./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.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_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/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_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/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_2d227829-8063-4a0e-9af7-0654bcdf7147/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 ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:06:41,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:06:41,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:06:41,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:06:41,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:06:41,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:06:41,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:06:41,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:06:41,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:06:41,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:06:41,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:06:41,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:06:41,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:06:41,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:06:41,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:06:41,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:06:41,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:06:41,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:06:41,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:06:41,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:06:41,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:06:41,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:06:41,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:06:41,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:06:41,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:06:41,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:06:41,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:06:41,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:06:41,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:06:41,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:06:41,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:06:41,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:06:41,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:06:41,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:06:41,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:06:41,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:06:41,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:06:41,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:06:41,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:06:41,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:06:41,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:06:41,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:06:41,984 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:06:41,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:06:41,986 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:06:41,987 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:06:41,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:06:41,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:06:41,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:06:41,988 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:06:41,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:06:41,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:06:41,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:06:41,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:06:41,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:06:41,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:06:41,997 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:06:41,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:06:41,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:06:41,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:06:41,998 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:06:41,998 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:06:41,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:06:41,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:06:41,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:06:41,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:06:41,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:06:42,000 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:06:42,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:06:42,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:06:42,000 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_2d227829-8063-4a0e-9af7-0654bcdf7147/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 [2021-10-29 04:06:42,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:06:42,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:06:42,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:06:42,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:06:42,394 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:06:42,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2021-10-29 04:06:42,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI/data/6551590f1/d74f565b49f64adfa39ff136fe64576d/FLAG217c61522 [2021-10-29 04:06:43,108 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:06:43,110 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2021-10-29 04:06:43,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI/data/6551590f1/d74f565b49f64adfa39ff136fe64576d/FLAG217c61522 [2021-10-29 04:06:43,396 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI/data/6551590f1/d74f565b49f64adfa39ff136fe64576d [2021-10-29 04:06:43,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:06:43,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:06:43,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:06:43,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:06:43,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:06:43,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:06:43" (1/1) ... [2021-10-29 04:06:43,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc7946f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:43, skipping insertion in model container [2021-10-29 04:06:43,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:06:43" (1/1) ... [2021-10-29 04:06:43,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:06:43,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:06:43,797 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_2d227829-8063-4a0e-9af7-0654bcdf7147/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2021-10-29 04:06:43,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:06:43,976 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:06:43,995 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_2d227829-8063-4a0e-9af7-0654bcdf7147/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2021-10-29 04:06:44,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:06:44,066 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:06:44,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:44 WrapperNode [2021-10-29 04:06:44,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:06:44,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:06:44,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:06:44,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:06:44,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:44" (1/1) ... [2021-10-29 04:06:44,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:44" (1/1) ... [2021-10-29 04:06:44,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:06:44,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:06:44,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:06:44,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:06:44,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:44" (1/1) ... [2021-10-29 04:06:44,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:44" (1/1) ... [2021-10-29 04:06:44,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:44" (1/1) ... [2021-10-29 04:06:44,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:44" (1/1) ... [2021-10-29 04:06:44,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:44" (1/1) ... [2021-10-29 04:06:44,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:44" (1/1) ... [2021-10-29 04:06:44,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:44" (1/1) ... [2021-10-29 04:06:44,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:06:44,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:06:44,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:06:44,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:06:44,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:06:44" (1/1) ... [2021-10-29 04:06:44,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:06:44,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:06:44,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:06:44,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:06:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:06:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-10-29 04:06:44,270 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-10-29 04:06:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-10-29 04:06:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-10-29 04:06:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-10-29 04:06:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-10-29 04:06:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-10-29 04:06:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-10-29 04:06:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-10-29 