38,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/data/6f08c9496/9cebc5423abe4de484e173bb6b437178/FLAG54c084a3c [2022-11-19 06:45:39,452 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:45:39,454 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2022-11-19 06:45:39,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/data/6f08c9496/9cebc5423abe4de484e173bb6b437178/FLAG54c084a3c [2022-11-19 06:45:39,768 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/data/6f08c9496/9cebc5423abe4de484e173bb6b437178 [2022-11-19 06:45:39,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:45:39,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:45:39,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:45:39,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:45:39,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:45:39,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:45:39" (1/1) ... [2022-11-19 06:45:39,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1163b861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:39, skipping insertion in model container [2022-11-19 06:45:39,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:45:39" (1/1) ... [2022-11-19 06:45:39,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:45:39,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:45:40,102 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_19426ea9-6cf2-4183-be9e-854107cd7a51/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2022-11-19 06:45:40,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:45:40,364 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:45:40,384 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_19426ea9-6cf2-4183-be9e-854107cd7a51/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2022-11-19 06:45:40,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:45:40,476 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:45:40,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:40 WrapperNode [2022-11-19 06:45:40,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:45:40,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:45:40,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:45:40,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:45:40,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:40" (1/1) ... [2022-11-19 06:45:40,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:40" (1/1) ... [2022-11-19 06:45:40,559 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 221 [2022-11-19 06:45:40,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:45:40,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:45:40,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:45:40,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:45:40,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:40" (1/1) ... [2022-11-19 06:45:40,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:40" (1/1) ... [2022-11-19 06:45:40,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:40" (1/1) ... [2022-11-19 06:45:40,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:40" (1/1) ... [2022-11-19 06:45:40,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:40" (1/1) ... [2022-11-19 06:45:40,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:40" (1/1) ... [2022-11-19 06:45:40,591 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:40" (1/1) ... [2022-11-19 06:45:40,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:40" (1/1) ... [2022-11-19 06:45:40,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:45:40,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:45:40,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:45:40,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:45:40,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:40" (1/1) ... [2022-11-19 06:45:40,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:45:40,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:45:40,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:45:40,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:45:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:45:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-19 06:45:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-19 06:45:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-19 06:45:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-19 06:45:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-19 06:45:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-19 06:45:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-19 06:45:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-19 06:45:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-19 06:45:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-19 06:45:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-19 06:45:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-19 06:45:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-19 06:45:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-19 06:45:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-19 06:45:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-19 06:45:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:45:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-19 06:45:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-19 06:45:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:45:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:45:40,872 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:45:40,875 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:45:41,325 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:45:41,482 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:45:41,482 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 06:45:41,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:41 BoogieIcfgContainer [2022-11-19 06:45:41,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:45:41,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:45:41,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:45:41,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:45:41,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:45:39" (1/3) ... [2022-11-19 06:45:41,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89d0fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:45:41, skipping insertion in model container [2022-11-19 06:45:41,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:40" (2/3) ... [2022-11-19 06:45:41,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89d0fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:45:41, skipping insertion in model container [2022-11-19 06:45:41,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:41" (3/3) ... [2022-11-19 06:45:41,499 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2022-11-19 06:45:41,525 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:45:41,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:45:41,598 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:45:41,607 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;@34b46b8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:45:41,613 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:45:41,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 52 states have internal predecessors, (60), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 06:45:41,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 06:45:41,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:41,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:41,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:41,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:41,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1362620112, now seen corresponding path program 1 times [2022-11-19 06:45:41,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:41,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485551102] [2022-11-19 06:45:41,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:41,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:45:41,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:41,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485551102] [2022-11-19 