./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 311cf727219391e066955da60e9a83cfca77eaf7b53c342c6934d47c5123e76f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:18:21,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:18:21,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:18:21,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:18:21,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:18:21,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:18:21,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:18:21,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:18:21,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:18:21,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:18:21,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:18:21,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:18:21,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:18:21,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:18:21,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:18:21,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:18:21,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:18:21,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:18:21,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:18:21,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:18:21,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:18:21,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:18:21,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:18:21,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:18:21,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:18:21,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:18:21,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:18:21,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:18:21,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:18:21,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:18:21,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:18:21,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:18:21,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:18:21,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:18:21,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:18:21,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:18:21,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:18:21,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:18:21,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:18:21,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:18:21,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:18:21,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:18:21,211 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:18:21,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:18:21,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:18:21,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:18:21,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:18:21,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:18:21,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:18:21,214 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:18:21,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:18:21,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:18:21,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:18:21,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:18:21,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:18:21,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:18:21,215 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:18:21,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:18:21,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:18:21,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:18:21,216 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:18:21,217 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:18:21,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:18:21,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:18:21,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:18:21,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:18:21,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:18:21,218 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:18:21,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:18:21,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:18:21,218 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_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 311cf727219391e066955da60e9a83cfca77eaf7b53c342c6934d47c5123e76f [2021-10-29 03:18:21,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:18:21,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:18:21,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:18:21,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:18:21,554 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:18:21,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2021-10-29 03:18:21,620 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/data/eb534fe98/2f6097f9e0c048fe9d4ed086724ece35/FLAGa9dc41125 [2021-10-29 03:18:22,224 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:18:22,224 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2021-10-29 03:18:22,244 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/data/eb534fe98/2f6097f9e0c048fe9d4ed086724ece35/FLAGa9dc41125 [2021-10-29 03:18:22,501 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/data/eb534fe98/2f6097f9e0c048fe9d4ed086724ece35 [2021-10-29 03:18:22,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:18:22,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:18:22,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:18:22,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:18:22,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:18:22,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:18:22" (1/1) ... [2021-10-29 03:18:22,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c99515d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:18:22, skipping insertion in model container [2021-10-29 03:18:22,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:18:22" (1/1) ... [2021-10-29 03:18:22,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:18:22,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:18:22,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c[15256,15269] [2021-10-29 03:18:22,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:18:22,967 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:18:23,093 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c[15256,15269] [2021-10-29 03:18:23,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:18:23,128 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:18:23,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:18:23 WrapperNode [2021-10-29 03:18:23,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:18:23,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:18:23,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:18:23,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:18:23,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:18:23" (1/1) ... [2021-10-29 03:18:23,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:18:23" (1/1) ... [2021-10-29 03:18:23,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:18:23,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:18:23,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:18:23,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:18:23,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:18:23" (1/1) ... [2021-10-29 03:18:23,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:18:23" (1/1) ... [2021-10-29 03:18:23,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:18:23" (1/1) ... [2021-10-29 03:18:23,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:18:23" (1/1) ... [2021-10-29 03:18:23,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:18:23" (1/1) ... [2021-10-29 03:18:23,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:18:23" (1/1) ... [2021-10-29 03:18:23,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:18:23" (1/1) ... [2021-10-29 03:18:23,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:18:23,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:18:23,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:18:23,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:18:23,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:18:23" (1/1) ... [2021-10-29 03:18:23,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:18:23,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:18:23,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:18:23,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:18:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:18:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-10-29 03:18:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-10-29 03:18:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-10-29 03:18:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-10-29 03:18:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-10-29 03:18:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-10-29 03:18:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-10-29 03:18:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-10-29 03:18:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-10-29 03:18:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-10-29 03:18:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-10-29 03:18:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-10-29 03:18:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-10-29 03:18:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-10-29 03:18:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:18:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-10-29 03:18:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-10-29 03:18:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:18:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:18:24,622 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:18:24,623 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-29 03:18:24,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:18:24 BoogieIcfgContainer [2021-10-29 03:18:24,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:18:24,627 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:18:24,627 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:18:24,638 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:18:24,639 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:18:24" (1/1) ... [2021-10-29 03:18:24,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:18:24,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:24,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 82 transitions. [2021-10-29 03:18:24,690 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2021-10-29 03:18:24,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:18:24,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:24,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:24,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2021-10-29 03:18:24,957 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2021-10-29 03:18:24,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:18:24,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:24,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:25,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:25,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2021-10-29 03:18:25,097 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2021-10-29 03:18:25,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:18:25,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:25,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:25,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:25,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 104 transitions. [2021-10-29 03:18:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2021-10-29 03:18:25,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:18:25,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:25,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:25,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:25,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:25,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2021-10-29 03:18:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2021-10-29 03:18:25,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:18:25,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:25,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:25,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2021-10-29 03:18:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-29 03:18:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:18:25,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:25,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:25,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:25,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 107 transitions. [2021-10-29 03:18:25,789 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2021-10-29 03:18:25,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:18:25,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:25,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:26,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 145 transitions. [2021-10-29 03:18:26,383 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2021-10-29 03:18:26,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:18:26,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:26,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:26,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:26,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 173 transitions. [2021-10-29 03:18:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2021-10-29 03:18:26,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:18:26,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:26,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:27,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:27,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:27,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 107 states and 181 transitions. [2021-10-29 03:18:27,159 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 181 transitions. [2021-10-29 03:18:27,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:18:27,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:27,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:27,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:27,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 108 states and 182 transitions. [2021-10-29 03:18:27,250 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 182 transitions. [2021-10-29 03:18:27,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:18:27,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:27,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 109 states and 185 transitions. [2021-10-29 03:18:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2021-10-29 03:18:27,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:18:27,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:27,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:27,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:27,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 192 transitions. [2021-10-29 03:18:27,471 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 192 transitions. [2021-10-29 03:18:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:18:27,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:27,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:27,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:27,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:27,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 193 transitions. [2021-10-29 03:18:27,554 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 193 transitions. [2021-10-29 03:18:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:18:27,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:27,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:27,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:27,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:27,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 119 states and 201 transitions. [2021-10-29 03:18:27,756 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 201 transitions. [2021-10-29 03:18:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:18:27,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:27,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:27,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:27,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:27,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 120 states and 202 transitions. [2021-10-29 03:18:27,835 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 202 transitions. [2021-10-29 03:18:27,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:18:27,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:27,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:28,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:28,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2021-10-29 03:18:28,437 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2021-10-29 03:18:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:18:28,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:28,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:28,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 133 states and 230 transitions. [2021-10-29 03:18:28,677 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 230 transitions. [2021-10-29 03:18:28,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:18:28,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:28,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:28,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:28,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 134 states and 231 transitions. [2021-10-29 03:18:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 231 transitions. [2021-10-29 03:18:28,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:18:28,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:28,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:30,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 149 states and 269 transitions. [2021-10-29 03:18:30,530 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 269 transitions. [2021-10-29 03:18:30,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:18:30,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:30,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:18:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:18:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:18:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 150 states and 270 transitions. [2021-10-29 03:18:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 270 transitions. [2021-10-29 03:18:30,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:18:30,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:18:30,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:18:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:18:30,942 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:18:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:18:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:18:31,270 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:18:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:18:31,553 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2021-10-29 03:18:31,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:18:31 ImpRootNode [2021-10-29 03:18:31,766 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:18:31,767 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:18:31,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:18:31,767 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:18:31,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:18:24" (3/4) ... [2021-10-29 03:18:31,769 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:18:31,866 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:18:31,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:18:31,868 INFO L168 Benchmark]: Toolchain (without parser) took 9362.12 ms. Allocated memory was 90.2 MB in the beginning and 138.4 MB in the end (delta: 48.2 MB). Free memory was 53.5 MB in the beginning and 74.1 MB in the end (delta: -20.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:18:31,868 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory was 71.3 MB in the beginning and 71.2 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:18:31,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.19 ms. Allocated memory is still 90.2 MB. Free memory was 53.3 MB in the beginning and 59.3 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:18:31,869 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.32 ms. Allocated memory is still 90.2 MB. Free memory was 59.3 MB in the beginning and 56.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:18:31,870 INFO L168 Benchmark]: Boogie Preprocessor took 53.28 ms. Allocated memory is still 90.2 MB. Free memory was 56.7 MB in the beginning and 54.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:18:31,871 INFO L168 Benchmark]: RCFGBuilder took 1377.15 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 54.6 MB in the beginning and 61.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:18:31,871 INFO L168 Benchmark]: CodeCheck took 7139.05 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 61.1 MB in the beginning and 86.7 MB in the end (delta: -25.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:18:31,872 INFO L168 Benchmark]: Witness Printer took 99.70 ms. Allocated memory is still 138.4 MB. Free memory was 86.7 MB in the beginning and 74.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:18:31,875 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 9 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 22868240 SDtfs, 7660900 SDslu, 12130084 SDs, 0 SdLazy, 8466552 SolverSat, 2610588 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4526 GetRequests, 4391 SyntacticMatches, 27 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5282 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 537 NumberOfCodeBlocks, 537 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 484 ConstructedInterpolants, 0 QuantifiedInterpolants, 1101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 714]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L513] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L783] int cleanupTimeShifts = 4; [L880] int waterLevel = 1; [L881] int methaneLevelCritical = 0; [L856] int retValue_acc ; [L857] int tmp ; [L748] int retValue_acc ; [L751] retValue_acc = 1 [L752] return (retValue_acc); [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L77] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L898] COND TRUE waterLevel < 2 [L899] waterLevel = waterLevel + 1 [L77] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L87] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L910] COND FALSE !(\read(methaneLevelCritical)) [L913] methaneLevelCritical = 1 [L87] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L110] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L139] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L146] COND TRUE \read(systemActive) [L194] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L197] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L212] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L168] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L171] COND TRUE ! pumpRunning [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L960] int retValue_acc ; [L963] COND FALSE !(waterLevel < 2) [L967] retValue_acc = 0 [L968] return (retValue_acc); [L297] tmp = isHighWaterSensorDry() [L299] COND FALSE !(\read(tmp)) [L302] tmp___0 = 1 [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); [L173] tmp = isHighWaterLevel() [L175] COND TRUE \read(tmp) [L222] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L212] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L758] int tmp ; [L759] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L763] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L919] int retValue_acc ; [L922] retValue_acc = methaneLevelCritical [L923] return (retValue_acc); [L763] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L763] tmp = isMethaneLevelCritical() [L765] COND TRUE \read(tmp) [L246] int retValue_acc ; [L249] retValue_acc = pumpRunning [L250] return (retValue_acc); [L767] tmp___0 = isPumpRunning() [L769] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L714] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory was 71.3 MB in the beginning and 71.2 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 623.19 ms. Allocated memory is still 90.2 MB. Free memory was 53.3 MB in the beginning and 59.3 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.32 ms. Allocated memory is still 90.2 MB. Free memory was 59.3 MB in the beginning and 56.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.28 ms. Allocated memory is still 90.2 MB. Free memory was 56.7 MB in the beginning and 54.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1377.15 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 54.6 MB in the beginning and 61.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * CodeCheck took 7139.05 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 61.1 MB in the beginning and 86.7 MB in the end (delta: -25.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 99.70 ms. Allocated memory is still 138.4 MB. Free memory was 86.7 MB in the beginning and 74.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:18:31,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa182235-5380-4181-89eb-3165f4a084a1/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...