./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product10.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_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/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_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/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_85588afd-a91f-41e8-a8a9-79a6314a1afd/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 4dae96e0c4eed470a791b2d8d52884fccffefaebe65a821ad8af6206bc44af61 --- 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 06:46:04,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:46:04,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:46:04,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:46:04,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:46:04,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:46:04,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:46:04,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:46:04,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:46:04,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:46:04,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:46:04,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:46:04,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:46:04,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:46:04,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:46:04,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:46:04,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:46:04,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:46:04,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:46:04,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:46:04,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:46:04,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:46:04,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:46:04,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:46:04,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:46:04,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:46:04,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:46:04,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:46:04,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:46:04,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:46:04,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:46:04,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:46:04,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:46:04,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:46:04,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:46:04,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:46:04,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:46:04,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:46:04,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:46:04,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:46:04,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:46:04,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 06:46:04,221 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:46:04,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:46:04,222 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:46:04,222 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:46:04,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:46:04,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:46:04,224 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:46:04,224 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:46:04,224 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:46:04,225 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:46:04,225 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:46:04,225 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:46:04,226 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:46:04,226 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:46:04,226 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:46:04,227 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:46:04,227 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:46:04,227 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:46:04,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:46:04,228 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:46:04,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:46:04,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:46:04,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:46:04,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:46:04,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:46:04,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:46:04,231 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:46:04,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:46:04,231 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:46:04,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:46:04,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:46:04,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:46:04,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:46:04,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:46:04,233 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:46:04,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:46:04,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:46:04,234 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:46:04,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:46:04,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:46:04,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:46:04,235 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_85588afd-a91f-41e8-a8a9-79a6314a1afd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dae96e0c4eed470a791b2d8d52884fccffefaebe65a821ad8af6206bc44af61 [2022-11-19 06:46:04,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:46:04,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:46:04,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:46:04,628 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:46:04,629 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:46:04,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2022-11-19 06:46:04,733 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS/data/22e7d935c/157d43ebebcd49d285a86d07fad0ceb9/FLAGa42400b6f [2022-11-19 06:46:05,476 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:46:05,477 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2022-11-19 06:46:05,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS/data/22e7d935c/157d43ebebcd49d285a86d07fad0ceb9/FLAGa42400b6f [2022-11-19 06:46:05,740 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS/data/22e7d935c/157d43ebebcd49d285a86d07fad0ceb9 [2022-11-19 06:46:05,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:46:05,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:46:05,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:46:05,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:46:05,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:46:05,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:46:05" (1/1) ... [2022-11-19 06:46:05,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683f2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:05, skipping insertion in model container [2022-11-19 06:46:05,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:46:05" (1/1) ... [2022-11-19 06:46:05,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:46:05,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:46:06,047 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_85588afd-a91f-41e8-a8a9-79a6314a1afd/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c[1605,1618] [2022-11-19 06:46:06,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:46:06,281 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:46:06,297 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_85588afd-a91f-41e8-a8a9-79a6314a1afd/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c[1605,1618] [2022-11-19 06:46:06,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:46:06,370 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:46:06,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:06 WrapperNode [2022-11-19 