06:45:41,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485551102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:41,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:41,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:45:41,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028038713] [2022-11-19 06:45:41,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:41,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:45:41,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:41,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:45:41,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:45:41,917 INFO L87 Difference]: Start difference. First operand has 69 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 52 states have internal predecessors, (60), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 06:45:42,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:42,015 INFO L93 Difference]: Finished difference Result 136 states and 185 transitions. [2022-11-19 06:45:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:45:42,018 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-19 06:45:42,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:42,029 INFO L225 Difference]: With dead ends: 136 [2022-11-19 06:45:42,029 INFO L226 Difference]: Without dead ends: 64 [2022-11-19 06:45:42,033 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 06:45:42,037 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:42,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:45:42,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-19 06:45:42,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-19 06:45:42,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 48 states have internal predecessors, (52), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-19 06:45:42,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2022-11-19 06:45:42,089 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 17 [2022-11-19 06:45:42,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:42,090 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2022-11-19 06:45:42,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 06:45:42,091 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2022-11-19 06:45:42,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 06:45:42,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:42,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:42,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:45:42,095 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:42,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:42,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1971384565, now seen corresponding path program 1 times [2022-11-19 06:45:42,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:42,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864795952] [2022-11-19 06:45:42,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:42,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:45:42,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:42,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864795952] [2022-11-19 06:45:42,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864795952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:42,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:42,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:45:42,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269183102] [2022-11-19 06:45:42,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:42,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:45:42,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:42,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:45:42,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:42,336 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 06:45:42,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:42,457 INFO L93 Difference]: Finished difference Result 105 states and 137 transitions. [2022-11-19 06:45:42,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:45:42,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-19 06:45:42,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:42,479 INFO L225 Difference]: With dead ends: 105 [2022-11-19 06:45:42,479 INFO L226 Difference]: Without dead ends: 56 [2022-11-19 06:45:42,480 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 06:45:42,482 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 7 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:42,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 105 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:45:42,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-19 06:45:42,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-19 06:45:42,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 43 states have internal predecessors, (46), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 06:45:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 72 transitions. [2022-11-19 06:45:42,500 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 72 transitions. Word has length 18 [2022-11-19 06:45:42,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:42,501 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 72 transitions. [2022-11-19 06:45:42,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 06:45:42,501 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-11-19 06:45:42,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 06:45:42,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:42,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:42,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:45:42,505 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:42,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:42,506 INFO L85 PathProgramCache]: Analyzing trace with hash -932960636, now seen corresponding path program 1 times [2022-11-19 06:45:42,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:42,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642627781] [2022-11-19 06:45:42,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:42,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:45:42,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:42,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642627781] [2022-11-19 06:45:42,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642627781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:42,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:42,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:45:42,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705576216] [2022-11-19 06:45:42,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:42,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:45:42,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:42,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:45:42,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:45:42,721 INFO L87 Difference]: Start difference. First operand 56 states and 72 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 06:45:42,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:42,938 INFO L93 Difference]: Finished difference Result 110 states and 143 transitions. [2022-11-19 06:45:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:45:42,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-19 06:45:42,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:42,942 INFO L225 Difference]: With dead ends: 110 [2022-11-19 06:45:42,943 INFO L226 Difference]: Without dead ends: 56 [2022-11-19 06:45:42,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:45:42,947 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 68 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:42,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 75 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:45:42,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-19 06:45:42,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-19 06:45:42,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 43 states have internal