./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.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_32ee1f93-dd41-4451-bd11-f39c0fad29a5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/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_32ee1f93-dd41-4451-bd11-f39c0fad29a5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/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_32ee1f93-dd41-4451-bd11-f39c0fad29a5/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 589282c7075ad677d11d7e5d6747c3f882de49697a3649a6296f51163d1d51b5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:20:23,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:20:23,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:20:23,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:20:23,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:20:23,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:20:23,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:20:23,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:20:23,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:20:23,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:20:23,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:20:23,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:20:23,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:20:23,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:20:23,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:20:23,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:20:23,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:20:23,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:20:23,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:20:23,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:20:23,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:20:23,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:20:23,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:20:23,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:20:23,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:20:23,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:20:23,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:20:23,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:20:23,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:20:23,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:20:23,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:20:23,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:20:23,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:20:23,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:20:23,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:20:23,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:20:23,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:20:23,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:20:23,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:20:23,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:20:23,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:20:23,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:20:23,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:20:23,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:20:23,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:20:23,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:20:23,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:20:23,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:20:23,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:20:23,266 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:20:23,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:20:23,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:20:23,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:20:23,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:20:23,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:20:23,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:20:23,267 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:20:23,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:20:23,267 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:20:23,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:20:23,268 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:20:23,268 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:20:23,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:20:23,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:20:23,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:20:23,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:20:23,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:20:23,269 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:20:23,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:20:23,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:20:23,270 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_32ee1f93-dd41-4451-bd11-f39c0fad29a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 589282c7075ad677d11d7e5d6747c3f882de49697a3649a6296f51163d1d51b5 [2021-11-23 01:20:23,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:20:23,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:20:23,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:20:23,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:20:23,628 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:20:23,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-11-23 01:20:23,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/bin/ukojak-LBtLqBUTdQ/data/a3beb7d39/e887ec4386184ba799bb004bfe95d62c/FLAG3a35e2f12 [2021-11-23 01:20:24,184 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:20:24,185 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-11-23 01:20:24,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/bin/ukojak-LBtLqBUTdQ/data/a3beb7d39/e887ec4386184ba799bb004bfe95d62c/FLAG3a35e2f12 [2021-11-23 01:20:24,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/bin/ukojak-LBtLqBUTdQ/data/a3beb7d39/e887ec4386184ba799bb004bfe95d62c [2021-11-23 01:20:24,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:20:24,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:20:24,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:20:24,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:20:24,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:20:24,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:24" (1/1) ... [2021-11-23 01:20:24,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:24, skipping insertion in model container [2021-11-23 01:20:24,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:24" (1/1) ... [2021-11-23 01:20:24,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:20:24,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:20:24,785 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_32ee1f93-dd41-4451-bd11-f39c0fad29a5/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1605,1618] [2021-11-23 01:20:24,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:20:24,913 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:20:24,932 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_32ee1f93-dd41-4451-bd11-f39c0fad29a5/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1605,1618] [2021-11-23 01:20:25,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:20:25,071 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:20:25,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:25 WrapperNode [2021-11-23 01:20:25,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:20:25,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:20:25,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:20:25,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:20:25,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:25" (1/1) ... [2021-11-23 01:20:25,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:25" (1/1) ... [2021-11-23 01:20:25,160 INFO L137 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 224 [2021-11-23 01:20:25,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:20:25,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:20:25,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:20:25,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:20:25,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:25" (1/1) ... [2021-11-23 01:20:25,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:25" (1/1) ... [2021-11-23 01:20:25,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:25" (1/1) ... [2021-11-23 01:20:25,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:25" (1/1) ... [2021-11-23 01:20:25,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:25" (1/1) ... [2021-11-23 01:20:25,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:25" (1/1) ... [2021-11-23 01:20:25,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:25" (1/1) ... [2021-11-23 01:20:25,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:20:25,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:20:25,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:20:25,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:20:25,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:25" (1/1) ... [2021-11-23 01:20:25,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:20:25,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:20:25,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:20:25,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:20:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:20:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 01:20:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 01:20:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 01:20:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 01:20:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 