06:46:06,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:46:06,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:46:06,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:46:06,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:46:06,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:06" (1/1) ... [2022-11-19 06:46:06,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:06" (1/1) ... [2022-11-19 06:46:06,458 INFO L138 Inliner]: procedures = 52, calls = 92, calls flagged for inlining = 20, calls inlined = 15, statements flattened = 135 [2022-11-19 06:46:06,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:46:06,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:46:06,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:46:06,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:46:06,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:06" (1/1) ... [2022-11-19 06:46:06,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:06" (1/1) ... [2022-11-19 06:46:06,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:06" (1/1) ... [2022-11-19 06:46:06,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:06" (1/1) ... [2022-11-19 06:46:06,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:06" (1/1) ... [2022-11-19 06:46:06,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:06" (1/1) ... [2022-11-19 06:46:06,524 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:06" (1/1) ... [2022-11-19 06:46:06,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:06" (1/1) ... [2022-11-19 06:46:06,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:46:06,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:46:06,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:46:06,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:46:06,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:06" (1/1) ... [2022-11-19 06:46:06,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:46:06,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:06,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:46:06,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:46:06,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:46:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-19 06:46:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-19 06:46:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-19 06:46:06,640 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-19 06:46:06,640 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-19 06:46:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-19 06:46:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-19 06:46:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-19 06:46:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:46:06,641 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-19 06:46:06,641 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-19 06:46:06,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:46:06,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:46:06,756 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:46:06,759 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:46:07,038 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:46:07,163 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:46:07,163 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 06:46:07,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:46:07 BoogieIcfgContainer [2022-11-19 06:46:07,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:46:07,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:46:07,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:46:07,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:46:07,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:46:05" (1/3) ... [2022-11-19 06:46:07,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c724e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:46:07, skipping insertion in model container [2022-11-19 06:46:07,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:06" (2/3) ... [2022-11-19 06:46:07,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c724e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:46:07, skipping insertion in model container [2022-11-19 06:46:07,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:46:07" (3/3) ... [2022-11-19 06:46:07,184 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2022-11-19 06:46:07,209 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:46:07,210 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:46:07,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:46:07,308 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;@27c531a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:46:07,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:46:07,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 30 states have internal predecessors, (37), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-19 06:46:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 06:46:07,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:07,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:07,326 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:07,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:07,332 INFO L85 PathProgramCache]: Analyzing trace with hash 4346564, now seen corresponding path program 1 times [2022-11-19 06:46:07,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:07,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690103328] [2022-11-19 06:46:07,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:07,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:07,553 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 06:46:07,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:07,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690103328] [2022-11-19 06:46:07,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690103328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:07,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:07,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:46:07,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599742434] [2022-11-19 06:46:07,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:07,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:46:07,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:07,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:46:07,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:46:07,606 INFO L87 Difference]: Start difference. First operand has 40 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 30 states have internal predecessors, (37), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 06:46:07,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:07,716 INFO L93 Difference]: Finished difference Result 78 states and 103 transitions. [2022-11-19 06:46:07,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:46:07,719 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 15 [2022-11-19 06:46:07,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:07,729 INFO L225 Difference]: With dead ends: 78 [2022-11-19 06:46:07,729 INFO L226 Difference]: Without dead ends: 35 [2022-11-19 06:46:07,733 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 06:46:07,737 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:07,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:46:07,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-19 06:46:07,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-19 06:46:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 26 states have internal predecessors, (29), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-19 06:46:07,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2022-11-19 06:46:07,787 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 15 [2022-11-19 06:46:07,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:07,788 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2022-11-19 06:46:07,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 06:46:07,788 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-19 06:46:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 06:46:07,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:07,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:07,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:46:07,792 