predecessors, (45), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-19 06:45:42,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2022-11-19 06:45:42,965 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 20 [2022-11-19 06:45:42,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:42,965 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2022-11-19 06:45:42,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 06:45:42,966 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-11-19 06:45:42,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-19 06:45:42,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:42,968 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] [2022-11-19 06:45:42,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:45:42,969 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:42,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:42,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1469745672, now seen corresponding path program 1 times [2022-11-19 06:45:42,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:42,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544276589] [2022-11-19 06:45:42,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:42,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:43,104 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 06:45:43,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:43,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544276589] [2022-11-19 06:45:43,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544276589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:43,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:43,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:45:43,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623375541] [2022-11-19 06:45:43,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:43,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:45:43,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:43,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:45:43,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:43,111 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 06:45:43,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:43,206 INFO L93 Difference]: Finished difference Result 149 states and 194 transitions. [2022-11-19 06:45:43,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:45:43,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2022-11-19 06:45:43,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:43,209 INFO L225 Difference]: With dead ends: 149 [2022-11-19 06:45:43,209 INFO L226 Difference]: Without dead ends: 95 [2022-11-19 06:45:43,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 06:45:43,211 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 43 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:43,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 120 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:45:43,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-19 06:45:43,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2022-11-19 06:45:43,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 68 states have internal predecessors, (76), 17 states have call successors, (17), 15 states have call predecessors, (17), 15 states have return successors, (23), 15 states have call predecessors, (23), 17 states have call successors, (23) [2022-11-19 06:45:43,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 116 transitions. [2022-11-19 06:45:43,253 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 116 transitions. Word has length 30 [2022-11-19 06:45:43,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:43,253 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 116 transitions. [2022-11-19 06:45:43,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 06:45:43,254 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 116 transitions. [2022-11-19 06:45:43,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 06:45:43,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:43,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:43,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:45:43,262 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:43,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:43,263 INFO L85 PathProgramCache]: Analyzing trace with hash -526885269, now seen corresponding path program 1 times [2022-11-19 06:45:43,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:43,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711762322] [2022-11-19 06:45:43,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:43,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:45:43,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:43,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711762322] [2022-11-19 06:45:43,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711762322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:43,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:43,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:45:43,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799787332] [2022-11-19 06:45:43,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:43,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:45:43,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:43,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:45:43,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:45:43,416 INFO L87 Difference]: Start difference. First operand 93 states and 116 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 06:45:43,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:43,595 INFO L93 Difference]: Finished difference Result 271 states and 345 transitions. [2022-11-19 06:45:43,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:45:43,595 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2022-11-19 06:45:43,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:43,598 INFO L225 Difference]: With dead ends: 271 [2022-11-19 06:45:43,598 INFO L226 Difference]: Without dead ends: 180 [2022-11-19 06:45:43,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 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 06:45:43,600 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 48 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:43,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 292 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:45:43,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-19 06:45:43,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 172. [2022-11-19 06:45:43,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 111 states have (on average 1.2342342342342343) internal successors, (137), 124 states have internal predecessors, (137), 32 states have call successors, (32), 28 states have call predecessors, (32), 28 states have return successors, (44), 28 states have call predecessors, (44), 32 states have call successors, (44) [2022-11-19 06:45:43,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 213 transitions. [2022-11-19 06:45:43,632 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 213 transitions. Word has length 33 [2022-11-19 06:45:43,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:43,632 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 213 transitions. [2022-11-19 06:45:43,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 06:45:43,633 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 213 transitions. [2022-11-19 06:45:43,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-19 06:45:43,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:43,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:43,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:45:43,635 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:43,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:43,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1521525104, now seen corresponding path program 1 times [2022-11-19 06:45:43,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:43,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641026680] [2022-11-19 