04:06:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-10-29 04:06:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-10-29 04:06:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-10-29 04:06:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:06:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-10-29 04:06:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-10-29 04:06:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:06:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:06:45,644 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:06:45,645 INFO L299 CfgBuilder]: Removed 34 assume(true) statements. [2021-10-29 04:06:45,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:06:45 BoogieIcfgContainer [2021-10-29 04:06:45,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:06:45,649 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:06:45,649 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:06:45,661 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:06:45,661 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:06:45" (1/1) ... [2021-10-29 04:06:45,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:06:45,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:45,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2021-10-29 04:06:45,703 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2021-10-29 04:06:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:06:45,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:45,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:46,011 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 04:06:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:46,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2021-10-29 04:06:46,025 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2021-10-29 04:06:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:06:46,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:46,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:46,176 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 04:06:46,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:46,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2021-10-29 04:06:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2021-10-29 04:06:46,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:06:46,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:46,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:46,402 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 04:06:46,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:46,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2021-10-29 04:06:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2021-10-29 04:06:46,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:06:46,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:46,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:46,889 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 04:06:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 79 states and 117 transitions. [2021-10-29 04:06:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 117 transitions. [2021-10-29 04:06:47,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:06:47,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:47,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:47,578 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 04:06:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:47,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2021-10-29 04:06:47,701 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2021-10-29 04:06:47,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:06:47,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:47,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:47,803 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 04:06:48,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:48,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 101 states and 167 transitions. [2021-10-29 04:06:48,885 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2021-10-29 04:06:48,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:06:48,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:48,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:48,937 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 04:06:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2021-10-29 04:06:49,066 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2021-10-29 04:06:49,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:06:49,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:49,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:49,154 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 04:06:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 176 transitions. [2021-10-29 04:06:49,332 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions. [2021-10-29 04:06:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:06:49,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:49,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:06:49,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:49,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 112 states and 186 transitions. [2021-10-29 04:06:49,553 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 186 transitions. [2021-10-29 04:06:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 04:06:49,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:49,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:06:49,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 113 states and 187 transitions. [2021-10-29 04:06:49,611 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 187 transitions. [2021-10-29 04:06:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 04:06:49,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:49,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:06:49,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:49,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 114 states and 189 transitions. [2021-10-29 04:06:49,793 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 189 transitions. [2021-10-29 04:06:49,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 04:06:49,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:49,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:06:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:49,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 119 states and 199 transitions. [2021-10-29 04:06:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 199 transitions. [2021-10-29 04:06:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 04:06:49,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:49,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:06:49,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 120 states and 200 transitions. [2021-10-29 04:06:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2021-10-29 04:06:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 04:06:49,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:49,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:06:50,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 121 states and 201 transitions. [2021-10-29 04:06:50,054 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2021-10-29 04:06:50,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 04:06:50,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:50,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:50,388 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:06:51,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:51,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 124 states and 209 transitions. [2021-10-29 04:06:51,089 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2021-10-29 04:06:51,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 04:06:51,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:51,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:06:51,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 127 states and 218 transitions. [2021-10-29 04:06:51,508 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 218 transitions. [2021-10-29 04:06:51,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 04:06:51,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:51,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:51,546 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:06:51,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:51,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 129 states and 222 transitions. [2021-10-29 04:06:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 222 transitions. [2021-10-29 04:06:51,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 04:06:51,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:51,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:06:52,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:52,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 237 transitions. [2021-10-29 04:06:52,507 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 237 transitions. [2021-10-29 04:06:52,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 04:06:52,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:52,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 04:06:54,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:54,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 150 states and 264 transitions. [2021-10-29 04:06:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 264 transitions. [2021-10-29 04:06:54,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 04:06:54,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:54,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:54,087 