./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI --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 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:57:11,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:57:11,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:57:11,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:57:11,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:57:11,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:57:11,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:57:11,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:57:11,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:57:11,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:57:11,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:57:11,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:57:11,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:57:11,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:57:11,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:57:11,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:57:11,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:57:11,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:57:11,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:57:11,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:57:11,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:57:11,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:57:11,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:57:11,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:57:11,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:57:11,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:57:11,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:57:11,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:57:11,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:57:11,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:57:11,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:57:11,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:57:11,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:57:11,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:57:11,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:57:11,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:57:11,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:57:11,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:57:11,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:57:11,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:57:11,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:57:11,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:57:11,308 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:57:11,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:57:11,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:57:11,309 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:57:11,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:57:11,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:57:11,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:57:11,311 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:57:11,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:57:11,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:57:11,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:57:11,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:57:11,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:57:11,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:57:11,313 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:57:11,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:57:11,314 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:57:11,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:57:11,314 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:57:11,315 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:57:11,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:57:11,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:57:11,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:57:11,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:57:11,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:57:11,316 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:57:11,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:57:11,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:57:11,317 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_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b [2021-10-29 02:57:11,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:57:11,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:57:11,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:57:11,575 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:57:11,575 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:57:11,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2021-10-29 02:57:11,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/data/631de01fa/eeb405cf2b8d4425870f7e3cb4cc4ee9/FLAG6b5135ec3 [2021-10-29 02:57:12,222 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:57:12,223 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2021-10-29 02:57:12,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/data/631de01fa/eeb405cf2b8d4425870f7e3cb4cc4ee9/FLAG6b5135ec3 [2021-10-29 02:57:12,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/data/631de01fa/eeb405cf2b8d4425870f7e3cb4cc4ee9 [2021-10-29 02:57:12,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:57:12,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:57:12,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:57:12,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:57:12,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:57:12,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:57:12" (1/1) ... [2021-10-29 02:57:12,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7f75aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:12, skipping insertion in model container [2021-10-29 02:57:12,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:57:12" (1/1) ... [2021-10-29 02:57:12,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:57:12,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:57:12,816 WARN L228 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_e8d55607-6330-4ddc-9031-096e2ea988c2/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1605,1618] [2021-10-29 02:57:12,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:57:12,978 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:57:12,991 WARN L228 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_e8d55607-6330-4ddc-9031-096e2ea988c2/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1605,1618] [2021-10-29 02:57:13,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:57:13,128 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:57:13,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:13 WrapperNode [2021-10-29 02:57:13,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:57:13,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:57:13,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:57:13,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:57:13,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:13" (1/1) ... [2021-10-29 02:57:13,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:13" (1/1) ... [2021-10-29 02:57:13,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:57:13,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:57:13,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:57:13,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:57:13,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:13" (1/1) ... [2021-10-29 02:57:13,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:13" (1/1) ... [2021-10-29 02:57:13,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:13" (1/1) ... [2021-10-29 02:57:13,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:13" (1/1) ... [2021-10-29 02:57:13,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:13" (1/1) ... [2021-10-29 02:57:13,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:13" (1/1) ... [2021-10-29 02:57:13,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:13" (1/1) ... [2021-10-29 02:57:13,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:57:13,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:57:13,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:57:13,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:57:13,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:13" (1/1) ... [2021-10-29 02:57:13,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:57:13,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:57:13,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:57:13,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:57:13,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:57:13,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-10-29 02:57:13,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-10-29 02:57:13,349 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-10-29 02:57:13,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-10-29 02:57:13,349 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-10-29 02:57:13,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-10-29 02:57:13,349 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-10-29 02:57:13,349 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-10-29 02:57:13,349 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-10-29 02:57:13,349 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-10-29 02:57:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-10-29 02:57:13,350 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-10-29 02:57:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-10-29 02:57:13,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-10-29 02:57:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-10-29 02:57:13,350 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-10-29 02:57:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:57:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-10-29 02:57:13,350 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-10-29 02:57:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:57:13,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:57:14,654 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:57:14,655 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-10-29 02:57:14,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:57:14 BoogieIcfgContainer [2021-10-29 02:57:14,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:57:14,659 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:57:14,659 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:57:14,673 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:57:14,674 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:57:14" (1/1) ... [2021-10-29 02:57:14,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:57:14,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:14,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2021-10-29 02:57:14,736 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2021-10-29 02:57:14,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 02:57:14,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:14,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:15,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2021-10-29 02:57:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2021-10-29 02:57:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 02:57:15,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:15,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:15,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2021-10-29 02:57:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2021-10-29 02:57:15,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 02:57:15,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:15,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:15,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2021-10-29 02:57:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2021-10-29 02:57:15,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 02:57:15,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:15,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:15,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:15,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 85 states and 124 transitions. [2021-10-29 02:57:15,625 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2021-10-29 02:57:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 02:57:15,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:15,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:15,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:15,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 86 states and 125 transitions. [2021-10-29 02:57:15,748 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 125 transitions. [2021-10-29 02:57:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 02:57:15,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:15,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:15,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:15,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 87 states and 126 transitions. [2021-10-29 02:57:15,824 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2021-10-29 02:57:15,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 02:57:15,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:15,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:15,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 104 states and 165 transitions. [2021-10-29 02:57:16,381 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 165 transitions. [2021-10-29 02:57:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 02:57:16,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:16,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:16,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 105 states and 166 transitions. [2021-10-29 02:57:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 166 transitions. [2021-10-29 02:57:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 02:57:16,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:16,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:16,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:17,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:17,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 212 transitions. [2021-10-29 02:57:17,492 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2021-10-29 02:57:17,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 02:57:17,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:17,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:17,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 128 states and 219 transitions. [2021-10-29 02:57:17,752 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 219 transitions. [2021-10-29 02:57:17,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 02:57:17,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:17,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:17,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:17,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 133 states and 230 transitions. [2021-10-29 02:57:17,961 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 230 transitions. [2021-10-29 02:57:17,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 02:57:17,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:17,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:18,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:18,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 142 states and 251 transitions. [2021-10-29 02:57:18,683 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 251 transitions. [2021-10-29 02:57:18,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 02:57:18,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:18,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:18,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:18,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 145 states and 258 transitions. [2021-10-29 02:57:18,888 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 258 transitions. [2021-10-29 02:57:18,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 02:57:18,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:18,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 150 states and 270 transitions. [2021-10-29 02:57:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 270 transitions. [2021-10-29 02:57:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 02:57:19,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:19,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 151 states and 271 transitions. [2021-10-29 02:57:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 271 transitions. [2021-10-29 02:57:19,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 02:57:19,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:19,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:19,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:19,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 152 states and 272 transitions. [2021-10-29 02:57:19,166 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 272 transitions. [2021-10-29 02:57:19,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 02:57:19,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:19,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:19,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:19,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:19,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 153 states and 275 transitions. [2021-10-29 02:57:19,337 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 275 transitions. [2021-10-29 02:57:19,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 02:57:19,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:19,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:19,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:19,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:19,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 157 states and 283 transitions. [2021-10-29 02:57:19,647 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 283 transitions. [2021-10-29 02:57:19,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 02:57:19,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:19,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:19,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 160 states and 288 transitions. [2021-10-29 02:57:19,854 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 288 transitions. [2021-10-29 02:57:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 02:57:19,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:19,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:19,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:57:20,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:20,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 163 states and 294 transitions. [2021-10-29 02:57:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 294 transitions. [2021-10-29 02:57:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 02:57:20,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:20,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:20,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:20,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 167 states and 304 transitions. [2021-10-29 02:57:20,256 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 304 transitions. [2021-10-29 02:57:20,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 02:57:20,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:20,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:20,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:20,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 171 states and 316 transitions. [2021-10-29 02:57:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 316 transitions. [2021-10-29 02:57:20,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 02:57:20,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:20,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 174 states and 324 transitions. [2021-10-29 02:57:20,692 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 324 transitions. [2021-10-29 02:57:20,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 02:57:20,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:20,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:20,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:20,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:20,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 177 states and 330 transitions. [2021-10-29 02:57:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 330 transitions. [2021-10-29 02:57:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 02:57:20,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:20,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:20,957 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:57:21,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 186 states and 351 transitions. [2021-10-29 02:57:21,688 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 351 transitions. [2021-10-29 02:57:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 02:57:21,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:21,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:21,722 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:57:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 187 states and 352 transitions. [2021-10-29 02:57:21,743 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 352 transitions. [2021-10-29 02:57:21,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 02:57:21,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:21,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 02:57:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:23,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 190 states and 360 transitions. [2021-10-29 02:57:23,002 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 360 transitions. [2021-10-29 02:57:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 02:57:23,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:23,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:23,057 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:57:23,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 197 states and 376 transitions. [2021-10-29 02:57:23,923 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 376 transitions. [2021-10-29 02:57:23,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 02:57:23,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:23,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:57:24,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:24,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 198 states and 378 transitions. [2021-10-29 02:57:24,173 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 378 transitions. [2021-10-29 02:57:24,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 02:57:24,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:24,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:24,229 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:57:24,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:24,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 199 states and 379 transitions. [2021-10-29 02:57:24,467 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 379 transitions. [2021-10-29 02:57:24,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 02:57:24,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:24,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 02:57:24,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:24,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 207 states and 391 transitions. [2021-10-29 02:57:24,789 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 391 transitions. [2021-10-29 02:57:24,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-29 02:57:24,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:24,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:57:25,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:25,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 208 states and 393 transitions. [2021-10-29 02:57:25,058 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 393 transitions. [2021-10-29 02:57:25,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 02:57:25,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:25,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:25,099 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:57:25,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:25,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 209 states and 394 transitions. [2021-10-29 02:57:25,352 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 394 transitions. [2021-10-29 02:57:25,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 02:57:25,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:25,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:25,391 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 02:57:25,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:25,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 210 states and 395 transitions. [2021-10-29 02:57:25,408 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 395 transitions. [2021-10-29 02:57:25,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 02:57:25,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:25,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:26,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 221 states and 416 transitions. [2021-10-29 02:57:26,363 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 416 transitions. [2021-10-29 02:57:26,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-29 02:57:26,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:26,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:26,416 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:26,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:26,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 228 states and 444 transitions. [2021-10-29 02:57:26,723 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 444 transitions. [2021-10-29 02:57:26,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 02:57:26,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:26,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:27,092 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:29,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 238 states and 472 transitions. [2021-10-29 02:57:29,416 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 472 transitions. [2021-10-29 02:57:29,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-29 02:57:29,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:29,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:29,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:29,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 239 states and 473 transitions. [2021-10-29 02:57:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 473 transitions. [2021-10-29 02:57:29,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 02:57:29,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:29,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:29,528 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 02:57:31,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:31,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 255 states and 517 transitions. [2021-10-29 02:57:31,969 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 517 transitions. [2021-10-29 02:57:31,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 02:57:31,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:31,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 256 states and 518 transitions. [2021-10-29 02:57:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 518 transitions. [2021-10-29 02:57:32,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 02:57:32,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:32,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:32,063 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:32,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:32,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 261 states and 525 transitions. [2021-10-29 02:57:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 525 transitions. [2021-10-29 02:57:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 02:57:32,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:32,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 02:57:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:32,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 262 states and 526 transitions. [2021-10-29 02:57:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 526 transitions. [2021-10-29 02:57:32,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 02:57:32,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:32,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 02:57:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:33,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 266 states and 534 transitions. [2021-10-29 02:57:33,113 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 534 transitions. [2021-10-29 02:57:33,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 02:57:33,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:33,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:33,155 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 02:57:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:33,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 274 states and 567 transitions. [2021-10-29 02:57:33,991 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 567 transitions. [2021-10-29 02:57:33,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-29 02:57:33,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:33,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 02:57:34,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 278 states and 585 transitions. [2021-10-29 02:57:34,595 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 585 transitions. [2021-10-29 02:57:34,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 02:57:34,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:34,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:35,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 280 states and 590 transitions. [2021-10-29 02:57:35,255 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 590 transitions. [2021-10-29 02:57:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 02:57:35,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:35,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:35,293 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 02:57:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:35,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 280 states and 589 transitions. [2021-10-29 02:57:35,605 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 589 transitions. [2021-10-29 02:57:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 02:57:35,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:35,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:35,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 281 states and 590 transitions. [2021-10-29 02:57:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 590 transitions. [2021-10-29 02:57:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 02:57:35,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:35,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 02:57:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:35,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 286 states and 603 transitions. [2021-10-29 02:57:35,926 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 603 transitions. [2021-10-29 02:57:35,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-29 02:57:35,929 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:35,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-29 02:57:35,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:35,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 287 states and 604 transitions. [2021-10-29 02:57:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 604 transitions. [2021-10-29 02:57:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 02:57:35,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:35,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 02:57:37,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 295 states and 636 transitions. [2021-10-29 02:57:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 636 transitions. [2021-10-29 02:57:37,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 02:57:37,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:37,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:37,683 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 02:57:37,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:37,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 293 states and 617 transitions. [2021-10-29 02:57:37,705 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 617 transitions. [2021-10-29 02:57:37,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 02:57:37,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:37,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:38,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 297 states and 624 transitions. [2021-10-29 02:57:38,934 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 624 transitions. [2021-10-29 02:57:38,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 02:57:38,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:38,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:39,076 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:57:39,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:39,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 297 states and 621 transitions. [2021-10-29 02:57:39,446 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 621 transitions. [2021-10-29 02:57:39,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-29 02:57:39,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:39,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:57:40,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:40,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 299 states and 628 transitions. [2021-10-29 02:57:40,041 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 628 transitions. [2021-10-29 02:57:40,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 02:57:40,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:40,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 02:57:40,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 305 states and 640 transitions. [2021-10-29 02:57:40,616 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 640 transitions. [2021-10-29 02:57:40,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-10-29 02:57:40,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:40,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:40,662 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-29 02:57:40,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 306 states and 641 transitions. [2021-10-29 02:57:40,689 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 641 transitions. [2021-10-29 02:57:40,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 02:57:40,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:40,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:40,719 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:57:41,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:41,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 314 states and 656 transitions. [2021-10-29 02:57:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 656 transitions. [2021-10-29 02:57:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-29 02:57:41,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:41,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:41,341 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:57:41,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:41,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 315 states and 659 transitions. [2021-10-29 02:57:41,786 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 659 transitions. [2021-10-29 02:57:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-29 02:57:41,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:41,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:41,830 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:57:42,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 320 states and 670 transitions. [2021-10-29 02:57:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 670 transitions. [2021-10-29 02:57:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-29 02:57:42,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:42,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:57:42,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 321 states and 673 transitions. [2021-10-29 02:57:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 673 transitions. [2021-10-29 02:57:42,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 02:57:42,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:42,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 02:57:43,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:43,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 322 states and 674 transitions. [2021-10-29 02:57:43,046 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 674 transitions. [2021-10-29 02:57:43,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 02:57:43,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:43,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 02:57:43,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:43,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 327 states and 684 transitions. [2021-10-29 02:57:43,689 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 684 transitions. [2021-10-29 02:57:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 02:57:43,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:43,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:43,721 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 02:57:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:44,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 328 states and 687 transitions. [2021-10-29 02:57:44,107 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 687 transitions. [2021-10-29 02:57:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-29 02:57:44,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:44,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:44,162 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:57:44,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 331 states and 693 transitions. [2021-10-29 02:57:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 693 transitions. [2021-10-29 02:57:44,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 02:57:44,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:44,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:57:44,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 332 states and 694 transitions. [2021-10-29 02:57:44,253 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 694 transitions. [2021-10-29 02:57:44,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-29 02:57:44,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:44,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 02:57:44,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:44,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 335 states and 697 transitions. [2021-10-29 02:57:44,500 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 697 transitions. [2021-10-29 02:57:44,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 02:57:44,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:44,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 02:57:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:44,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 338 states and 701 transitions. [2021-10-29 02:57:44,560 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 701 transitions. [2021-10-29 02:57:44,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-29 02:57:44,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:44,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 02:57:44,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 339 states and 702 transitions. [2021-10-29 02:57:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 702 transitions. [2021-10-29 02:57:44,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-10-29 02:57:44,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:44,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 02:57:44,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 342 states and 707 transitions. [2021-10-29 02:57:44,716 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 707 transitions. [2021-10-29 02:57:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 02:57:44,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:44,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:44,752 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-29 02:57:44,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 343 states and 708 transitions. [2021-10-29 02:57:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 708 transitions. [2021-10-29 02:57:44,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-29 02:57:44,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:57:44,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:57:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:57:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 02:57:44,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:57:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 120 states and 160 transitions. [2021-10-29 02:57:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 160 transitions. [2021-10-29 02:57:44,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 02:57:44,844 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 73 iterations. [2021-10-29 02:57:44,858 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 02:57:45,254 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:57:45,258 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:57:45,258 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:57:45,258 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:57:45,258 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:57:45,258 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:57:45,259 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:57:45,262 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 02:57:45,268 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:57:45,268 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:57:45,268 INFO L565 CodeCheckObserver]: Invariant with dag size 22 [2021-10-29 02:57:45,270 INFO L565 CodeCheckObserver]: Invariant with dag size 7 [2021-10-29 02:57:45,271 INFO L565 CodeCheckObserver]: Invariant with dag size 9 [2021-10-29 02:57:45,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:57:45 ImpRootNode [2021-10-29 02:57:45,272 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:57:45,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:57:45,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:57:45,273 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:57:45,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:57:14" (3/4) ... [2021-10-29 02:57:45,277 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:57:45,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-10-29 02:57:45,282 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-10-29 02:57:45,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-10-29 02:57:45,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-10-29 02:57:45,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-10-29 02:57:45,283 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-10-29 02:57:45,284 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-10-29 02:57:45,284 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-10-29 02:57:45,284 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-10-29 02:57:45,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2021-10-29 02:57:45,293 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-10-29 02:57:45,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-29 02:57:45,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 02:57:45,295 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 02:57:45,295 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:57:45,296 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:57:45,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || (systemActive < 1 && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 <= systemActive) [2021-10-29 02:57:45,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-10-29 02:57:45,358 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:57:45,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:57:45,360 INFO L168 Benchmark]: Toolchain (without parser) took 32809.76 ms. Allocated memory was 98.6 MB in the beginning and 283.1 MB in the end (delta: 184.5 MB). Free memory was 64.8 MB in the beginning and 147.7 MB in the end (delta: -82.9 MB). Peak memory consumption was 101.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:45,360 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory is still 51.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:57:45,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.16 ms. Allocated memory is still 98.6 MB. Free memory was 64.7 MB in the beginning and 66.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:45,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.48 ms. Allocated memory is still 98.6 MB. Free memory was 66.0 MB in the beginning and 63.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:45,361 INFO L168 Benchmark]: Boogie Preprocessor took 59.69 ms. Allocated memory is still 98.6 MB. Free memory was 63.6 MB in the beginning and 61.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:45,362 INFO L168 Benchmark]: RCFGBuilder took 1382.84 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 61.5 MB in the beginning and 78.7 MB in the end (delta: -17.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:45,362 INFO L168 Benchmark]: CodeCheck took 30613.38 ms. Allocated memory was 134.2 MB in the beginning and 283.1 MB in the end (delta: 148.9 MB). Free memory was 78.6 MB in the beginning and 154.0 MB in the end (delta: -75.4 MB). Peak memory consumption was 73.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:45,363 INFO L168 Benchmark]: Witness Printer took 85.62 ms. Allocated memory is still 283.1 MB. Free memory was 154.0 MB in the beginning and 147.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:45,365 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 10 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.1s, OverallIterations: 73, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 678596900 SDtfs, -716420692 SDslu, 1040979932 SDs, 0 SdLazy, 1522850140 SolverSat, -1166184268 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38053 GetRequests, 37587 SyntacticMatches, 36 SemanticMatches, 430 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85924 ImplicationChecksByTransitivity, 22.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3380 NumberOfCodeBlocks, 3380 NumberOfCodeBlocksAsserted, 72 NumberOfCheckSat, 3308 ConstructedInterpolants, 0 QuantifiedInterpolants, 6100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 72 InterpolantComputations, 69 PerfectInterpolantSequences, 1077/1083 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: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || (systemActive < 1 && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 <= systemActive) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 <= systemActive * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 98.6 MB. Free memory is still 51.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 577.16 ms. Allocated memory is still 98.6 MB. Free memory was 64.7 MB in the beginning and 66.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.48 ms. Allocated memory is still 98.6 MB. Free memory was 66.0 MB in the beginning and 63.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.69 ms. Allocated memory is still 98.6 MB. Free memory was 63.6 MB in the beginning and 61.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1382.84 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 61.5 MB in the beginning and 78.7 MB in the end (delta: -17.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * CodeCheck took 30613.38 ms. Allocated memory was 134.2 MB in the beginning and 283.1 MB in the end (delta: 148.9 MB). Free memory was 78.6 MB in the beginning and 154.0 MB in the end (delta: -75.4 MB). Peak memory consumption was 73.5 MB. Max. memory is 16.1 GB. * Witness Printer took 85.62 ms. Allocated memory is still 283.1 MB. Free memory was 154.0 MB in the beginning and 147.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 02:57:45,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8d55607-6330-4ddc-9031-096e2ea988c2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...