06:45:43,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:43,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:45:43,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:43,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641026680] [2022-11-19 06:45:43,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641026680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:43,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:43,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:45:43,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297769867] [2022-11-19 06:45:43,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:43,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:45:43,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:43,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:45:43,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:43,758 INFO L87 Difference]: Start difference. First operand 172 states and 213 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 06:45:43,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:43,867 INFO L93 Difference]: Finished difference Result 263 states and 335 transitions. [2022-11-19 06:45:43,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:45:43,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2022-11-19 06:45:43,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:43,877 INFO L225 Difference]: With dead ends: 263 [2022-11-19 06:45:43,877 INFO L226 Difference]: Without dead ends: 261 [2022-11-19 06:45:43,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 06:45:43,887 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 47 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:43,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 131 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:45:43,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-11-19 06:45:43,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2022-11-19 06:45:43,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 168 states have (on average 1.2380952380952381) internal successors, (208), 188 states have internal predecessors, (208), 49 states have call successors, (49), 43 states have call predecessors, (49), 43 states have return successors, (75), 43 states have call predecessors, (75), 49 states have call successors, (75) [2022-11-19 06:45:43,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 332 transitions. [2022-11-19 06:45:43,977 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 332 transitions. Word has length 36 [2022-11-19 06:45:43,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:43,978 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 332 transitions. [2022-11-19 06:45:43,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 06:45:43,978 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 332 transitions. [2022-11-19 06:45:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 06:45:43,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:43,989 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-19 06:45:43,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:45:43,990 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:43,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:43,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1301475980, now seen corresponding path program 1 times [2022-11-19 06:45:43,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:43,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789353702] [2022-11-19 06:45:43,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:43,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:44,178 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:45:44,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:44,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789353702] [2022-11-19 06:45:44,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789353702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:44,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:44,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:45:44,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101218707] [2022-11-19 06:45:44,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:44,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:45:44,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:44,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:45:44,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:45:44,181 INFO L87 Difference]: Start difference. First operand 261 states and 332 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 06:45:44,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:44,300 INFO L93 Difference]: Finished difference Result 425 states and 547 transitions. [2022-11-19 06:45:44,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:45:44,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2022-11-19 06:45:44,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:44,307 INFO L225 Difference]: With dead ends: 425 [2022-11-19 06:45:44,307 INFO L226 Difference]: Without dead ends: 245 [2022-11-19 06:45:44,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:45:44,311 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 45 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:44,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 190 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:45:44,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2022-11-19 06:45:44,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 233. [2022-11-19 06:45:44,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 148 states have (on average 1.2297297297297298) internal successors, (182), 167 states have internal predecessors, (182), 45 states have call successors, (45), 39 states have call predecessors, (45), 39 states have return successors, (65), 38 states have call predecessors, (65), 45 states have call successors, (65) [2022-11-19 06:45:44,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 292 transitions. [2022-11-19 06:45:44,364 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 292 transitions. Word has length 65 [2022-11-19 06:45:44,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:44,365 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 292 transitions. [2022-11-19 06:45:44,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 06:45:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 292 transitions. [2022-11-19 06:45:44,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-19 06:45:44,369 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:44,369 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, 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 06:45:44,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:45:44,369 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:44,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:44,370 INFO L85 PathProgramCache]: Analyzing trace with hash 2099388726, now seen corresponding path program 1 times [2022-11-19 06:45:44,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:44,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870271709] [2022-11-19 06:45:44,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:44,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:44,788 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 06:45:44,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:44,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870271709] [2022-11-19 06:45:44,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870271709] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:45:44,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295090031] [2022-11-19 06:45:44,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:44,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:45:44,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:45:44,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:45:44,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:45:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:44,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 