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 04:06:55,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:55,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 156 states and 280 transitions. [2021-10-29 04:06:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 280 transitions. [2021-10-29 04:06:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 04:06:55,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:55,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:55,130 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 04:06:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:55,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 158 states and 281 transitions. [2021-10-29 04:06:55,148 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 281 transitions. [2021-10-29 04:06:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 04:06:55,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:55,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 04:06:55,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:55,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 164 states and 293 transitions. [2021-10-29 04:06:55,769 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 293 transitions. [2021-10-29 04:06:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-10-29 04:06:55,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:55,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 04:06:56,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:56,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 165 states and 293 transitions. [2021-10-29 04:06:56,076 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 293 transitions. [2021-10-29 04:06:56,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-29 04:06:56,078 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:56,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 04:06:56,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:56,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 172 states and 305 transitions. [2021-10-29 04:06:56,757 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 305 transitions. [2021-10-29 04:06:56,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 04:06:56,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:56,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-29 04:06:56,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:56,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 173 states and 306 transitions. [2021-10-29 04:06:56,860 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 306 transitions. [2021-10-29 04:06:56,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-10-29 04:06:56,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:56,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:56,919 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 35 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-29 04:06:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:57,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 55 states and 66 transitions. [2021-10-29 04:06:57,567 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2021-10-29 04:06:57,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:06:57,567 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2021-10-29 04:06:57,573 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:06:57,815 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:06:57,818 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:06:57,818 INFO L565 CodeCheckObserver]: Invariant with dag size 11 [2021-10-29 04:06:57,822 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:06:57,822 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:06:57,823 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:06:57,823 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:06:57,823 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:06:57,824 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:06:57,824 INFO L565 CodeCheckObserver]: Invariant with dag size 9 [2021-10-29 04:06:57,830 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:06:57,831 INFO L565 CodeCheckObserver]: Invariant with dag size 7 [2021-10-29 04:06:57,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:06:57 ImpRootNode [2021-10-29 04:06:57,833 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:06:57,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:06:57,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:06:57,836 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:06:57,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:06:45" (3/4) ... [2021-10-29 04:06:57,841 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:06:57,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-10-29 04:06:57,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-10-29 04:06:57,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-10-29 04:06:57,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-10-29 04:06:57,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-10-29 04:06:57,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-10-29 04:06:57,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-10-29 04:06:57,869 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-10-29 04:06:57,869 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 04:06:57,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-29 04:06:57,871 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:06:57,872 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:06:57,872 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:06:57,873 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:06:57,903 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2021-10-29 04:06:57,961 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:06:57,964 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:06:57,969 INFO L168 Benchmark]: Toolchain (without parser) took 14563.86 ms. Allocated memory was 94.4 MB in the beginning and 151.0 MB in the end (delta: 56.6 MB). Free memory was 56.3 MB in the beginning and 68.1 MB in the end (delta: -11.8 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:06:57,969 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory was 73.4 MB in the beginning and 73.3 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:06:57,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.90 ms. Allocated memory is still 94.4 MB. Free memory was 56.1 MB in the beginning and 61.7 MB in the end (delta: -5.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:06:57,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.06 ms. Allocated memory is still 94.4 MB. Free memory was 61.7 MB in the beginning and 59.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:06:57,971 INFO L168 Benchmark]: Boogie Preprocessor took 36.09 ms. Allocated memory is still 94.4 MB. Free memory was 59.2 MB in the beginning and 57.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:06:57,972 INFO L168 Benchmark]: RCFGBuilder took 1474.21 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 57.3 MB in the beginning and 81.9 MB in the end (delta: -24.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:06:57,972 INFO L168 Benchmark]: CodeCheck took 12184.37 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 81.1 MB in the beginning and 73.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:06:57,973 INFO L168 Benchmark]: Witness Printer took 128.78 ms. Allocated memory is still 151.0 MB. Free memory was 73.3 MB in the beginning and 68.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:06:57,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.8s, 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: 1636686468 SDtfs, 578362454 SDslu, 1083167492 SDs, 0 SdLazy, 1202325262 SolverSat, 404659264 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10436 GetRequests, 10219 SyntacticMatches, 3 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18851 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1050 NumberOfCodeBlocks, 1050 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1024 ConstructedInterpolants, 0 QuantifiedInterpolants, 1953 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 19 PerfectInterpolantSequences, 321/354 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: 140]: 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: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == systemActive - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory was 73.4 MB in the beginning and 73.3 MB in the end (delta: 54.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 662.90 ms. Allocated memory is still 94.4 MB. Free memory was 56.1 MB in the beginning and 61.7 MB in the end (delta: -5.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.06 ms. Allocated memory is still 94.4 MB. Free memory was 61.7 MB in the beginning and 59.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.09 ms. Allocated memory is still 94.4 MB. Free memory was 59.2 MB in the beginning and 57.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1474.21 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 57.3 MB in the beginning and 81.9 MB in the end (delta: -24.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * CodeCheck took 12184.37 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 81.1 MB in the beginning and 73.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. * Witness Printer took 128.78 ms. Allocated memory is still 151.0 MB. Free memory was 73.3 MB in the beginning and 68.1 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 04:06:58,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d227829-8063-4a0e-9af7-0654bcdf7147/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...