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:07,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:07,793 INFO L85 PathProgramCache]: Analyzing trace with hash -992048755, now seen corresponding path program 1 times [2022-11-19 06:46:07,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:07,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284414375] [2022-11-19 06:46:07,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:07,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:08,008 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 06:46:08,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:08,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284414375] [2022-11-19 06:46:08,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284414375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:08,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:08,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:08,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133041907] [2022-11-19 06:46:08,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:08,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:08,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:08,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:08,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:08,014 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 06:46:08,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:08,051 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2022-11-19 06:46:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:08,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 16 [2022-11-19 06:46:08,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:08,054 INFO L225 Difference]: With dead ends: 47 [2022-11-19 06:46:08,054 INFO L226 Difference]: Without dead ends: 27 [2022-11-19 06:46:08,055 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 06:46:08,056 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 7 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:08,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 33 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:46:08,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-19 06:46:08,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-19 06:46:08,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 06:46:08,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-11-19 06:46:08,065 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 16 [2022-11-19 06:46:08,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:08,066 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-11-19 06:46:08,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 06:46:08,066 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-11-19 06:46:08,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 06:46:08,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:08,068 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 06:46:08,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:46:08,069 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:08,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:08,070 INFO L85 PathProgramCache]: Analyzing trace with hash -132094468, now seen corresponding path program 1 times [2022-11-19 06:46:08,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:08,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137732777] [2022-11-19 06:46:08,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:08,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:08,385 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 06:46:08,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:08,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137732777] [2022-11-19 06:46:08,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137732777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:08,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:08,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:46:08,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774281387] [2022-11-19 06:46:08,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:08,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:46:08,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:08,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:46:08,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:46:08,390 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 1 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 06:46:08,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:08,518 INFO L93 Difference]: Finished difference Result 74 states and 87 transitions. [2022-11-19 06:46:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:46:08,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 1 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 18 [2022-11-19 06:46:08,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:08,522 INFO L225 Difference]: With dead ends: 74 [2022-11-19 06:46:08,523 INFO L226 Difference]: Without dead ends: 49 [2022-11-19 06:46:08,523 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 06:46:08,525 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 14 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:08,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 103 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:46:08,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-19 06:46:08,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2022-11-19 06:46:08,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 34 states have internal predecessors, (37), 7 states have call successors, (7), 7 states have call predecessors, (7), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-19 06:46:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2022-11-19 06:46:08,546 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 18 [2022-11-19 06:46:08,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:08,546 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2022-11-19 06:46:08,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 1 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 06:46:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2022-11-19 06:46:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-19 06:46:08,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:08,548 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] [2022-11-19 06:46:08,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:46:08,548 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:08,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:08,549 INFO L85 PathProgramCache]: Analyzing trace with hash -2089971518, now seen corresponding path program 1 times [2022-11-19 06:46:08,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:08,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390349124] [2022-11-19 06:46:08,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:08,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:08,702 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 06:46:08,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:08,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390349124] [2022-11-19 06:46:08,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390349124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:08,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:08,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:08,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041116833] [2022-11-19 06:46:08,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:08,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:08,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:08,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:08,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:08,707 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:46:08,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:08,771 INFO L93 Difference]: Finished difference Result 70 states and 82 transitions. [2022-11-19 06:46:08,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:08,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-19 06:46:08,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:08,774 INFO L225 Difference]: With dead ends: 70 [2022-11-19 06:46:08,774 INFO L226 Difference]: Without dead ends: 68 [2022-11-19 06:46:08,774 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 06:46:08,776 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 12 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:08,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 42 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:46:08,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-19 06:46:08,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-19 06:46:08,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 51 states have internal predecessors, (56), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-19 06:46:08,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2022-11-19 06:46:08,791 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 21 [2022-11-19 06:46:08,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:08,792 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2022-11-19 06:46:08,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 06:46:08,793 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2022-11-19 06:46:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-19 06:46:08,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:08,794 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:46:08,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:46:08,795 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:08,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:08,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1504480640, now seen corresponding path program 1 times [2022-11-19 06:46:08,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:08,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827886911] [2022-11-19 06:46:08,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:08,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:08,981 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:46:08,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:08,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827886911] [2022-11-19 06:46:08,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827886911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:08,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:08,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:46:08,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181537501] [2022-11-19 06:46:08,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:08,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:46:08,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:08,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:46:08,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:46:08,985 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-19 06:46:09,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:09,100 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2022-11-19 06:46:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:46:09,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 38 [2022-11-19 06:46:09,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:09,102 INFO L225 Difference]: With dead ends: 92 [2022-11-19 06:46:09,102 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 06:46:09,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:46:09,109 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 20 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:09,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 33 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:46:09,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 06:46:09,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 06:46:09,112 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 06:46:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 06:46:09,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-11-19 06:46:09,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:09,119 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 06:46:09,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-19 06:46:09,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 06:46:09,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 06:46:09,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 06:46:09,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:46:09,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 06:46:09,516 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 91 102) the Hoare annotation is: true [2022-11-19 06:46:09,516 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 91 102) no Hoare annotation was computed. [2022-11-19 06:46:09,517 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 797 826) no Hoare annotation was computed. [2022-11-19 06:46:09,517 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 797 826) the Hoare annotation is: true [2022-11-19 06:46:09,518 INFO L902 garLoopResultBuilder]: At program point L822(lines 797 826) the Hoare annotation is: true [2022-11-19 06:46:09,518 INFO L899 garLoopResultBuilder]: For program point L818(line 818) no Hoare annotation was computed. [2022-11-19 06:46:09,518 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 815) no Hoare annotation was computed. [2022-11-19 06:46:09,518 INFO L902 garLoopResultBuilder]: At program point L811-1(lines 811 815) the Hoare annotation is: true [2022-11-19 06:46:09,519 INFO L902 garLoopResultBuilder]: At program point L807-2(lines 807 821) the Hoare annotation is: true [2022-11-19 06:46:09,519 INFO L902 garLoopResultBuilder]: At program point L803(line 803) the Hoare annotation is: true [2022-11-19 06:46:09,519 INFO L899 garLoopResultBuilder]: For program point L803-1(line 803) no Hoare annotation was computed. [2022-11-19 06:46:09,520 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (or (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2022-11-19 06:46:09,521 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 785) no Hoare annotation was computed. [2022-11-19 06:46:09,521 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 627 650) the Hoare annotation is: (or (not (= |old(~methAndRunningLastTime~0)| 0)) (= ~methAndRunningLastTime~0 0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2022-11-19 06:46:09,522 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 627 650) no Hoare annotation was computed. [2022-11-19 06:46:09,522 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 788) no Hoare annotation was computed. [2022-11-19 06:46:09,523 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-19 06:46:09,523 INFO L895 garLoopResultBuilder]: At program point L774(lines 774 791) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (<= 0 ~pumpRunning~0))) (.cse2 (not (<= ~pumpRunning~0 0)))) (and (or .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| 0) .cse1 .cse2))) [2022-11-19 06:46:09,524 INFO L895 garLoopResultBuilder]: At program point L774-1(lines 766 794) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (<= 0 ~pumpRunning~0))) (.cse2 (not (<= ~pumpRunning~0 0)))) (and (or .