./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:31:08,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:31:08,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:31:08,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:31:08,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:31:08,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:31:08,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:31:08,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:31:08,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:31:08,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:31:08,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:31:08,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:31:08,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:31:08,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:31:08,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:31:08,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:31:08,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:31:08,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:31:08,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:31:08,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:31:08,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:31:08,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:31:08,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:31:08,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:31:08,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:31:08,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:31:08,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:31:08,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:31:08,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:31:08,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:31:08,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:31:08,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:31:08,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:31:08,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:31:08,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:31:08,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:31:08,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:31:08,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:31:08,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:31:08,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:31:08,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:31:08,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:31:08,409 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:31:08,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:31:08,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:31:08,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:31:08,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:31:08,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:31:08,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:31:08,416 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:31:08,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:31:08,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:31:08,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:31:08,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:31:08,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:31:08,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:31:08,419 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:31:08,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:31:08,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:31:08,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:31:08,420 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:31:08,420 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:31:08,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:31:08,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:08,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:31:08,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:31:08,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:31:08,421 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:31:08,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:31:08,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:31:08,422 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_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 [2021-11-23 00:31:08,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:31:08,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:31:08,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:31:08,758 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:31:08,763 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:31:08,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2021-11-23 00:31:08,850 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/data/061768dfd/ffaa601cb2f64f21b97bb68cfa6a37b2/FLAGb433a1188 [2021-11-23 00:31:09,459 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:31:09,460 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2021-11-23 00:31:09,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/data/061768dfd/ffaa601cb2f64f21b97bb68cfa6a37b2/FLAGb433a1188 [2021-11-23 00:31:09,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/data/061768dfd/ffaa601cb2f64f21b97bb68cfa6a37b2 [2021-11-23 00:31:09,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:31:09,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:31:09,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:09,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:31:09,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:31:09,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:09" (1/1) ... [2021-11-23 00:31:09,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f904578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:09, skipping insertion in model container [2021-11-23 00:31:09,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:09" (1/1) ... [2021-11-23 00:31:09,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:31:09,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:31:10,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2021-11-23 00:31:10,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:10,191 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:31:10,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2021-11-23 00:31:10,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:10,277 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:31:10,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:10 WrapperNode [2021-11-23 00:31:10,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:10,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:10,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:31:10,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:31:10,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:10" (1/1) ... [2021-11-23 00:31:10,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:10" (1/1) ... [2021-11-23 00:31:10,349 INFO L137 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 203 [2021-11-23 00:31:10,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:10,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:31:10,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:31:10,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:31:10,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:10" (1/1) ... [2021-11-23 00:31:10,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:10" (1/1) ... [2021-11-23 00:31:10,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:10" (1/1) ... [2021-11-23 00:31:10,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:10" (1/1) ... [2021-11-23 00:31:10,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:10" (1/1) ... [2021-11-23 00:31:10,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:10" (1/1) ... [2021-11-23 00:31:10,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:10" (1/1) ... [2021-11-23 00:31:10,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:31:10,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:31:10,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:31:10,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:31:10,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:10" (1/1) ... [2021-11-23 00:31:10,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:10,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:31:10,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:31:10,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:31:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:31:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:31:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:31:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:31:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:31:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:31:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:31:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:31:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:31:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:31:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:31:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 00:31:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 00:31:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:31:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:31:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:31:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:31:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:31:10,537 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:31:10,539 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:31:10,792 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:31:10,928 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:31:10,928 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:31:10,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:10 BoogieIcfgContainer [2021-11-23 00:31:10,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:31:10,932 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:31:10,932 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:31:10,942 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:31:10,942 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:10" (1/1) ... [2021-11-23 00:31:10,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:31:11,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2021-11-23 00:31:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2021-11-23 00:31:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:31:11,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:11,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:11,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 55 states and 69 transitions. [2021-11-23 00:31:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2021-11-23 00:31:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:31:11,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:11,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:11,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:11,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:11,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2021-11-23 00:31:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2021-11-23 00:31:11,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:31:11,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:11,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:11,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:11,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:11,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 66 states and 89 transitions. [2021-11-23 00:31:11,810 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2021-11-23 00:31:11,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:31:11,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:11,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:11,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:12,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:12,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 82 states and 122 transitions. [2021-11-23 00:31:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2021-11-23 00:31:12,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:31:12,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:12,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 96 states and 155 transitions. [2021-11-23 00:31:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 155 transitions. [2021-11-23 00:31:13,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:31:13,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:13,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:13,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:13,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:13,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 157 transitions. [2021-11-23 00:31:13,439 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2021-11-23 00:31:13,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:31:13,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:13,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:13,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 107 states and 179 transitions. [2021-11-23 00:31:13,612 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2021-11-23 00:31:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:31:13,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:13,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:13,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:13,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 113 states and 194 transitions. [2021-11-23 00:31:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 194 transitions. [2021-11-23 00:31:13,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:31:13,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:13,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:13,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:13,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 114 states and 194 transitions. [2021-11-23 00:31:13,919 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 194 transitions. [2021-11-23 00:31:13,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:31:13,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:13,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:13,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:14,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2021-11-23 00:31:14,040 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2021-11-23 00:31:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:31:14,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:14,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:14,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:14,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 117 states and 198 transitions. [2021-11-23 00:31:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 198 transitions. [2021-11-23 00:31:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:31:14,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:14,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 127 states and 223 transitions. [2021-11-23 00:31:14,858 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 223 transitions. [2021-11-23 00:31:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:31:14,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:14,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:15,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:15,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 129 states and 233 transitions. [2021-11-23 00:31:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 233 transitions. [2021-11-23 00:31:15,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:31:15,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:15,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:15,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:15,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 130 states and 234 transitions. [2021-11-23 00:31:15,181 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 234 transitions. [2021-11-23 00:31:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:31:15,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:15,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:15,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 134 states and 243 transitions. [2021-11-23 00:31:15,471 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 243 transitions. [2021-11-23 00:31:15,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:31:15,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:15,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:15,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:15,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:15,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 135 states and 244 transitions. [2021-11-23 00:31:15,532 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 244 transitions. [2021-11-23 00:31:15,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:31:15,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:15,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:15,829 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:31:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:16,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 140 states and 260 transitions. [2021-11-23 00:31:16,893 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 260 transitions. [2021-11-23 00:31:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:31:16,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:16,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:16,926 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:17,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 146 states and 276 transitions. [2021-11-23 00:31:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 276 transitions. [2021-11-23 00:31:17,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:31:17,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:17,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:17,561 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 283 transitions. [2021-11-23 00:31:17,768 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 283 transitions. [2021-11-23 00:31:17,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:31:17,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:17,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:17,793 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:17,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:17,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 149 states and 284 transitions. [2021-11-23 00:31:17,810 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 284 transitions. [2021-11-23 00:31:17,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:31:17,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:17,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:18,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:18,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 157 states and 302 transitions. [2021-11-23 00:31:18,341 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 302 transitions. [2021-11-23 00:31:18,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:31:18,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:18,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:18,365 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:18,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 159 states and 306 transitions. [2021-11-23 00:31:18,561 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 306 transitions. [2021-11-23 00:31:18,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:31:18,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:18,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:31:18,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:18,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 162 states and 309 transitions. [2021-11-23 00:31:18,782 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 309 transitions. [2021-11-23 00:31:18,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:31:18,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:18,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:18,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:18,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 164 states and 315 transitions. [2021-11-23 00:31:18,861 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 315 transitions. [2021-11-23 00:31:18,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:31:18,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:18,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 167 states and 320 transitions. [2021-11-23 00:31:18,928 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 320 transitions. [2021-11-23 00:31:18,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:31:18,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:18,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:19,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 170 states and 324 transitions. [2021-11-23 00:31:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 324 transitions. [2021-11-23 00:31:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:31:19,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:19,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:19,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 172 states and 331 transitions. [2021-11-23 00:31:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 331 transitions. [2021-11-23 00:31:19,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:31:19,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:19,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:31:21,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:21,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 181 states and 348 transitions. [2021-11-23 00:31:21,178 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 348 transitions. [2021-11-23 00:31:21,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:31:21,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:21,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:21,205 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:31:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:21,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 181 states and 346 transitions. [2021-11-23 00:31:21,622 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 346 transitions. [2021-11-23 00:31:21,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:31:21,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:21,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:21,649 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:31:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 181 states and 345 transitions. [2021-11-23 00:31:22,119 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 345 transitions. [2021-11-23 00:31:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:31:22,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:22,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:31:22,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:22,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 