06:45:44,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:45:45,200 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 06:45:45,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:45:45,455 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:45:45,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295090031] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:45:45,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [756141278] [2022-11-19 06:45:45,490 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2022-11-19 06:45:45,490 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:45:45,495 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:45:45,501 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:45:45,501 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:45:48,608 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 32 for LOIs [2022-11-19 06:45:48,836 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 54 for LOIs [2022-11-19 06:45:48,982 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 28 for LOIs [2022-11-19 06:45:49,011 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 51 for LOIs [2022-11-19 06:45:49,037 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 45 for LOIs [2022-11-19 06:45:49,047 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:45:56,018 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4238#(and (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (<= 0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~4#1|) (= ~head~0.offset 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (<= 0 ~methAndRunningLastTime~0) (<= 2 |old(~waterLevel~0)|) (<= 0 |old(~methAndRunningLastTime~0)|) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| ~methaneLevelCritical~0) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 2147483647) (<= 0 ~methaneLevelCritical~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~4#1|) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0)) (not (= ~methAndRunningLastTime~0 0)) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-19 06:45:56,019 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 06:45:56,019 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:45:56,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2022-11-19 06:45:56,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76626634] [2022-11-19 06:45:56,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:45:56,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-19 06:45:56,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:56,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-19 06:45:56,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=1695, Unknown=0, NotChecked=0, Total=1892 [2022-11-19 06:45:56,023 INFO L87 Difference]: Start difference. First operand 233 states and 292 transitions. Second operand has 14 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-11-19 06:45:57,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:57,913 INFO L93 Difference]: Finished difference Result 625 states and 782 transitions. [2022-11-19 06:45:57,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-19 06:45:57,914 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 73 [2022-11-19 06:45:57,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:57,917 INFO L225 Difference]: With dead ends: 625 [2022-11-19 06:45:57,917 INFO L226 Difference]: Without dead ends: 394 [2022-11-19 06:45:57,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 189 SyntacticMatches, 11 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1620 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=466, Invalid=4504, Unknown=0, NotChecked=0, Total=4970 [2022-11-19 06:45:57,922 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 576 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:57,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 210 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-19 06:45:57,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2022-11-19 06:45:57,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 372. [2022-11-19 06:45:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 240 states have (on average 1.1583333333333334) internal successors, (278), 266 states have internal predecessors, (278), 64 states have call successors, (64), 52 states have call predecessors, (64), 67 states have return successors, (83), 68 states have call predecessors, (83), 64 states have call successors, (83) [2022-11-19 06:45:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 425 transitions. [2022-11-19 06:45:57,967 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 425 transitions. Word has length 73 [2022-11-19 06:45:57,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:57,968 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 425 transitions. [2022-11-19 06:45:57,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-11-19 06:45:57,968 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 425 transitions. [2022-11-19 06:45:57,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-19 06:45:57,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:57,970 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, 1, 1, 1, 1, 1, 1, 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 06:45:57,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 06:45:58,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:45:58,179 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:58,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:58,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1377653795, now seen corresponding path program 1 times [2022-11-19 06:45:58,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:58,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973752173] [2022-11-19 06:45:58,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:58,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:58,594 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-19 06:45:58,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:58,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973752173] [2022-11-19 06:45:58,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973752173] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:45:58,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515483763] [2022-11-19 06:45:58,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:58,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:45:58,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:45:58,597 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:45:58,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:45:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:58,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-19 06:45:58,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:45:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-19 06:45:58,822 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:45:58,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515483763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:58,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 06:45:58,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 14 [2022-11-19 06:45:58,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76926662] [2022-11-19 06:45:58,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:58,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 06:45:58,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:58,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 06:45:58,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-19 06:45:58,826 INFO L87 Difference]: Start difference. First operand 372 states and 425 transitions. Second operand has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 06:45:59,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:59,215 INFO L93 Difference]: Finished difference Result 827 states and 957 transitions. [2022-11-19 06:45:59,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 06:45:59,216 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) Word has length 79 [2022-11-19 