./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak --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 d8dfaf8ef68175aa3f4082d006a42419867490ad ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:18:41,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:18:41,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:18:41,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:18:41,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:18:41,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:18:41,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:18:41,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:18:41,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:18:41,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:18:41,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:18:41,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:18:41,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:18:41,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:18:41,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:18:41,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:18:41,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:18:41,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:18:41,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:18:41,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:18:41,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:18:41,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:18:41,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:18:41,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:18:41,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:18:41,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:18:41,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:18:41,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:18:41,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:18:41,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:18:41,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:18:41,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:18:41,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:18:41,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:18:41,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:18:41,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:18:41,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:18:41,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:18:41,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:18:41,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:18:41,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:18:41,297 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 21:18:41,336 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:18:41,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:18:41,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:18:41,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:18:41,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:18:41,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:18:41,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:18:41,340 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:18:41,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:18:41,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:18:41,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:18:41,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:18:41,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:18:41,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:18:41,343 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:18:41,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:18:41,343 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:18:41,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:18:41,344 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:18:41,344 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:18:41,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:18:41,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:18:41,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:18:41,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:18:41,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:18:41,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:18:41,346 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:18:41,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:18:41,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:18:41,346 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-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8dfaf8ef68175aa3f4082d006a42419867490ad [2020-11-29 21:18:41,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:18:41,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:18:41,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:18:41,724 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:18:41,728 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:18:41,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2020-11-29 21:18:41,811 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak/data/04716be22/351a63f351bb4d9eaa5cc62dd22d3ac4/FLAGf01990a94 [2020-11-29 21:18:42,375 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:18:42,376 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2020-11-29 21:18:42,396 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak/data/04716be22/351a63f351bb4d9eaa5cc62dd22d3ac4/FLAGf01990a94 [2020-11-29 21:18:42,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak/data/04716be22/351a63f351bb4d9eaa5cc62dd22d3ac4 [2020-11-29 21:18:42,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:18:42,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:18:42,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:18:42,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:18:42,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:18:42,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:18:42" (1/1) ... [2020-11-29 21:18:42,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289046ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:42, skipping insertion in model container [2020-11-29 21:18:42,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:18:42" (1/1) ... [2020-11-29 21:18:42,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:18:42,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:18:43,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:18:43,060 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:18:43,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:18:43,161 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:18:43,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:43 WrapperNode [2020-11-29 21:18:43,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:18:43,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:18:43,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:18:43,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:18:43,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:43" (1/1) ... [2020-11-29 21:18:43,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:43" (1/1) ... [2020-11-29 21:18:43,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:18:43,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:18:43,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:18:43,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:18:43,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:43" (1/1) ... [2020-11-29 21:18:43,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:43" (1/1) ... [2020-11-29 21:18:43,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:43" (1/1) ... [2020-11-29 21:18:43,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:43" (1/1) ... [2020-11-29 21:18:43,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:43" (1/1) ... [2020-11-29 21:18:43,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:43" (1/1) ... [2020-11-29 21:18:43,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:43" (1/1) ... [2020-11-29 21:18:43,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:18:43,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:18:43,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:18:43,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:18:43,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:18:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:18:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 21:18:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 21:18:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 21:18:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 21:18:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 21:18:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 21:18:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 21:18:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 21:18:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 21:18:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 21:18:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 21:18:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 21:18:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-29 21:18:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-29 21:18:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 21:18:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 21:18:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:18:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 21:18:43,370 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 21:18:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:18:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:18:44,834 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:18:44,835 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-11-29 21:18:44,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:18:44 BoogieIcfgContainer [2020-11-29 21:18:44,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:18:44,838 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:18:44,838 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:18:44,848 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:18:44,848 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:18:44" (1/1) ... [2020-11-29 21:18:44,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:44,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:44,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2020-11-29 21:18:44,894 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-11-29 21:18:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 21:18:44,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:45,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:45,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2020-11-29 21:18:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2020-11-29 21:18:45,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 21:18:45,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:45,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2020-11-29 21:18:45,428 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2020-11-29 21:18:45,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 21:18:45,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:45,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:45,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:45,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2020-11-29 21:18:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2020-11-29 21:18:45,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 21:18:45,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:46,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 75 states and 101 transitions. [2020-11-29 21:18:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2020-11-29 21:18:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 21:18:46,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:46,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 76 states and 102 transitions. [2020-11-29 21:18:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2020-11-29 21:18:46,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 21:18:46,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:46,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 91 states and 131 transitions. [2020-11-29 21:18:46,870 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2020-11-29 21:18:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 21:18:46,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:46,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:46,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 92 states and 132 transitions. [2020-11-29 21:18:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 132 transitions. [2020-11-29 21:18:46,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 21:18:46,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:47,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:48,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:48,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 110 states and 171 transitions. [2020-11-29 21:18:48,580 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 171 transitions. [2020-11-29 21:18:48,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 21:18:48,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:48,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:48,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:48,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 112 states and 176 transitions. [2020-11-29 21:18:48,995 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 176 transitions. [2020-11-29 21:18:48,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 21:18:48,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:18:49,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:49,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 110 states and 170 transitions. [2020-11-29 21:18:49,054 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 170 transitions. [2020-11-29 21:18:49,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 21:18:49,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:18:49,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:49,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 111 states and 171 transitions. [2020-11-29 21:18:49,110 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 171 transitions. [2020-11-29 21:18:49,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 21:18:49,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:49,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:18:49,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:49,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 180 transitions. [2020-11-29 21:18:49,364 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 180 transitions. [2020-11-29 21:18:49,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 21:18:49,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:18:49,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:49,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 189 transitions. [2020-11-29 21:18:49,576 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 189 transitions. [2020-11-29 21:18:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 21:18:49,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:18:49,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 122 states and 190 transitions. [2020-11-29 21:18:49,667 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 190 transitions. [2020-11-29 21:18:49,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 21:18:49,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 21:18:51,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:51,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 197 transitions. [2020-11-29 21:18:51,234 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 197 transitions. [2020-11-29 21:18:51,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 21:18:51,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:18:51,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:51,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 203 transitions. [2020-11-29 21:18:51,528 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 203 transitions. [2020-11-29 21:18:51,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 21:18:51,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:51,566 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 21:18:52,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:52,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 134 states and 221 transitions. [2020-11-29 21:18:52,669 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 221 transitions. [2020-11-29 21:18:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 21:18:52,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 21:18:53,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:53,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 140 states and 234 transitions. [2020-11-29 21:18:53,536 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 234 transitions. [2020-11-29 21:18:53,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 21:18:53,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 21:18:55,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:55,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 152 states and 259 transitions. [2020-11-29 21:18:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 259 transitions. [2020-11-29 21:18:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-29 21:18:55,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:55,284 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 21:18:55,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:55,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 153 states and 260 transitions. [2020-11-29 21:18:55,313 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 260 transitions. [2020-11-29 21:18:55,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-29 21:18:55,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:55,380 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 21:18:55,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 156 states and 265 transitions. [2020-11-29 21:18:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 265 transitions. [2020-11-29 21:18:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-29 21:18:55,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-29 21:18:55,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:55,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 157 states and 266 transitions. [2020-11-29 21:18:55,489 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 266 transitions. [2020-11-29 21:18:55,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-29 21:18:55,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:18:55,541 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 21:18:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:55,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 67 states and 82 transitions. [2020-11-29 21:18:55,576 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2020-11-29 21:18:55,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:18:55,577 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2020-11-29 21:18:55,586 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 21:18:55,963 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:18:55,967 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:18:55,967 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-29 21:18:55,973 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:18:55,973 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:18:55,973 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:18:55,973 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 21:18:55,974 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 21:18:55,975 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:18:55,976 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 21:18:55,978 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:18:55,978 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:18:55,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 09:18:55 ImpRootNode [2020-11-29 21:18:55,978 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 21:18:55,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:18:55,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:18:55,979 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:18:55,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:18:44" (3/4) ... [2020-11-29 21:18:55,991 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:18:55,995 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 21:18:55,995 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 21:18:55,995 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 21:18:55,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 21:18:55,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 21:18:55,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 21:18:55,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 21:18:55,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-29 21:18:55,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-29 21:18:56,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-11-29 21:18:56,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-29 21:18:56,014 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 21:18:56,014 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 21:18:56,015 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 21:18:56,015 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:18:56,016 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:18:56,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-11-29 21:18:56,049 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-29 21:18:56,111 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b34caf02-bcfa-44eb-9823-8746b26e7b61/bin/ukojak/witness.graphml [2020-11-29 21:18:56,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:18:56,113 INFO L168 Benchmark]: Toolchain (without parser) took 13459.63 ms. Allocated memory was 111.1 MB in the beginning and 234.9 MB in the end (delta: 123.7 MB). Free memory was 73.9 MB in the beginning and 143.7 MB in the end (delta: -69.8 MB). Peak memory consumption was 53.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:56,114 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 111.1 MB. Free memory was 83.6 MB in the beginning and 83.6 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:18:56,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.80 ms. Allocated memory is still 111.1 MB. Free memory was 73.8 MB in the beginning and 76.2 MB in the end (delta: -2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:56,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.17 ms. Allocated memory is still 111.1 MB. Free memory was 76.2 MB in the beginning and 73.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:56,116 INFO L168 Benchmark]: Boogie Preprocessor took 60.86 ms. Allocated memory is still 111.1 MB. Free memory was 73.6 MB in the beginning and 71.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:56,116 INFO L168 Benchmark]: RCFGBuilder took 1549.70 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 71.5 MB in the beginning and 73.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:56,117 INFO L168 Benchmark]: CodeCheck took 11140.64 ms. Allocated memory was 134.2 MB in the beginning and 234.9 MB in the end (delta: 100.7 MB). Free memory was 73.6 MB in the beginning and 148.9 MB in the end (delta: -75.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:56,117 INFO L168 Benchmark]: Witness Printer took 132.41 ms. Allocated memory is still 234.9 MB. Free memory was 148.9 MB in the beginning and 143.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:56,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 185322852 SDtfs, 53130668 SDslu, 89607036 SDs, 0 SdLazy, 82582428 SolverSat, 26544916 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9187 GetRequests, 9023 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10041 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 979 NumberOfCodeBlocks, 979 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 956 ConstructedInterpolants, 0 QuantifiedInterpolants, 87003 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 273/283 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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && tmp == systemActive) && tmp == 1) && pumpRunning == 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 111.1 MB. Free memory was 83.6 MB in the beginning and 83.6 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 507.80 ms. Allocated memory is still 111.1 MB. Free memory was 73.8 MB in the beginning and 76.2 MB in the end (delta: -2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.17 ms. Allocated memory is still 111.1 MB. Free memory was 76.2 MB in the beginning and 73.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.86 ms. Allocated memory is still 111.1 MB. Free memory was 73.6 MB in the beginning and 71.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1549.70 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 71.5 MB in the beginning and 73.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. * CodeCheck took 11140.64 ms. Allocated memory was 134.2 MB in the beginning and 234.9 MB in the end (delta: 100.7 MB). Free memory was 73.6 MB in the beginning and 148.9 MB in the end (delta: -75.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * Witness Printer took 132.41 ms. Allocated memory is still 234.9 MB. Free memory was 148.9 MB in the beginning and 143.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...