177 states and 332 transitions. [2021-11-23 00:31:22,170 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 332 transitions. [2021-11-23 00:31:22,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:31:22,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:22,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:31:23,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:23,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 180 states and 349 transitions. [2021-11-23 00:31:23,205 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 349 transitions. [2021-11-23 00:31:23,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:31:23,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:23,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:31:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 184 states and 356 transitions. [2021-11-23 00:31:23,821 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 356 transitions. [2021-11-23 00:31:23,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:31:23,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:23,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:31:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:24,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 188 states and 361 transitions. [2021-11-23 00:31:24,462 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 361 transitions. [2021-11-23 00:31:24,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:31:24,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:24,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:31:24,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:24,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 196 states and 381 transitions. [2021-11-23 00:31:24,990 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 381 transitions. [2021-11-23 00:31:24,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:31:24,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:24,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:25,026 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:31:25,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:25,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 199 states and 387 transitions. [2021-11-23 00:31:25,334 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 387 transitions. [2021-11-23 00:31:25,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:31:25,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:25,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:25,374 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:31:25,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:25,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 202 states and 392 transitions. [2021-11-23 00:31:25,525 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 392 transitions. [2021-11-23 00:31:25,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:31:25,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:25,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:31:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 205 states and 398 transitions. [2021-11-23 00:31:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 398 transitions. [2021-11-23 00:31:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:31:25,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:25,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:25,880 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 00:31:25,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 208 states and 403 transitions. [2021-11-23 00:31:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 403 transitions. [2021-11-23 00:31:25,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:31:25,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:25,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 00:31:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:25,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 209 states and 404 transitions. [2021-11-23 00:31:25,963 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 404 transitions. [2021-11-23 00:31:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:31:25,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:25,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 00:31:26,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 64 states and 80 transitions. [2021-11-23 00:31:26,018 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2021-11-23 00:31:26,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:31:26,018 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 42 iterations. [2021-11-23 00:31:26,035 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:31:26,471 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:26,476 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:26,476 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:26,476 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2021-11-23 00:31:26,483 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 00:31:26,486 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2021-11-23 00:31:26,490 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:26,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:26,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:26,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:26,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:26,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:26,491 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:26,492 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:31:26,492 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2021-11-23 00:31:26,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:31:26 ImpRootNode [2021-11-23 00:31:26,494 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:31:26,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:31:26,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:31:26,495 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:31:26,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:10" (3/4) ... [2021-11-23 00:31:26,498 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:31:26,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:31:26,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:31:26,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:31:26,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:31:26,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:31:26,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:31:26,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-23 00:31:26,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2021-11-23 00:31:26,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:31:26,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 00:31:26,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:31:26,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:31:26,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:31:26,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:31:26,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || 0 == systemActive [2021-11-23 00:31:26,637 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:31:26,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:31:26,638 INFO L158 Benchmark]: Toolchain (without parser) took 16852.49ms. Allocated memory was 107.0MB in the beginning and 237.0MB in the end (delta: 130.0MB). Free memory was 74.1MB in the beginning and 178.2MB in the end (delta: -104.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2021-11-23 00:31:26,639 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:31:26,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.67ms. Allocated memory was 107.0MB in the beginning and 163.6MB in the end (delta: 56.6MB). Free memory was 74.1MB in the beginning and 131.0MB in the end (delta: -56.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:31:26,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.35ms. Allocated memory is still 163.6MB. Free memory was 131.0MB in the beginning and 128.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:31:26,640 INFO L158 Benchmark]: Boogie Preprocessor took 34.91ms. Allocated memory is still 163.6MB. Free memory was 128.9MB in the beginning and 126.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:31:26,640 INFO L158 Benchmark]: RCFGBuilder took 544.79ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 107.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 00:31:26,641 INFO L158 Benchmark]: CodeCheck took 15561.79ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 107.9MB in the beginning and 184.5MB in the end (delta: -76.6MB). Peak memory consumption was 113.1MB. Max. memory is 16.1GB. [2021-11-23 00:31:26,641 INFO L158 Benchmark]: Witness Printer took 143.05ms. Allocated memory is still 237.0MB. Free memory was 184.5MB in the beginning and 178.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:31:26,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.1s, OverallIterations: 42, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12374 SdHoareTripleChecker+Valid, 31.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6032 mSDsluCounter, 15151 SdHoareTripleChecker+Invalid, 26.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11976 mSDsCounter, 6906 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19813 IncrementalHoareTripleChecker+Invalid, 26719 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6906 mSolverCounterUnsat, 4505 mSDtfsCounter, 19813 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17808 GetRequests, 17515 SyntacticMatches, 3 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38433 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1750 NumberOfCodeBlocks, 1750 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 1709 ConstructedInterpolants, 0 QuantifiedInterpolants, 3262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 30 PerfectInterpolantSequences, 557/588 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 140]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || 0 == systemActive - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((!(splverifierCounter == 0) || methAndRunningLastTime == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: methAndRunningLastTime == 0 || !(methaneLevelCritical == 0) - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: !(methAndRunningLastTime == 0) || tmp == methaneLevelCritical * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.67ms. Allocated memory was 107.0MB in the beginning and 163.6MB in the end (delta: 56.6MB). Free memory was 74.1MB in the beginning and 131.0MB in the end (delta: -56.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.35ms. Allocated memory is still 163.6MB. Free memory was 131.0MB in the beginning and 128.9MB 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 163.6MB. Free memory was 128.9MB in the beginning and 126.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 544.79ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 107.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 15561.79ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 107.9MB in the beginning and 184.5MB in the end (delta: -76.6MB). Peak memory consumption was 113.1MB. Max. memory is 16.1GB. * Witness Printer took 143.05ms. Allocated memory is still 237.0MB. Free memory was 184.5MB in the beginning and 178.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:31:26,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47abe7b6-6223-4af4-8167-696f5c6998a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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