./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.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_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/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_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/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_f86380a6-2e86-4901-9035-f7d2742ca6a5/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 57b9da01117a2ba17baea08a2ca63a083a2352f35e4a8b92086e48b0ce29e696 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:55:25,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:55:25,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:55:26,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:55:26,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:55:26,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:55:26,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:55:26,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:55:26,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:55:26,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:55:26,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:55:26,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:55:26,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:55:26,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:55:26,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:55:26,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:55:26,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:55:26,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:55:26,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:55:26,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:55:26,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:55:26,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:55:26,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:55:26,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:55:26,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:55:26,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:55:26,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:55:26,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:55:26,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:55:26,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:55:26,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:55:26,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:55:26,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:55:26,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:55:26,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:55:26,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:55:26,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:55:26,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:55:26,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:55:26,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:55:26,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:55:26,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:55:26,122 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:55:26,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:55:26,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:55:26,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:55:26,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:55:26,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:55:26,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:55:26,128 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:55:26,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:55:26,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:55:26,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:55:26,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:55:26,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:55:26,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:55:26,131 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:55:26,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:55:26,132 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:55:26,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:55:26,132 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:55:26,132 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:55:26,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:55:26,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:55:26,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:55:26,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:55:26,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:55:26,134 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:55:26,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:55:26,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:55:26,135 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_f86380a6-2e86-4901-9035-f7d2742ca6a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57b9da01117a2ba17baea08a2ca63a083a2352f35e4a8b92086e48b0ce29e696 [2021-10-29 02:55:26,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:55:26,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:55:26,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:55:26,490 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:55:26,491 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:55:26,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2021-10-29 02:55:26,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI/data/f608b6f14/18e52d5df80f4aaa8df9c6a28c4d413d/FLAGa49ae7c85 [2021-10-29 02:55:27,074 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:55:27,075 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2021-10-29 02:55:27,088 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI/data/f608b6f14/18e52d5df80f4aaa8df9c6a28c4d413d/FLAGa49ae7c85 [2021-10-29 02:55:27,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI/data/f608b6f14/18e52d5df80f4aaa8df9c6a28c4d413d [2021-10-29 02:55:27,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:55:27,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:55:27,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:55:27,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:55:27,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:55:27,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:55:27" (1/1) ... [2021-10-29 02:55:27,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e57827e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:55:27, skipping insertion in model container [2021-10-29 02:55:27,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:55:27" (1/1) ... [2021-10-29 02:55:27,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:55:27,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:55:27,911 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_f86380a6-2e86-4901-9035-f7d2742ca6a5/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c[18223,18236] [2021-10-29 02:55:27,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:55:27,937 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:55:28,064 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_f86380a6-2e86-4901-9035-f7d2742ca6a5/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c[18223,18236] [2021-10-29 02:55:28,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:55:28,086 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:55:28,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:55:28 WrapperNode [2021-10-29 02:55:28,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:55:28,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:55:28,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:55:28,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:55:28,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:55:28" (1/1) ... [2021-10-29 02:55:28,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:55:28" (1/1) ... [2021-10-29 02:55:28,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:55:28,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:55:28,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:55:28,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:55:28,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:55:28" (1/1) ... [2021-10-29 02:55:28,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:55:28" (1/1) ... [2021-10-29 02:55:28,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:55:28" (1/1) ... [2021-10-29 02:55:28,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:55:28" (1/1) ... [2021-10-29 02:55:28,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:55:28" (1/1) ... [2021-10-29 02:55:28,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:55:28" (1/1) ... [2021-10-29 02:55:28,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:55:28" (1/1) ... [2021-10-29 02:55:28,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:55:28,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:55:28,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:55:28,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:55:28,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:55:28" (1/1) ... [2021-10-29 02:55:28,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:55:28,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:55:28,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:55:28,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:55:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:55:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-10-29 02:55:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-10-29 02:55:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-10-29 02:55:28,379 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-10-29 02:55:28,379 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-10-29 02:55:28,379 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-10-29 02:55:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-10-29 02:55:28,380 