06:45:59,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:59,218 INFO L225 Difference]: With dead ends: 827 [2022-11-19 06:45:59,218 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 06:45:59,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2022-11-19 06:45:59,224 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 51 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:59,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 367 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:45:59,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 06:45:59,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 06:45:59,225 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 06:45:59,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 06:45:59,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2022-11-19 06:45:59,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:59,227 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 06:45:59,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 06:45:59,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 06:45:59,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 06:45:59,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 06:45:59,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:45:59,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:45:59,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 06:46:03,298 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 624 631) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (<= |old(~pumpRunning~0)| ~pumpRunning~0)) [2022-11-19 06:46:03,298 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed. [2022-11-19 06:46:03,298 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 531 537) no Hoare annotation was computed. [2022-11-19 06:46:03,298 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 531 537) the Hoare annotation is: true [2022-11-19 06:46:03,299 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 893 904) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1))) [2022-11-19 06:46:03,299 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 893 904) no Hoare annotation was computed. [2022-11-19 06:46:03,299 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 905 913) the Hoare annotation is: true [2022-11-19 06:46:03,299 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 905 913) no Hoare annotation was computed. [2022-11-19 06:46:03,299 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 767 796) no Hoare annotation was computed. [2022-11-19 06:46:03,299 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 767 796) the Hoare annotation is: true [2022-11-19 06:46:03,300 INFO L902 garLoopResultBuilder]: At program point L792(lines 767 796) the Hoare annotation is: true [2022-11-19 06:46:03,300 INFO L899 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2022-11-19 06:46:03,300 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 785) no Hoare annotation was computed. [2022-11-19 06:46:03,300 INFO L902 garLoopResultBuilder]: At program point L781-1(lines 781 785) the Hoare annotation is: true [2022-11-19 06:46:03,300 INFO L902 garLoopResultBuilder]: At program point L777-2(lines 777 791) the Hoare annotation is: true [2022-11-19 06:46:03,300 INFO L902 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: true [2022-11-19 06:46:03,300 INFO L899 garLoopResultBuilder]: For program point L773-1(line 773) no Hoare annotation was computed. [2022-11-19 06:46:03,301 INFO L895 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2) (or .cse1 (and (= |timeShift_processEnvironment_~tmp~6#1| ~methaneLevelCritical~0) (<= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2) (or (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2022-11-19 06:46:03,301 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= |timeShift_processEnvironment_~tmp~6#1| ~methaneLevelCritical~0) (not (= |timeShift_processEnvironment_~tmp~6#1| 0)) (<= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0))) [2022-11-19 06:46:03,301 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (= |timeShift_processEnvironment_~tmp~6#1| ~methaneLevelCritical~0)) (.cse9 (not .cse3))) (let ((.cse1 (and .cse8 .cse2 .cse9)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not .cse4))) (and (or .cse0 .cse1 (and .cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse5 (and (<= 1 ~pumpRunning~0) .cse6) .cse7 (and .cse8 .cse9) .cse3) (or .cse5 .cse7 .cse6 .cse10 .cse3) (or .cse7 .cse6 .cse0 .cse10 .cse3))))) [2022-11-19 06:46:03,302 INFO L899 garLoopResultBuilder]: For program point L742-1(line 742) no Hoare annotation was computed. [2022-11-19 06:46:03,302 INFO L895 garLoopResultBuilder]: At program point L610(line 610) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2022-11-19 06:46:03,302 INFO L895 garLoopResultBuilder]: At program point L610-1(lines 591 615) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (= |timeShift_processEnvironment_~tmp~6#1| ~methaneLevelCritical~0)) (.cse9 (not .cse3))) (let ((.cse1 (and .cse8 .cse2 .cse9)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not .cse4))) (and (or .cse0 .cse1 (and .cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse5 (and (<= 1 ~pumpRunning~0) .cse6) .cse7 (and .cse8 .cse9) .cse3) (or .cse5 .cse7 .cse6 .cse10 .cse3) (or .cse7 .cse6 .cse0 .cse10 .cse3))))) [2022-11-19 06:46:03,302 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 510 529) no Hoare annotation was computed. [2022-11-19 06:46:03,303 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 607) no Hoare annotation was computed. [2022-11-19 06:46:03,303 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2022-11-19 06:46:03,303 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 612) no Hoare annotation was computed. [2022-11-19 06:46:03,303 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 758) no Hoare annotation was computed. [2022-11-19 06:46:03,303 INFO L895 garLoopResultBuilder]: At program point L744(lines 744 761) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse9 (= |timeShift_processEnvironment_~tmp~6#1| ~methaneLevelCritical~0)) (.cse8 (not .cse3))) (let ((.cse2 (and .cse7 .cse9 .cse8)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not .cse0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (<= 1 ~pumpRunning~0) .cse5) .cse6 (and .cse7 .cse8) .cse3) (or (and .cse9 .cse10 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 .cse3) (or .cse4 .cse6 (and .cse5 .cse10) .cse11 .cse3) (or .cse6 .cse1 .cse11 .cse10 .cse3) (or .cse6 .cse5 .cse1 .cse11 .cse3))))) [2022-11-19 06:46:03,304 INFO L895 garLoopResultBuilder]: At program point L744-1(lines 736 764) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not .cse5)) (.cse7 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 (and .cse3 .cse4)) (let ((.cse6 (= |timeShift_processEnvironment_~tmp~6#1| ~methaneLevelCritical~0))) (or (and .cse4 .cse5 .cse6 .cse7 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse8 (and .cse3 .cse4 .cse6) .cse2)) (or .cse0 .cse1 (and .cse4 .cse7) .cse9 .cse2) (or .cse1 .cse8 .cse9 .cse7 .cse2)))) [2022-11-19 06:46:03,304 INFO L895 garLoopResultBuilder]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 (= ~methAndRunningLastTime~0 0) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse1))) [2022-11-19 06:46:03,304 INFO L895 garLoopResultBuilder]: At program point L637-1(line 637) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse2 (and (= |timeShift_isMethaneAlarm_#t~ret34#1| ~methaneLevelCritical~0) (<= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse0 (= ~methAndRunningLastTime~0 0) .cse2 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-11-19 06:46:03,304 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 507 530) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (and (= ~pumpRunning~0 0) .cse2)) (or .cse3 .cse1 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse2 .cse3 .cse1))) [2022-11-19 06:46:03,305 INFO L899 garLoopResultBuilder]: For program point L749(lines 749 755) no Hoare annotation was computed. [2022-11-19 06:46:03,305 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 507 530) no Hoare annotation was computed. [2022-11-19 06:46:03,305 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-19 06:46:03,305 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 518 524) no Hoare annotation was computed. [2022-11-19 06:46:03,305 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-11-19 06:46:03,305 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 93 99) no Hoare annotation was computed. [2022-11-19 06:46:03,305 INFO L902 garLoopResultBuilder]: At program point L122(lines 63 126) the Hoare annotation is: true [2022-11-19 06:46:03,306 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse7 (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 1))) (.cse3 (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5))) [2022-11-19 06:46:03,306 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 06:46:03,306 INFO L895 garLoopResultBuilder]: At program point L119(lines 72 120) the Hoare annotation is: false [2022-11-19 06:46:03,306 INFO L899 garLoopResultBuilder]: For program point L74(lines 73 118) no Hoare annotation was computed. [2022-11-19 06:46:03,306 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 06:46:03,307 INFO L895 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse7 (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 1))) (.cse3 (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5))) [2022-11-19 06:46:03,307 INFO L895 garLoopResultBuilder]: At program point L116(lines 73 118) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse7 (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 1))) (.cse3 (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5))) [2022-11-19 06:46:03,307 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2022-11-19 06:46:03,307 INFO L899 garLoopResultBuilder]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2022-11-19 06:46:03,307 INFO L895 garLoopResultBuilder]: At program point L852(lines 852 859) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~10#1| 1)) [2022-11-19 06:46:03,307 INFO L902 garLoopResultBuilder]: At program point L852-2(lines 852 859) the Hoare annotation is: true [2022-11-19 06:46:03,308 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 103 114) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse7 (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 1))) (.cse3 (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5))) [2022-11-19 06:46:03,308 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 539 563) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 06:46:03,308 INFO L895 garLoopResultBuilder]: At program point L543(lines 543 560) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 06:46:03,308 INFO L895 garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 06:46:03,309 INFO L899 garLoopResultBuilder]: For program point L558-1(lines 539 563) no Hoare annotation was computed. [2022-11-19 06:46:03,309 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 539 563) no Hoare annotation was computed. [2022-11-19 06:46:03,309 INFO L895 garLoopResultBuilder]: At program point L553(line 553) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 06:46:03,309 INFO L895 garLoopResultBuilder]: At program point L547(lines 547 555) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 06:46:03,309 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 881 892) no Hoare annotation was computed. [2022-11-19 06:46:03,309 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 881 892) the Hoare annotation is: true [2022-11-19 06:46:03,310 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 565 589) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 06:46:03,310 INFO L895 garLoopResultBuilder]: At program point L579(line 579) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 06:46:03,310 INFO L895 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 06:46:03,310 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 565 589) no Hoare annotation was computed. [2022-11-19 06:46:03,310 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 581) no Hoare annotation was computed. [2022-11-19 06:46:03,311 INFO L895 garLoopResultBuilder]: At program point L569(lines 569 586) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 06:46:03,312 INFO L895 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-19 06:46:03,313 INFO L899 garLoopResultBuilder]: For program point L584-1(lines 565 589) no Hoare annotation was computed. [2022-11-19 06:46:03,316 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:03,319 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:46:03,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:46:03 BoogieIcfgContainer [2022-11-19 06:46:03,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:46:03,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:46:03,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:46:03,349 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:46:03,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:41" (3/4) ... [2022-11-19 06:46:03,353 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 06:46:03,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-19 06:46:03,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-19 06:46:03,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-19 06:46:03,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-19 06:46:03,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-19 06:46:03,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-19 06:46:03,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-19 06:46:03,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-19 06:46:03,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-19 06:46:03,369 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-11-19 06:46:03,370 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-19 06:46:03,370 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 06:46:03,371 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:46:03,371 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:46:03,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && splverifierCounter == 0) && !(0 == systemActive)) || ((((1 <= pumpRunning && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == systemActive) && splverifierCounter == 0) && !(0 == systemActive))) || ((((1 <= pumpRunning && methaneLevelCritical == 0) && tmp == systemActive) && splverifierCounter == 0) && !(0 == systemActive))) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == systemActive) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-19 06:46:03,398 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || 0 == systemActive) || (pumpRunning == 0 && methAndRunningLastTime == 0)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || \old(pumpRunning) <= pumpRunning)) && (((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || 0 == systemActive) [2022-11-19 06:46:03,398 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && tmp == methaneLevelCritical) && !(0 == systemActive))) || (tmp == methaneLevelCritical && \old(pumpRunning) <= pumpRunning)) || 0 == systemActive) && (((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && tmp == methaneLevelCritical) && !(0 == systemActive))) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && methAndRunningLastTime == 0)) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-19 06:46:03,399 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || \old(pumpRunning) <= pumpRunning) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-19 06:46:03,399 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && tmp == methaneLevelCritical) && !(0 == systemActive))) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && methAndRunningLastTime == 0)) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive)) && (((((tmp == methaneLevelCritical && tmp == 0) && \old(pumpRunning) <= pumpRunning) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && tmp == methaneLevelCritical) && !(0 == systemActive))) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-19 06:46:03,400 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || 0 == systemActive) && ((!(1 <= \old(pumpRunning)) || (aux-isMethaneLevelCritical()-aux == methaneLevelCritical && \old(pumpRunning) <= pumpRunning)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-19 06:46:03,400 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || \old(pumpRunning) <= pumpRunning) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-19 06:46:03,400 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || 0 == systemActive) || (pumpRunning == 0 && methAndRunningLastTime == 0)) && (((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && tmp == 0) && \old(pumpRunning) <= pumpRunning) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) [2022-11-19 06:46:03,401 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || 0 == systemActive) && (!(1 <= \old(pumpRunning)) || 0 == systemActive) [2022-11-19 06:46:03,401 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-19 06:46:03,434 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 06:46:03,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:46:03,436 INFO L158 Benchmark]: Toolchain (without parser) took 23661.40ms. Allocated memory was 136.3MB in the beginning and 262.1MB in the end (delta: 125.8MB). Free memory was 95.6MB in the beginning and 192.1MB in the end (delta: -96.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-11-19 06:46:03,437 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 136.3MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:46:03,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.34ms. Allocated memory is still 136.3MB. Free memory was 95.3MB in the beginning and 101.9MB in the end (delta: -6.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 06:46:03,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.98ms. Allocated memory is still 136.3MB. Free memory was 101.9MB in the beginning and 99.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:46:03,438 INFO L158 Benchmark]: Boogie Preprocessor took 34.91ms. Allocated memory is still 136.3MB. Free memory was 99.8MB in the beginning and 98.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:46:03,438 INFO L158 Benchmark]: RCFGBuilder took 889.39ms. Allocated memory is still 136.3MB. Free memory was 98.3MB in the beginning and 72.2MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-19 06:46:03,439 INFO L158 Benchmark]: TraceAbstraction took 21859.59ms. Allocated memory was 136.3MB in the beginning and 262.1MB in the end (delta: 125.8MB). Free memory was 71.6MB in the beginning and 198.4MB in the end (delta: -126.7MB). Peak memory consumption was 119.2MB. Max. memory is 16.1GB. [2022-11-19 06:46:03,439 INFO L158 Benchmark]: Witness Printer took 86.56ms. Allocated memory is still 262.1MB. Free memory was 198.4MB in the beginning and 192.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 06:46:03,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 136.3MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.34ms. Allocated memory is still 136.3MB. Free memory was 95.3MB in the beginning and 101.9MB in the end (delta: -6.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.98ms. Allocated memory is still 136.3MB. Free memory was 101.9MB in the beginning and 99.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.91ms. Allocated memory is still 136.3MB. Free memory was 99.8MB in the beginning and 98.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 889.39ms. Allocated memory is still 136.3MB. Free memory was 98.3MB in the beginning and 72.2MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 21859.59ms. Allocated memory was 136.3MB in the beginning and 262.1MB in the end (delta: 125.8MB). Free memory was 71.6MB in the beginning and 198.4MB in the end (delta: -126.7MB). Peak memory consumption was 119.2MB. Max. memory is 16.1GB. * Witness Printer took 86.56ms. Allocated memory is still 262.1MB. Free memory was 198.4MB in the beginning and 192.1MB 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: 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, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 902 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 885 mSDsluCounter, 1561 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 992 mSDsCounter, 360 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1965 IncrementalHoareTripleChecker+Invalid, 2325 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 360 mSolverCounterUnsat, 569 mSDtfsCounter, 1965 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 404 GetRequests, 289 SyntacticMatches, 11 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1662 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=8, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 44 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 932 PreInvPairs, 1057 NumberOfFragments, 1432 HoareAnnotationTreeSize, 932 FomulaSimplifications, 207 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 40 FomulaSimplificationsInter, 7286 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 523 NumberOfCodeBlocks, 523 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 584 ConstructedInterpolants, 0 QuantifiedInterpolants, 1088 SizeOfPredicates, 8 NumberOfNonLiveVariables, 675 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 169/192 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: 637]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || 0 == systemActive) && ((!(1 <= \old(pumpRunning)) || (aux-isMethaneLevelCritical()-aux == methaneLevelCritical && \old(pumpRunning) <= pumpRunning)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || 0 == systemActive) && (!(1 <= \old(pumpRunning)) || 0 == systemActive) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || 0 == systemActive) || (pumpRunning == 0 && methAndRunningLastTime == 0)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || \old(pumpRunning) <= pumpRunning)) && (((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || 0 == systemActive) - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: ((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: ((((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && tmp == methaneLevelCritical) && !(0 == systemActive))) || (tmp == methaneLevelCritical && \old(pumpRunning) <= pumpRunning)) || 0 == systemActive) && (((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && tmp == methaneLevelCritical) && !(0 == systemActive))) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && methAndRunningLastTime == 0)) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || \old(pumpRunning) <= pumpRunning) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || 0 == systemActive) || (pumpRunning == 0 && methAndRunningLastTime == 0)) && (((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && tmp == 0) && \old(pumpRunning) <= pumpRunning) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && splverifierCounter == 0) && !(0 == systemActive)) || ((((1 <= pumpRunning && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == systemActive) && splverifierCounter == 0) && !(0 == systemActive))) || ((((1 <= pumpRunning && methaneLevelCritical == 0) && tmp == systemActive) && splverifierCounter == 0) && !(0 == systemActive))) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == systemActive) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && tmp == 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || \old(pumpRunning) <= pumpRunning) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && tmp == methaneLevelCritical) && !(0 == systemActive))) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && methAndRunningLastTime == 0)) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive)) && (((((tmp == methaneLevelCritical && tmp == 0) && \old(pumpRunning) <= pumpRunning) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && tmp == methaneLevelCritical) && !(0 == systemActive))) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-19 06:46:03,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19426ea9-6cf2-4183-be9e-854107cd7a51/bin/utaipan-I9t0OCRTmS/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