01:20:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 01:20:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 01:20:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 01:20:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 01:20:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 01:20:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 01:20:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 01:20:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:20:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 01:20:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 01:20:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:20:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:20:25,424 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:20:25,425 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:20:25,785 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:20:25,885 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:20:25,889 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:20:25,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:25 BoogieIcfgContainer [2021-11-23 01:20:25,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:20:25,897 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:20:25,897 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:20:25,906 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:20:25,906 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:25" (1/1) ... [2021-11-23 01:20:25,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:20:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:25,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 57 states and 76 transitions. [2021-11-23 01:20:25,998 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2021-11-23 01:20:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:20:26,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:26,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:26,225 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 01:20:26,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:26,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2021-11-23 01:20:26,267 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2021-11-23 01:20:26,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:20:26,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:26,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:26,339 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 01:20:26,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:26,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2021-11-23 01:20:26,359 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2021-11-23 01:20:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:20:26,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:26,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:26,428 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 01:20:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:26,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 69 states and 98 transitions. [2021-11-23 01:20:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2021-11-23 01:20:26,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:20:26,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:26,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:26,567 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 01:20:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2021-11-23 01:20:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2021-11-23 01:20:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:20:26,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:26,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:26,665 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 01:20:26,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 71 states and 100 transitions. [2021-11-23 01:20:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2021-11-23 01:20:26,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:20:26,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:26,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:26,737 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 01:20:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 72 states and 101 transitions. [2021-11-23 01:20:26,750 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-11-23 01:20:26,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:20:26,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:26,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:26,858 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 01:20:27,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:27,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 89 states and 137 transitions. [2021-11-23 01:20:27,313 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 137 transitions. [2021-11-23 01:20:27,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:20:27,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:27,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:27,403 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 01:20:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 95 states and 149 transitions. [2021-11-23 01:20:27,453 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 149 transitions. [2021-11-23 01:20:27,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:27,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:27,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:27,524 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 01:20:27,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:27,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 96 states and 150 transitions. [2021-11-23 01:20:27,538 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2021-11-23 01:20:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:27,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:27,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:27,619 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 01:20:28,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:28,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 116 states and 193 transitions. [2021-11-23 01:20:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2021-11-23 01:20:28,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:28,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:28,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:28,481 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 01:20:29,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:29,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 212 transitions. [2021-11-23 01:20:29,009 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2021-11-23 01:20:29,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:20:29,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:29,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:29,042 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 01:20:29,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 129 states and 222 transitions. [2021-11-23 01:20:29,076 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 222 transitions. [2021-11-23 01:20:29,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:20:29,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:29,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:29,132 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 01:20:29,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:29,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 132 states and 230 transitions. [2021-11-23 01:20:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 230 transitions. [2021-11-23 01:20:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:20:29,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:29,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:29,315 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 01:20:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:29,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 133 states and 233 transitions. [2021-11-23 01:20:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 233 transitions. [2021-11-23 01:20:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:20:29,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:29,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:29,367 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 01:20:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:29,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 135 states and 236 transitions. [2021-11-23 01:20:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 236 transitions. [2021-11-23 01:20:29,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:20:29,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:29,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:29,517 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 01:20:29,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:29,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 136 states and 239 transitions. [2021-11-23 01:20:29,657 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 239 transitions. [2021-11-23 01:20:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:20:29,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:29,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:29,705 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 01:20:29,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 137 states and 242 transitions. [2021-11-23 01:20:29,833 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 242 transitions. [2021-11-23 01:20:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:20:29,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:29,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:29,861 