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| 0) .cse1 .cse2))) [2022-11-19 06:46:09,524 INFO L895 garLoopResultBuilder]: At program point L772(line 772) the Hoare annotation is: (or (not (= |old(~methAndRunningLastTime~0)| 0)) (= ~methAndRunningLastTime~0 0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2022-11-19 06:46:09,524 INFO L899 garLoopResultBuilder]: For program point L772-1(line 772) no Hoare annotation was computed. [2022-11-19 06:46:09,525 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 103 111) the Hoare annotation is: true [2022-11-19 06:46:09,525 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 103 111) no Hoare annotation was computed. [2022-11-19 06:46:09,525 INFO L899 garLoopResultBuilder]: For program point L572(lines 572 578) no Hoare annotation was computed. [2022-11-19 06:46:09,525 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2022-11-19 06:46:09,526 INFO L895 garLoopResultBuilder]: At program point L610(lines 561 611) the Hoare annotation is: false [2022-11-19 06:46:09,526 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 06:46:09,526 INFO L895 garLoopResultBuilder]: At program point L879(lines 879 886) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (<= 0 ~pumpRunning~0)) [2022-11-19 06:46:09,527 INFO L902 garLoopResultBuilder]: At program point L879-2(lines 879 886) the Hoare annotation is: true [2022-11-19 06:46:09,527 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 588) no Hoare annotation was computed. [2022-11-19 06:46:09,527 INFO L895 garLoopResultBuilder]: At program point L582-1(lines 582 588) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-11-19 06:46:09,528 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 06:46:09,528 INFO L895 garLoopResultBuilder]: At program point L607(lines 562 609) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-11-19 06:46:09,528 INFO L895 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-11-19 06:46:09,528 INFO L895 garLoopResultBuilder]: At program point L600-2(lines 592 605) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-11-19 06:46:09,529 INFO L899 garLoopResultBuilder]: For program point L563(lines 562 609) no Hoare annotation was computed. [2022-11-19 06:46:09,529 INFO L895 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-11-19 06:46:09,534 INFO L902 garLoopResultBuilder]: At program point L613(lines 552 617) the Hoare annotation is: true [2022-11-19 06:46:09,534 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 79 90) no Hoare annotation was computed. [2022-11-19 06:46:09,535 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 79 90) the Hoare annotation is: true [2022-11-19 06:46:09,542 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-19 06:46:09,544 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:46:09,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:46:09 BoogieIcfgContainer [2022-11-19 06:46:09,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:46:09,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:46:09,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:46:09,593 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:46:09,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:46:07" (3/4) ... [2022-11-19 06:46:09,597 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 06:46:09,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-19 06:46:09,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-19 06:46:09,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-19 06:46:09,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-19 06:46:09,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-19 06:46:09,613 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2022-11-19 06:46:09,614 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-19 06:46:09,615 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 06:46:09,615 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:46:09,616 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:46:09,649 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(0 <= pumpRunning)) || !(pumpRunning <= 0) [2022-11-19 06:46:09,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(0 <= pumpRunning)) || !(pumpRunning <= 0)) && ((((!(\old(methAndRunningLastTime) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || !(0 <= pumpRunning)) || !(pumpRunning <= 0)) [2022-11-19 06:46:09,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(0 <= pumpRunning)) || !(pumpRunning <= 0)) && ((((!(\old(methAndRunningLastTime) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || !(0 <= pumpRunning)) || !(pumpRunning <= 0)) [2022-11-19 06:46:09,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(methAndRunningLastTime) == 0) || !(0 <= pumpRunning)) || !(pumpRunning <= 0) [2022-11-19 06:46:09,689 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 06:46:09,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:46:09,690 INFO L158 Benchmark]: Toolchain (without parser) took 3942.61ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 87.0MB in the beginning and 95.5MB in the end (delta: -8.5MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2022-11-19 06:46:09,691 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory was 40.7MB in the beginning and 40.7MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:46:09,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.28ms. Allocated memory is still 121.6MB. Free memory was 86.8MB in the beginning and 88.7MB in the end (delta: -1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 06:46:09,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.23ms. Allocated memory is still 121.6MB. Free memory was 88.1MB in the beginning and 86.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:46:09,692 INFO L158 Benchmark]: Boogie Preprocessor took 72.11ms. Allocated memory is still 121.6MB. Free memory was 86.5MB in the beginning and 85.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:46:09,693 INFO L158 Benchmark]: RCFGBuilder took 633.76ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 65.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-19 06:46:09,694 INFO L158 Benchmark]: TraceAbstraction took 2422.37ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 64.8MB in the beginning and 99.7MB in the end (delta: -34.9MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-11-19 06:46:09,694 INFO L158 Benchmark]: Witness Printer took 96.80ms. Allocated memory is still 159.4MB. Free memory was 99.7MB in the beginning and 95.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 06:46:09,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory was 40.7MB in the beginning and 40.7MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.28ms. Allocated memory is still 121.6MB. Free memory was 86.8MB in the beginning and 88.7MB in the end (delta: -1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.23ms. Allocated memory is still 121.6MB. Free memory was 88.1MB in the beginning and 86.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.11ms. Allocated memory is still 121.6MB. Free memory was 86.5MB in the beginning and 85.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 633.76ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 65.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2422.37ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 64.8MB in the beginning and 99.7MB in the end (delta: -34.9MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 96.80ms. Allocated memory is still 159.4MB. Free memory was 99.7MB in the beginning and 95.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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 6 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 246 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 166 IncrementalHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 120 mSDtfsCounter, 166 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 88 PreInvPairs, 103 NumberOfFragments, 209 HoareAnnotationTreeSize, 88 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 343 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(\old(methAndRunningLastTime) == 0) || !(0 <= pumpRunning)) || !(pumpRunning <= 0) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: ((pumpRunning <= 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 0 <= pumpRunning - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: ((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(0 <= pumpRunning)) || !(pumpRunning <= 0) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(0 <= pumpRunning)) || !(pumpRunning <= 0)) && ((((!(\old(methAndRunningLastTime) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || !(0 <= pumpRunning)) || !(pumpRunning <= 0)) - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(0 <= pumpRunning)) || !(pumpRunning <= 0)) && ((((!(\old(methAndRunningLastTime) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || !(0 <= pumpRunning)) || !(pumpRunning <= 0)) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((pumpRunning <= 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && 0 <= pumpRunning - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: ((pumpRunning <= 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && 0 <= pumpRunning - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-19 06:46:09,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85588afd-a91f-41e8-a8a9-79a6314a1afd/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE