./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:06:41,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:06:41,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:06:41,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:06:41,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:06:41,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:06:41,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:06:41,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:06:41,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:06:41,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:06:41,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:06:41,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:06:41,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:06:41,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:06:41,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:06:41,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:06:41,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:06:41,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:06:41,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:06:41,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:06:41,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:06:41,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:06:41,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:06:41,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:06:41,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:06:41,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:06:41,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:06:41,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:06:41,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:06:41,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:06:41,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:06:41,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:06:41,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:06:41,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:06:41,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:06:41,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:06:41,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:06:41,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:06:41,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:06:41,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:06:41,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:06:41,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:06:41,209 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:06:41,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:06:41,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:06:41,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:06:41,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:06:41,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:06:41,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:06:41,212 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:06:41,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:06:41,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:06:41,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:06:41,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:06:41,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:06:41,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:06:41,213 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:06:41,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:06:41,214 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:06:41,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:06:41,214 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:06:41,214 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:06:41,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:06:41,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:06:41,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:06:41,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:06:41,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:06:41,216 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:06:41,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:06:41,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:06:41,217 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_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 [2021-11-22 23:06:41,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:06:41,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:06:41,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:06:41,583 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:06:41,584 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:06:41,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2021-11-22 23:06:41,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/data/67ee4ddc1/a7828a244f94476b8de6760ffe83f65c/FLAG10a587ced [2021-11-22 23:06:42,275 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:06:42,276 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2021-11-22 23:06:42,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/data/67ee4ddc1/a7828a244f94476b8de6760ffe83f65c/FLAG10a587ced [2021-11-22 23:06:42,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/data/67ee4ddc1/a7828a244f94476b8de6760ffe83f65c [2021-11-22 23:06:42,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:06:42,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:06:42,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:06:42,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:06:42,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:06:42,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:06:42" (1/1) ... [2021-11-22 23:06:42,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70af6c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:42, skipping insertion in model container [2021-11-22 23:06:42,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:06:42" (1/1) ... [2021-11-22 23:06:42,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:06:42,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:06:42,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[2141,2154] [2021-11-22 23:06:42,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:06:42,998 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:06:43,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[2141,2154] [2021-11-22 23:06:43,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:06:43,149 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:06:43,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:43 WrapperNode [2021-11-22 23:06:43,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:06:43,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:06:43,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:06:43,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:06:43,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:43" (1/1) ... [2021-11-22 23:06:43,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:43" (1/1) ... [2021-11-22 23:06:43,241 INFO L137 Inliner]: procedures = 56, calls = 155, calls flagged for inlining = 23, calls inlined = 18, statements flattened = 227 [2021-11-22 23:06:43,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:06:43,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:06:43,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:06:43,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:06:43,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:43" (1/1) ... [2021-11-22 23:06:43,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:43" (1/1) ... [2021-11-22 23:06:43,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:43" (1/1) ... [2021-11-22 23:06:43,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:43" (1/1) ... [2021-11-22 23:06:43,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:43" (1/1) ... [2021-11-22 23:06:43,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:43" (1/1) ... [2021-11-22 23:06:43,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:43" (1/1) ... [2021-11-22 23:06:43,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:06:43,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:06:43,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:06:43,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:06:43,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:06:43" (1/1) ... [2021-11-22 23:06:43,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:06:43,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:06:43,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:06:43,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:06:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:06:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-22 23:06:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-22 23:06:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-22 23:06:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-22 23:06:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-22 23:06:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-22 23:06:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-22 23:06:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-22 23:06:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-22 23:06:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-22 23:06:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-22 23:06:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-22 23:06:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:06:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-22 23:06:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-22 23:06:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:06:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:06:43,452 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:06:43,454 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:06:43,784 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:06:43,864 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:06:43,864 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:06:43,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:06:43 BoogieIcfgContainer [2021-11-22 23:06:43,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:06:43,868 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:06:43,869 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:06:43,879 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:06:43,880 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:06:43" (1/1) ... [2021-11-22 23:06:43,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:06:43,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 57 states and 76 transitions. [2021-11-22 23:06:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2021-11-22 23:06:43,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:06:43,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:43,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:44,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2021-11-22 23:06:44,302 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2021-11-22 