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-10-29 02:55:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-10-29 02:55:28,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-10-29 02:55:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-10-29 02:55:28,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-10-29 02:55:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-10-29 02:55:28,381 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-10-29 02:55:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:55:28,382 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-10-29 02:55:28,382 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-10-29 02:55:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:55:28,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:55:29,618 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:55:29,618 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-10-29 02:55:29,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:55:29 BoogieIcfgContainer [2021-10-29 02:55:29,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:55:29,622 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:55:29,622 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:55:29,633 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:55:29,633 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:55:29" (1/1) ... [2021-10-29 02:55:29,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:55:29,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2021-10-29 02:55:29,699 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2021-10-29 02:55:29,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 02:55:29,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:29,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:29,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:29,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2021-10-29 02:55:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2021-10-29 02:55:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 02:55:29,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:29,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:30,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:30,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:30,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2021-10-29 02:55:30,171 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2021-10-29 02:55:30,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 02:55:30,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:30,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:30,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:30,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:30,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2021-10-29 02:55:30,586 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2021-10-29 02:55:30,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 02:55:30,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:30,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:30,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 80 states and 125 transitions. [2021-10-29 02:55:30,935 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 125 transitions. [2021-10-29 02:55:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 02:55:30,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:30,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:31,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:31,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2021-10-29 02:55:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2021-10-29 02:55:31,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 02:55:31,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:31,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:31,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:31,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 83 states and 129 transitions. [2021-10-29 02:55:31,206 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2021-10-29 02:55:31,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 02:55:31,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:31,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:31,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:31,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 86 states and 136 transitions. [2021-10-29 02:55:31,390 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 136 transitions. [2021-10-29 02:55:31,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 02:55:31,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:31,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:31,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:31,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:31,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 88 states and 138 transitions. [2021-10-29 02:55:31,519 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2021-10-29 02:55:31,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 02:55:31,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:31,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:31,626 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 02:55:31,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:31,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 90 states and 143 transitions. [2021-10-29 02:55:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2021-10-29 02:55:31,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 02:55:31,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:31,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 137 transitions. [2021-10-29 02:55:31,922 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2021-10-29 02:55:31,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 02:55:31,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:31,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:32,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 99 states and 169 transitions. [2021-10-29 02:55:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 169 transitions. [2021-10-29 02:55:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 02:55:32,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:32,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:32,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:55:33,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:33,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 105 states and 185 transitions. [2021-10-29 02:55:33,147 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 185 transitions. [2021-10-29 02:55:33,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 02:55:33,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:33,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:55:33,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:33,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 108 states and 192 transitions. [2021-10-29 02:55:33,218 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 192 transitions. [2021-10-29 02:55:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 02:55:33,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:33,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:33,253 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:55:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:33,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 112 states and 197 transitions. [2021-10-29 02:55:33,399 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 197 transitions. [2021-10-29 02:55:33,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 02:55:33,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:33,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:33,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 113 states and 200 transitions. [2021-10-29 02:55:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 200 transitions. [2021-10-29 02:55:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 02:55:33,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:33,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:33,646 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:33,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 114 states and 203 transitions. [2021-10-29 02:55:33,667 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 203 transitions. [2021-10-29 02:55:33,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 02:55:33,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:33,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:34,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 121 states and 215 transitions. [2021-10-29 02:55:34,257 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 215 transitions. [2021-10-29 02:55:34,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 02:55:34,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:34,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:34,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:55:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 123 states and 217 transitions. [2021-10-29 02:55:34,322 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 217 transitions. [2021-10-29 02:55:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 02:55:34,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:34,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:55:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 130 states and 239 transitions. [2021-10-29 02:55:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 239 transitions. [2021-10-29 02:55:35,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 02:55:35,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:35,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:55:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:35,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 134 states and 246 transitions. [2021-10-29 02:55:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 246 transitions. [2021-10-29 02:55:35,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 02:55:35,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:35,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:35,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 02:55:36,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:36,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 137 states and 249 transitions. [2021-10-29 02:55:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 249 transitions. [2021-10-29 02:55:36,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-29 02:55:36,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:36,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:36,676 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-29 02:55:36,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:36,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 138 states and 249 transitions. [2021-10-29 02:55:36,691 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 249 transitions. [2021-10-29 02:55:36,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 02:55:36,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:36,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:36,782 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 02:55:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 143 states and 261 transitions. [2021-10-29 02:55:37,490 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 261 transitions. [2021-10-29 02:55:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-29 02:55:37,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:37,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:37,657 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 02:55:38,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:38,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 145 states and 267 transitions. [2021-10-29 02:55:38,114 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 267 transitions. [2021-10-29 02:55:38,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 02:55:38,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:38,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 02:55:38,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:38,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 149 states and 276 transitions. [2021-10-29 02:55:38,827 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 276 transitions. [2021-10-29 02:55:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-29 02:55:38,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:55:38,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:55:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:55:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-29 02:55:38,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:55:38,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 79 states and 112 transitions. [2021-10-29 02:55:38,900 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2021-10-29 02:55:38,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 02:55:38,900 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2021-10-29 02:55:38,906 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 02:55:39,086 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:39,090 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:39,090 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 02:55:39,093 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:39,093 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:39,093 INFO L565 CodeCheckObserver]: Invariant with dag size 7 [2021-10-29 02:55:39,094 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:39,094 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:39,095 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:39,095 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:39,096 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:39,096 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:39,096 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:55:39,096 INFO L565 CodeCheckObserver]: Invariant with dag size 11 [2021-10-29 02:55:39,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:55:39 ImpRootNode [2021-10-29 02:55:39,097 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:55:39,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:55:39,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:55:39,098 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:55:39,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:55:29" (3/4) ... [2021-10-29 02:55:39,101 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:55:39,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-10-29 02:55:39,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-10-29 02:55:39,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-10-29 02:55:39,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-10-29 02:55:39,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-10-29 02:55:39,107 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-10-29 02:55:39,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-10-29 02:55:39,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-10-29 02:55:39,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2021-10-29 02:55:39,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-10-29 02:55:39,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-29 02:55:39,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 02:55:39,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 02:55:39,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:55:39,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:55:39,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2021-10-29 02:55:39,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-10-29 02:55:39,184 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:55:39,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:55:39,185 INFO L168 Benchmark]: Toolchain (without parser) took 11779.56 ms. Allocated memory was 83.9 MB in the beginning and 159.4 MB in the end (delta: 75.5 MB). Free memory was 45.3 MB in the beginning and 76.9 MB in the end (delta: -31.5 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:39,186 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:55:39,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.85 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 45.1 MB in the beginning and 76.5 MB in the end (delta: -31.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:39,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.47 ms. Allocated memory is still 109.1 MB. Free memory was 76.0 MB in the beginning and 73.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:39,187 INFO L168 Benchmark]: Boogie Preprocessor took 42.54 ms. Allocated memory is still 109.1 MB. Free memory was 73.9 MB in the beginning and 71.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:39,187 INFO L168 Benchmark]: RCFGBuilder took 1361.99 ms. Allocated memory is still 109.1 MB. Free memory was 71.8 MB in the beginning and 68.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:39,188 INFO L168 Benchmark]: CodeCheck took 9475.51 ms. Allocated memory was 109.1 MB in the beginning and 159.4 MB in the end (delta: 50.3 MB). Free memory was 68.9 MB in the beginning and 82.1 MB in the end (delta: -13.2 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:39,188 INFO L168 Benchmark]: Witness Printer took 86.41 ms. Allocated memory is still 159.4 MB. Free memory was 82.1 MB in the beginning and 76.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 02:55:39,191 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, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1332459088 SDtfs, 473203112 SDslu, 1111341520 SDs, 0 SdLazy, 851212316 SolverSat, 295650996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9256 GetRequests, 9062 SyntacticMatches, 14 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13249 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 844 NumberOfCodeBlocks, 844 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 818 ConstructedInterpolants, 0 QuantifiedInterpolants, 2006 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 21 PerfectInterpolantSequences, 263/295 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: 954]: 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: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: ((tmp == waterLevel && pumpRunning == 0) && tmp == 1) && tmp == systemActive * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 680.85 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 45.1 MB in the beginning and 76.5 MB in the end (delta: -31.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 126.47 ms. Allocated memory is still 109.1 MB. Free memory was 76.0 MB in the beginning and 73.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.54 ms. Allocated memory is still 109.1 MB. Free memory was 73.9 MB in the beginning and 71.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1361.99 ms. Allocated memory is still 109.1 MB. Free memory was 71.8 MB in the beginning and 68.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * CodeCheck took 9475.51 ms. Allocated memory was 109.1 MB in the beginning and 159.4 MB in the end (delta: 50.3 MB). Free memory was 68.9 MB in the beginning and 82.1 MB in the end (delta: -13.2 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB. * Witness Printer took 86.41 ms. Allocated memory is still 159.4 MB. Free memory was 82.1 MB in the beginning and 76.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 02:55:39,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f86380a6-2e86-4901-9035-f7d2742ca6a5/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...