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 01:20:29,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:29,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 138 states and 243 transitions. [2021-11-23 01:20:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 243 transitions. [2021-11-23 01:20:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:20:29,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:29,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:29,897 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 01:20:30,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:30,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 142 states and 250 transitions. [2021-11-23 01:20:30,139 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 250 transitions. [2021-11-23 01:20:30,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:20:30,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:30,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:30,166 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 01:20:30,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:30,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 148 states and 263 transitions. [2021-11-23 01:20:30,205 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 263 transitions. [2021-11-23 01:20:30,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:20:30,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:30,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:30,264 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 01:20:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:30,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 152 states and 271 transitions. [2021-11-23 01:20:30,296 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 271 transitions. [2021-11-23 01:20:30,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:20:30,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:30,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:30,329 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 01:20:30,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 155 states and 279 transitions. [2021-11-23 01:20:30,475 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 279 transitions. [2021-11-23 01:20:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:30,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:30,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:30,507 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 01:20:31,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 164 states and 300 transitions. [2021-11-23 01:20:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 300 transitions. [2021-11-23 01:20:31,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:20:31,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:31,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:31,112 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 01:20:31,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:31,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 165 states and 301 transitions. [2021-11-23 01:20:31,135 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2021-11-23 01:20:31,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:20:31,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:31,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:31,174 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 01:20:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:31,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 166 states and 302 transitions. [2021-11-23 01:20:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 302 transitions. [2021-11-23 01:20:31,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:20:31,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:31,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:31,548 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 01:20:32,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:32,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 174 states and 329 transitions. [2021-11-23 01:20:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 329 transitions. [2021-11-23 01:20:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:20:32,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:32,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:20:32,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:32,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 181 states and 341 transitions. [2021-11-23 01:20:32,752 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 341 transitions. [2021-11-23 01:20:32,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:20:32,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:32,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:32,791 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 01:20:33,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:33,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 188 states and 357 transitions. [2021-11-23 01:20:33,472 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 357 transitions. [2021-11-23 01:20:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:20:33,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:33,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:33,495 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 01:20:33,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 189 states and 358 transitions. [2021-11-23 01:20:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 358 transitions. [2021-11-23 01:20:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:20:33,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:33,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:20:33,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 190 states and 358 transitions. [2021-11-23 01:20:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 358 transitions. [2021-11-23 01:20:33,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:20:33,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:33,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:33,588 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:20:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 191 states and 359 transitions. [2021-11-23 01:20:33,605 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 359 transitions. [2021-11-23 01:20:33,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:20:33,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:33,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:33,631 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 01:20:34,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:34,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 201 states and 389 transitions. [2021-11-23 01:20:34,388 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 389 transitions. [2021-11-23 01:20:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:20:34,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:34,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:34,415 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 01:20:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 208 states and 412 transitions. [2021-11-23 01:20:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 412 transitions. [2021-11-23 01:20:34,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:20:34,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:34,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:34,885 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 01:20:34,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 209 states and 412 transitions. [2021-11-23 01:20:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 412 transitions. [2021-11-23 01:20:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:20:34,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:34,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:35,000 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:20:36,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 218 states and 445 transitions. [2021-11-23 01:20:36,163 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 445 transitions. [2021-11-23 01:20:36,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:20:36,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:36,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:38,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 228 states and 473 transitions. [2021-11-23 01:20:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 473 transitions. [2021-11-23 01:20:38,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:20:38,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:38,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:38,174 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 01:20:38,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:38,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 229 states and 474 transitions. [2021-11-23 01:20:38,216 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 474 transitions. [2021-11-23 01:20:38,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:20:38,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:38,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:38,249 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 01:20:38,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:38,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 230 states and 475 transitions. [2021-11-23 01:20:38,269 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 475 transitions. [2021-11-23 01:20:38,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:20:38,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:38,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:38,296 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:20:40,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:40,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 246 states and 522 transitions. [2021-11-23 01:20:40,371 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 522 transitions. [2021-11-23 01:20:40,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:20:40,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:40,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:40,397 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 01:20:40,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:40,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 251 states and 529 transitions. [2021-11-23 01:20:40,716 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 529 transitions. [2021-11-23 01:20:40,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:20:40,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:40,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:40,763 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:20:41,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:41,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 256 states and 540 transitions. [2021-11-23 01:20:41,595 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 540 transitions. [2021-11-23 01:20:41,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:20:41,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:41,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:41,627 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:20:42,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 262 states and 547 transitions. [2021-11-23 01:20:42,216 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 547 transitions. [2021-11-23 01:20:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:20:42,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:42,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:20:43,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:43,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 270 states and 565 transitions. [2021-11-23 01:20:43,071 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 565 transitions. [2021-11-23 01:20:43,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:20:43,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:43,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:43,096 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:20:43,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:43,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 275 states and 574 transitions. [2021-11-23 01:20:43,311 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 574 transitions. [2021-11-23 01:20:43,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:20:43,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:43,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:43,345 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:20:43,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:43,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 276 states and 575 transitions. [2021-11-23 01:20:43,369 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 575 transitions. [2021-11-23 01:20:43,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:20:43,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:43,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:20:44,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:44,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 280 states and 585 transitions. [2021-11-23 01:20:44,127 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 585 transitions. [2021-11-23 01:20:44,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:20:44,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:44,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,151 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:20:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 282 states and 589 transitions. [2021-11-23 01:20:44,335 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 589 transitions. [2021-11-23 01:20:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:20:44,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:44,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,380 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:20:44,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:44,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 283 states and 591 transitions. [2021-11-23 01:20:44,411 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 591 transitions. [2021-11-23 01:20:44,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:20:44,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:44,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:20:44,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:44,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 284 states and 594 transitions. [2021-11-23 01:20:44,752 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 594 transitions. [2021-11-23 01:20:44,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:20:44,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:44,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:20:44,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 285 states and 595 transitions. [2021-11-23 01:20:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 595 transitions. [2021-11-23 01:20:44,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:20:44,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:44,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,848 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:20:44,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:44,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 290 states and 604 transitions. [2021-11-23 01:20:44,886 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 604 transitions. [2021-11-23 01:20:44,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:20:44,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:44,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:44,921 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 01:20:45,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 291 states and 605 transitions. [2021-11-23 01:20:45,062 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 605 transitions. [2021-11-23 01:20:45,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:20:45,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:20:45,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 296 states and 615 transitions. [2021-11-23 01:20:45,420 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 615 transitions. [2021-11-23 01:20:45,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:20:45,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:45,479 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:20:45,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 297 states and 617 transitions. [2021-11-23 01:20:45,522 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 617 transitions. [2021-11-23 01:20:45,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:20:45,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:45,546 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:20:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 302 states and 628 transitions. [2021-11-23 01:20:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 628 transitions. [2021-11-23 01:20:45,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:20:45,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:45,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:20:46,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 305 states and 634 transitions. [2021-11-23 01:20:46,206 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 634 transitions. [2021-11-23 01:20:46,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:20:46,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:46,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 01:20:46,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 306 states and 634 transitions. [2021-11-23 01:20:46,253 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 634 transitions. [2021-11-23 01:20:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:20:46,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:46,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:46,280 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:20:46,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 307 states and 635 transitions. [2021-11-23 01:20:46,303 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 635 transitions. [2021-11-23 01:20:46,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:20:46,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:46,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:46,333 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:20:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 308 states and 638 transitions. [2021-11-23 01:20:46,703 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 638 transitions. [2021-11-23 01:20:46,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:20:46,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:46,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:46,730 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:20:46,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 310 states and 641 transitions. [2021-11-23 01:20:46,899 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 641 transitions. [2021-11-23 01:20:46,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:20:46,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:46,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:46,926 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 01:20:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 313 states and 645 transitions. [2021-11-23 01:20:46,950 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 645 transitions. [2021-11-23 01:20:46,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:20:46,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:46,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 01:20:46,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:46,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 314 states and 645 transitions. [2021-11-23 01:20:46,999 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 645 transitions. [2021-11-23 01:20:47,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:20:47,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:47,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:47,029 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 01:20:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:47,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 315 states and 646 transitions. [2021-11-23 01:20:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 646 transitions. [2021-11-23 01:20:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:20:47,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:47,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:20:47,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:47,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 318 states and 651 transitions. [2021-11-23 01:20:47,115 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 651 transitions. [2021-11-23 01:20:47,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:20:47,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:47,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:47,141 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 01:20:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 319 states and 652 transitions. [2021-11-23 01:20:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 652 transitions. [2021-11-23 01:20:47,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:20:47,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:47,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:47,228 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:20:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:47,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 95 states and 126 transitions. [2021-11-23 01:20:47,252 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 126 transitions. [2021-11-23 01:20:47,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:20:47,253 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2021-11-23 01:20:47,265 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:20:47,566 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-23 01:20:47,578 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:20:47,583 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:20:47,583 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:20:47,583 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:20:47,583 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 01:20:47,584 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:20:47,584 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:20:47,584 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:20:47,584 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 01:20:47,585 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:20:47,585 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:20:47,585 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:20:47,586 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:20:47,586 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:20:47,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:20:47 ImpRootNode [2021-11-23 01:20:47,586 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:20:47,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:20:47,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:20:47,587 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:20:47,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:25" (3/4) ... [2021-11-23 01:20:47,591 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:20:47,596 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 01:20:47,596 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 01:20:47,596 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 01:20:47,596 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 01:20:47,596 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 01:20:47,596 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 01:20:47,597 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 01:20:47,610 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2021-11-23 01:20:47,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 01:20:47,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-23 01:20:47,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 01:20:47,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:20:47,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:20:47,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:20:47,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || (!(1 == systemActive) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive) [2021-11-23 01:20:47,706 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:20:47,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:20:47,708 INFO L158 Benchmark]: Toolchain (without parser) took 23178.67ms. Allocated memory was 88.1MB in the beginning and 237.0MB in the end (delta: 148.9MB). Free memory was 50.8MB in the beginning and 68.2MB in the end (delta: -17.4MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. [2021-11-23 01:20:47,708 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 67.9MB in the beginning and 67.8MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:20:47,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.95ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.6MB in the beginning and 73.8MB in the end (delta: -23.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:20:47,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.23ms. Allocated memory is still 107.0MB. Free memory was 73.8MB in the beginning and 71.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:20:47,710 INFO L158 Benchmark]: Boogie Preprocessor took 60.14ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 69.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:20:47,710 INFO L158 Benchmark]: RCFGBuilder took 672.84ms. Allocated memory is still 107.0MB. Free memory was 69.6MB in the beginning and 49.8MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 01:20:47,710 INFO L158 Benchmark]: CodeCheck took 21689.83ms. Allocated memory was 107.0MB in the beginning and 237.0MB in the end (delta: 130.0MB). Free memory was 49.8MB in the beginning and 74.4MB in the end (delta: -24.6MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. [2021-11-23 01:20:47,711 INFO L158 Benchmark]: Witness Printer took 119.78ms. Allocated memory is still 237.0MB. Free memory was 73.4MB in the beginning and 68.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:20:47,715 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, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.3s, OverallIterations: 67, 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, 33524 SdHoareTripleChecker+Valid, 61.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20226 mSDsluCounter, 42433 SdHoareTripleChecker+Invalid, 51.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36426 mSDsCounter, 12248 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43719 IncrementalHoareTripleChecker+Invalid, 55967 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12248 mSolverCounterUnsat, 8249 mSDtfsCounter, 43719 mSolverCounterSat, 1.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32534 GetRequests, 32149 SyntacticMatches, 17 SemanticMatches, 368 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64636 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2889 NumberOfCodeBlocks, 2889 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 2823 ConstructedInterpolants, 0 QuantifiedInterpolants, 5285 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 62 PerfectInterpolantSequences, 979/989 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: 54]: 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: 671]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || (!(1 == systemActive) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 67.9MB in the beginning and 67.8MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.95ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.6MB in the beginning and 73.8MB in the end (delta: -23.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.23ms. Allocated memory is still 107.0MB. Free memory was 73.8MB in the beginning and 71.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.14ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 69.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 672.84ms. Allocated memory is still 107.0MB. Free memory was 69.6MB in the beginning and 49.8MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 21689.83ms. Allocated memory was 107.0MB in the beginning and 237.0MB in the end (delta: 130.0MB). Free memory was 49.8MB in the beginning and 74.4MB in the end (delta: -24.6MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. * Witness Printer took 119.78ms. Allocated memory is still 237.0MB. Free memory was 73.4MB in the beginning and 68.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:20:47,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ee1f93-dd41-4451-bd11-f39c0fad29a5/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