23:06:44,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:06:44,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:44,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:44,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:44,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:44,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2021-11-22 23:06:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2021-11-22 23:06:44,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:06:44,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:44,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:44,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 85 transitions. [2021-11-22 23:06:44,511 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2021-11-22 23:06:44,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:06:44,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:44,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2021-11-22 23:06:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2021-11-22 23:06:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:06:44,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:44,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 87 states and 134 transitions. [2021-11-22 23:06:45,033 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 134 transitions. [2021-11-22 23:06:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:06:45,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:45,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:45,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:45,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 88 states and 135 transitions. [2021-11-22 23:06:45,134 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2021-11-22 23:06:45,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:06:45,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:45,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:45,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:45,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:45,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2021-11-22 23:06:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2021-11-22 23:06:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:06:45,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:45,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:45,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 95 states and 149 transitions. [2021-11-22 23:06:45,389 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 149 transitions. [2021-11-22 23:06:45,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:06:45,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:45,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:45,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:45,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 177 transitions. [2021-11-22 23:06:45,979 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 177 transitions. [2021-11-22 23:06:45,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:06:45,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:45,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:46,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:46,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 110 states and 182 transitions. [2021-11-22 23:06:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2021-11-22 23:06:46,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:06:46,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:46,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:46,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:46,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 111 states and 183 transitions. [2021-11-22 23:06:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 183 transitions. [2021-11-22 23:06:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:06:46,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:46,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:47,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 225 transitions. [2021-11-22 23:06:47,163 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 225 transitions. [2021-11-22 23:06:47,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:06:47,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:47,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:47,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:47,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 132 states and 228 transitions. [2021-11-22 23:06:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 228 transitions. [2021-11-22 23:06:47,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:06:47,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:47,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:47,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:47,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 133 states and 229 transitions. [2021-11-22 23:06:47,446 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 229 transitions. [2021-11-22 23:06:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:06:47,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:47,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:47,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:47,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:47,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 139 states and 244 transitions. [2021-11-22 23:06:47,634 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 244 transitions. [2021-11-22 23:06:47,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:06:47,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:47,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:47,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 140 states and 245 transitions. [2021-11-22 23:06:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 245 transitions. [2021-11-22 23:06:47,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:06:47,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:47,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:47,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:47,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:47,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 145 states and 258 transitions. [2021-11-22 23:06:47,873 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 258 transitions. [2021-11-22 23:06:47,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:06:47,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:47,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:47,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 146 states and 259 transitions. [2021-11-22 23:06:47,909 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 259 transitions. [2021-11-22 23:06:47,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:06:47,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:47,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:47,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:47,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 147 states and 260 transitions. [2021-11-22 23:06:47,962 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 260 transitions. [2021-11-22 23:06:47,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:06:47,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:47,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:48,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:48,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 148 states and 261 transitions. [2021-11-22 23:06:48,076 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 261 transitions. [2021-11-22 23:06:48,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:06:48,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:48,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:48,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 151 states and 268 transitions. [2021-11-22 23:06:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 268 transitions. [2021-11-22 23:06:48,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:06:48,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:48,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:48,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:06:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:48,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 154 states and 275 transitions. [2021-11-22 23:06:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 275 transitions. [2021-11-22 23:06:48,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:06:48,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:48,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:06:48,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:48,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 163 states and 295 transitions. [2021-11-22 23:06:48,989 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 295 transitions. [2021-11-22 23:06:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:06:48,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:48,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:06:49,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:49,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 164 states and 296 transitions. [2021-11-22 23:06:49,028 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 296 transitions. [2021-11-22 23:06:49,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:06:49,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:49,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:06:49,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:49,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 167 states and 304 transitions. [2021-11-22 23:06:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 304 transitions. [2021-11-22 23:06:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:06:49,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:49,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:50,003 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:06:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:50,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 168 states and 306 transitions. [2021-11-22 23:06:50,034 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 306 transitions. [2021-11-22 23:06:50,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:06:50,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:50,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:50,074 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:06:50,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:50,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 172 states and 316 transitions. [2021-11-22 23:06:50,282 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 316 transitions. [2021-11-22 23:06:50,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:06:50,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:50,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:06:50,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:50,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 173 states and 317 transitions. [2021-11-22 23:06:50,328 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 317 transitions. [2021-11-22 23:06:50,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:06:50,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:50,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:06:50,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:50,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 176 states and 323 transitions. [2021-11-22 23:06:50,886 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 323 transitions. [2021-11-22 23:06:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:06:50,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:50,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:50,929 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:06:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:51,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 184 states and 335 transitions. [2021-11-22 23:06:51,137 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 335 transitions. [2021-11-22 23:06:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:06:51,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:51,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:06:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:51,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 185 states and 336 transitions. [2021-11-22 23:06:51,189 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 336 transitions. [2021-11-22 23:06:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:06:51,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:51,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:51,233 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:06:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:51,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 196 states and 359 transitions. [2021-11-22 23:06:51,908 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 359 transitions. [2021-11-22 23:06:51,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:06:51,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:51,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:06:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:52,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 204 states and 379 transitions. [2021-11-22 23:06:52,298 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 379 transitions. [2021-11-22 23:06:52,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:06:52,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:52,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:52,390 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:06:53,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 213 states and 402 transitions. [2021-11-22 23:06:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 402 transitions. [2021-11-22 23:06:53,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:06:53,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:53,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:53,594 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:06:53,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:53,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 220 states and 422 transitions. [2021-11-22 23:06:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 422 transitions. [2021-11-22 23:06:53,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:06:53,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:53,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:06:56,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:56,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 230 states and 444 transitions. [2021-11-22 23:06:56,120 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 444 transitions. [2021-11-22 23:06:56,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:06:56,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:56,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:56,156 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:06:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 231 states and 445 transitions. [2021-11-22 23:06:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 445 transitions. [2021-11-22 23:06:56,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:06:56,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:56,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:06:56,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 235 states and 457 transitions. [2021-11-22 23:06:56,496 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 457 transitions. [2021-11-22 23:06:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:06:56,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:56,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:56,521 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:06:56,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:56,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 240 states and 466 transitions. [2021-11-22 23:06:56,777 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 466 transitions. [2021-11-22 23:06:56,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:06:56,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:56,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:06:58,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:58,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 249 states and 482 transitions. [2021-11-22 23:06:58,040 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 482 transitions. [2021-11-22 23:06:58,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:06:58,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:58,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:06:58,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:58,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 254 states and 490 transitions. [2021-11-22 23:06:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 490 transitions. [2021-11-22 23:06:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:06:58,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:58,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:06:58,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:58,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 255 states and 491 transitions. [2021-11-22 23:06:58,321 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 491 transitions. [2021-11-22 23:06:58,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:06:58,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:58,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:58,381 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:06:58,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 258 states and 497 transitions. [2021-11-22 23:06:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 497 transitions. [2021-11-22 23:06:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:06:58,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:58,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:58,971 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:06:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:06:59,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 266 states and 523 transitions. [2021-11-22 23:06:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 523 transitions. [2021-11-22 23:06:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:06:59,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:06:59,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:06:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:06:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:07:00,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:00,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 272 states and 529 transitions. [2021-11-22 23:07:00,193 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 529 transitions. [2021-11-22 23:07:00,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:07:00,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:00,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:07:00,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 273 states and 530 transitions. [2021-11-22 23:07:00,257 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 530 transitions. [2021-11-22 23:07:00,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:07:00,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:00,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:00,298 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:07:00,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 274 states and 531 transitions. [2021-11-22 23:07:00,314 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 531 transitions. [2021-11-22 23:07:00,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:07:00,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:00,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:00,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:07:00,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 275 states and 532 transitions. [2021-11-22 23:07:00,365 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 532 transitions. [2021-11-22 23:07:00,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:07:00,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:00,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:07:00,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:00,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 276 states and 533 transitions. [2021-11-22 23:07:00,419 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 533 transitions. [2021-11-22 23:07:00,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:07:00,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:00,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:00,449 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:07:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 277 states and 534 transitions. [2021-11-22 23:07:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 534 transitions. [2021-11-22 23:07:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:07:00,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:00,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:00,514 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:07:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:00,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 278 states and 537 transitions. [2021-11-22 23:07:00,757 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 537 transitions. [2021-11-22 23:07:00,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:07:00,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:00,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:00,784 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:07:00,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:00,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 279 states and 538 transitions. [2021-11-22 23:07:00,975 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 538 transitions. [2021-11-22 23:07:00,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:07:00,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:00,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:07:01,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:01,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 285 states and 549 transitions. [2021-11-22 23:07:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 549 transitions. [2021-11-22 23:07:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:07:01,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:01,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:07:01,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:01,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 286 states and 550 transitions. [2021-11-22 23:07:01,397 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 550 transitions. [2021-11-22 23:07:01,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:07:01,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:01,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:01,423 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:07:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:01,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 287 states and 553 transitions. [2021-11-22 23:07:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 553 transitions. [2021-11-22 23:07:01,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:07:01,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:01,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:07:01,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:01,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 290 states and 556 transitions. [2021-11-22 23:07:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 556 transitions. [2021-11-22 23:07:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:07:01,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:01,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:01,950 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:07:01,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:01,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 293 states and 560 transitions. [2021-11-22 23:07:01,974 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 560 transitions. [2021-11-22 23:07:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:07:01,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:01,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-22 23:07:02,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 296 states and 565 transitions. [2021-11-22 23:07:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 565 transitions. [2021-11-22 23:07:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:07:02,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:02,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:07:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 297 states and 566 transitions. [2021-11-22 23:07:02,081 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 566 transitions. [2021-11-22 23:07:02,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:07:02,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:02,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:02,112 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-22 23:07:02,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:02,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 298 states and 567 transitions. [2021-11-22 23:07:02,147 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 567 transitions. [2021-11-22 23:07:02,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:07:02,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:07:02,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:07:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:07:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-22 23:07:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:07:02,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 91 states and 119 transitions. [2021-11-22 23:07:02,237 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2021-11-22 23:07:02,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:07:02,238 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 62 iterations. [2021-11-22 23:07:02,247 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:07:02,534 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:07:02,538 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-22 23:07:02,546 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:07:02,546 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:07:02,546 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:07:02,547 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:07:02,547 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:07:02,547 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:07:02,547 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:07:02,547 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-22 23:07:02,548 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:07:02,548 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-22 23:07:02,549 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:07:02,550 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:07:02,550 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:07:02,550 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:07:02,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:07:02 ImpRootNode [2021-11-22 23:07:02,551 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:07:02,551 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:07:02,551 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:07:02,552 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:07:02,552 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:06:43" (3/4) ... [2021-11-22 23:07:02,555 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:07:02,563 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-22 23:07:02,564 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-22 23:07:02,564 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-22 23:07:02,564 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-22 23:07:02,564 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-22 23:07:02,564 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-22 23:07:02,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-22 23:07:02,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2021-11-22 23:07:02,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-22 23:07:02,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-22 23:07:02,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 23:07:02,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 23:07:02,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:07:02,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:07:02,617 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || (!(1 == systemActive) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive) [2021-11-22 23:07:02,685 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:07:02,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:07:02,686 INFO L158 Benchmark]: Toolchain (without parser) took 20112.39ms. Allocated memory was 96.5MB in the beginning and 234.9MB in the end (delta: 138.4MB). Free memory was 57.8MB in the beginning and 166.0MB in the end (delta: -108.2MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2021-11-22 23:07:02,687 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 74.9MB in the beginning and 74.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:07:02,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.49ms. Allocated memory is still 96.5MB. Free memory was 57.6MB in the beginning and 64.0MB in the end (delta: -6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:07:02,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.04ms. Allocated memory is still 96.5MB. Free memory was 64.0MB in the beginning and 61.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:07:02,689 INFO L158 Benchmark]: Boogie Preprocessor took 29.60ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 60.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:07:02,689 INFO L158 Benchmark]: RCFGBuilder took 594.96ms. Allocated memory is still 96.5MB. Free memory was 60.2MB in the beginning and 41.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 23:07:02,689 INFO L158 Benchmark]: CodeCheck took 18682.57ms. Allocated memory was 96.5MB in the beginning and 234.9MB in the end (delta: 138.4MB). Free memory was 40.8MB in the beginning and 171.2MB in the end (delta: -130.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-11-22 23:07:02,690 INFO L158 Benchmark]: Witness Printer took 133.86ms. Allocated memory is still 234.9MB. Free memory was 171.2MB in the beginning and 166.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 23:07:02,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.3s, OverallIterations: 62, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28123 SdHoareTripleChecker+Valid, 52.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16219 mSDsluCounter, 34606 SdHoareTripleChecker+Invalid, 44.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28469 mSDsCounter, 10953 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35914 IncrementalHoareTripleChecker+Invalid, 46867 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10953 mSolverCounterUnsat, 7793 mSDtfsCounter, 35914 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27209 GetRequests, 26874 SyntacticMatches, 9 SemanticMatches, 326 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49524 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2636 NumberOfCodeBlocks, 2636 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 2575 ConstructedInterpolants, 0 QuantifiedInterpolants, 4832 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 61 InterpolantComputations, 53 PerfectInterpolantSequences, 850/867 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: 92]: 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: 404]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || (!(1 == systemActive) && !(0 == systemActive))) || (!(pumpRunning == 0) && 1 == systemActive) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory was 74.9MB in the beginning and 74.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.49ms. Allocated memory is still 96.5MB. Free memory was 57.6MB in the beginning and 64.0MB in the end (delta: -6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.04ms. Allocated memory is still 96.5MB. Free memory was 64.0MB in the beginning and 61.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.60ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 60.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.96ms. Allocated memory is still 96.5MB. Free memory was 60.2MB in the beginning and 41.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 18682.57ms. Allocated memory was 96.5MB in the beginning and 234.9MB in the end (delta: 138.4MB). Free memory was 40.8MB in the beginning and 171.2MB in the end (delta: -130.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Witness Printer took 133.86ms. Allocated memory is still 234.9MB. Free memory was 171.2MB in the beginning and 166.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:07:02,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd2dae4-d891-46da-bd07-eb352810769f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE