./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a501726b111b1f6720960f06deb10a2482c5a4b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:05:50,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:05:50,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:05:50,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:05:50,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:05:50,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:05:50,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:05:50,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:05:50,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:05:50,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:05:50,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:05:50,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:05:50,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:05:50,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:05:50,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:05:50,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:05:50,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:05:50,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:05:50,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:05:50,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:05:50,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:05:50,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:05:50,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:05:50,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:05:50,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:05:50,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:05:50,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:05:50,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:05:50,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:05:50,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:05:50,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:05:50,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:05:50,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:05:50,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:05:50,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:05:50,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:05:50,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:05:50,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:05:50,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:05:50,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:05:50,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:05:50,367 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 00:05:50,390 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:05:50,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:05:50,401 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 00:05:50,401 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 00:05:50,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:05:50,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:05:50,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:05:50,402 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:05:50,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:05:50,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:05:50,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:05:50,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:05:50,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:05:50,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:05:50,404 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:05:50,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:05:50,404 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:05:50,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:05:50,404 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 00:05:50,405 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 00:05:50,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:05:50,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:05:50,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 00:05:50,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:05:50,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:05:50,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:05:50,407 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 00:05:50,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:05:50,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:05:50,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/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(__VERIFIER_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 -> 9a501726b111b1f6720960f06deb10a2482c5a4b [2019-11-20 00:05:50,571 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:05:50,583 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:05:50,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:05:50,587 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:05:50,588 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:05:50,590 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2019-11-20 00:05:50,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/bin/ukojak/data/c85b37793/61632fd1c9f240108aa36929bc0453f8/FLAG94cab1bb0 [2019-11-20 00:05:51,110 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:05:51,113 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2019-11-20 00:05:51,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/bin/ukojak/data/c85b37793/61632fd1c9f240108aa36929bc0453f8/FLAG94cab1bb0 [2019-11-20 00:05:51,441 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/bin/ukojak/data/c85b37793/61632fd1c9f240108aa36929bc0453f8 [2019-11-20 00:05:51,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:05:51,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:05:51,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:05:51,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:05:51,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:05:51,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:05:51" (1/1) ... [2019-11-20 00:05:51,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e1ca53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:51, skipping insertion in model container [2019-11-20 00:05:51,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:05:51" (1/1) ... [2019-11-20 00:05:51,459 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:05:51,521 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:05:51,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:05:51,943 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:05:52,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:05:52,108 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:05:52,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:52 WrapperNode [2019-11-20 00:05:52,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:05:52,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:05:52,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:05:52,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:05:52,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:52" (1/1) ... [2019-11-20 00:05:52,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:52" (1/1) ... [2019-11-20 00:05:52,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:05:52,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:05:52,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:05:52,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:05:52,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:52" (1/1) ... [2019-11-20 00:05:52,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:52" (1/1) ... [2019-11-20 00:05:52,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:52" (1/1) ... [2019-11-20 00:05:52,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:52" (1/1) ... [2019-11-20 00:05:52,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:52" (1/1) ... [2019-11-20 00:05:52,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:52" (1/1) ... [2019-11-20 00:05:52,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:52" (1/1) ... [2019-11-20 00:05:52,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:05:52,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:05:52,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:05:52,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:05:52,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:05:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/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 [2019-11-20 00:05:52,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:05:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2019-11-20 00:05:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2019-11-20 00:05:52,318 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 00:05:52,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 00:05:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 00:05:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 00:05:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 00:05:52,319 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 00:05:52,319 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2019-11-20 00:05:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2019-11-20 00:05:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 00:05:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 00:05:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2019-11-20 00:05:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2019-11-20 00:05:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2019-11-20 00:05:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2019-11-20 00:05:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-20 00:05:52,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-20 00:05:52,321 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 00:05:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 00:05:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 00:05:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-20 00:05:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-20 00:05:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 00:05:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 00:05:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:05:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:05:53,372 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:05:53,372 INFO L285 CfgBuilder]: Removed 50 assume(true) statements. [2019-11-20 00:05:53,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:05:53 BoogieIcfgContainer [2019-11-20 00:05:53,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:05:53,374 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 00:05:53,374 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 00:05:53,383 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 00:05:53,384 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:05:53" (1/1) ... [2019-11-20 00:05:53,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:05:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:53,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 102 states and 144 transitions. [2019-11-20 00:05:53,435 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2019-11-20 00:05:53,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 00:05:53,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:53,671 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:53,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:53,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 102 states and 142 transitions. [2019-11-20 00:05:53,691 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 142 transitions. [2019-11-20 00:05:53,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 00:05:53,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 104 states and 145 transitions. [2019-11-20 00:05:53,837 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 145 transitions. [2019-11-20 00:05:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 00:05:53,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:54,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:54,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 177 transitions. [2019-11-20 00:05:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 177 transitions. [2019-11-20 00:05:54,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 00:05:54,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:54,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:54,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 204 transitions. [2019-11-20 00:05:54,906 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 204 transitions. [2019-11-20 00:05:54,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 00:05:54,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:55,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 130 states and 205 transitions. [2019-11-20 00:05:55,024 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 205 transitions. [2019-11-20 00:05:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 00:05:55,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:55,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:55,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 136 states and 222 transitions. [2019-11-20 00:05:55,705 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 222 transitions. [2019-11-20 00:05:55,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 00:05:55,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 137 states and 224 transitions. [2019-11-20 00:05:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 224 transitions. [2019-11-20 00:05:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 00:05:55,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:55,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 138 states and 225 transitions. [2019-11-20 00:05:55,820 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 225 transitions. [2019-11-20 00:05:55,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 00:05:55,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:55,858 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:55,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:55,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 142 states and 231 transitions. [2019-11-20 00:05:55,870 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 231 transitions. [2019-11-20 00:05:55,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 00:05:55,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:57,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 162 states and 276 transitions. [2019-11-20 00:05:57,543 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 276 transitions. [2019-11-20 00:05:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 00:05:57,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:57,718 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:57,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 169 states and 298 transitions. [2019-11-20 00:05:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 298 transitions. [2019-11-20 00:05:57,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 00:05:57,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:57,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:57,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 170 states and 299 transitions. [2019-11-20 00:05:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 299 transitions. [2019-11-20 00:05:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 00:05:57,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:58,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:58,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 175 states and 318 transitions. [2019-11-20 00:05:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 318 transitions. [2019-11-20 00:05:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 00:05:58,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:58,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:58,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 176 states and 319 transitions. [2019-11-20 00:05:58,258 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 319 transitions. [2019-11-20 00:05:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 00:05:58,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:58,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:58,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 179 states and 322 transitions. [2019-11-20 00:05:58,303 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 322 transitions. [2019-11-20 00:05:58,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 00:05:58,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:58,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:58,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:58,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 181 states and 325 transitions. [2019-11-20 00:05:58,366 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 325 transitions. [2019-11-20 00:05:58,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 00:05:58,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:58,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:58,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 184 states and 334 transitions. [2019-11-20 00:05:58,757 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 334 transitions. [2019-11-20 00:05:58,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 00:05:58,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:58,793 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:58,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 186 states and 336 transitions. [2019-11-20 00:05:58,820 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 336 transitions. [2019-11-20 00:05:58,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 00:05:58,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:59,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:59,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 190 states and 356 transitions. [2019-11-20 00:05:59,136 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 356 transitions. [2019-11-20 00:05:59,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 00:05:59,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:59,185 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 190 states and 354 transitions. [2019-11-20 00:05:59,219 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 354 transitions. [2019-11-20 00:05:59,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 00:05:59,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:59,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 192 states and 361 transitions. [2019-11-20 00:05:59,439 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 361 transitions. [2019-11-20 00:05:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 00:05:59,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 192 states and 356 transitions. [2019-11-20 00:05:59,499 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 356 transitions. [2019-11-20 00:05:59,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 00:05:59,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:59,548 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:59,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:59,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 192 states and 354 transitions. [2019-11-20 00:05:59,574 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 354 transitions. [2019-11-20 00:05:59,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 00:05:59,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:05:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:05:59,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 195 states and 363 transitions. [2019-11-20 00:05:59,822 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 363 transitions. [2019-11-20 00:05:59,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 00:05:59,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:05:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:05:59,954 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 00:06:00,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:06:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 202 states and 388 transitions. [2019-11-20 00:06:00,476 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 388 transitions. [2019-11-20 00:06:00,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 00:06:00,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:06:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:06:00,505 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 00:06:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:06:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 209 states and 415 transitions. [2019-11-20 00:06:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 415 transitions. [2019-11-20 00:06:01,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 00:06:01,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:06:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:06:01,960 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:06:05,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:06:05,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 227 states and 469 transitions. [2019-11-20 00:06:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 469 transitions. [2019-11-20 00:06:05,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 00:06:05,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:06:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:06:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:06:06,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:06:06,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 234 states and 490 transitions. [2019-11-20 00:06:06,786 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 490 transitions. [2019-11-20 00:06:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 00:06:06,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:06:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:06:06,865 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:06:06,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:06:06,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 235 states and 493 transitions. [2019-11-20 00:06:06,917 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 493 transitions. [2019-11-20 00:06:06,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 00:06:06,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:06:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:06:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 00:06:07,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:06:07,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 236 states and 495 transitions. [2019-11-20 00:06:07,199 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 495 transitions. [2019-11-20 00:06:07,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 00:06:07,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:06:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:07,703 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 31 iterations. [2019-11-20 00:06:07,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 12:06:07 ImpRootNode [2019-11-20 00:06:07,939 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 00:06:07,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:06:07,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:06:07,940 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:06:07,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:05:53" (3/4) ... [2019-11-20 00:06:07,942 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 00:06:08,060 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e012be93-dfd8-4f8b-95a1-e2748c4bf9ad/bin/ukojak/witness.graphml [2019-11-20 00:06:08,060 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:06:08,062 INFO L168 Benchmark]: Toolchain (without parser) took 16616.15 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.3 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -279.8 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:08,062 INFO L168 Benchmark]: CDTParser took 1.07 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:06:08,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -208.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:08,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:08,063 INFO L168 Benchmark]: Boogie Preprocessor took 47.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:06:08,064 INFO L168 Benchmark]: RCFGBuilder took 1143.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:08,064 INFO L168 Benchmark]: CodeCheck took 14565.68 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 154.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -198.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:06:08,064 INFO L168 Benchmark]: Witness Printer took 120.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:08,066 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 13 procedures, 102 locations, 1 error locations. Result: UNSAFE, OverallTime: 14.2s, OverallIterations: 31, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -939732768 SDtfs, -1403866808 SDslu, -1340309016 SDs, 0 SdLazy, 825404976 SolverSat, -1576906400 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16119 GetRequests, 15812 SyntacticMatches, 117 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15505 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1718 NumberOfCodeBlocks, 1718 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1622 ConstructedInterpolants, 0 QuantifiedInterpolants, 233763 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 PerfectInterpolantSequences, 920/920 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1021]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int __SELECTED_FEATURE_base ; [L41] int __SELECTED_FEATURE_highWaterSensor ; [L42] int __SELECTED_FEATURE_lowWaterSensor ; [L43] int __SELECTED_FEATURE_methaneQuery ; [L44] int __SELECTED_FEATURE_methaneAlarm ; [L45] int __SELECTED_FEATURE_stopCommand ; [L46] int __SELECTED_FEATURE_startCommand ; [L47] int __GUIDSL_ROOT_PRODUCTION ; [L140] int pumpRunning = 0; [L141] int systemActive = 1; [L641] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L914] int waterLevel = 1; [L915] int methaneLevelCritical = 0; [L1026] int cleanupTimeShifts = 4; [L1099] int retValue_acc ; [L1100] int tmp ; [L872] __GUIDSL_ROOT_PRODUCTION = 1 [L857] __SELECTED_FEATURE_base = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L858] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); [L858] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L858] __SELECTED_FEATURE_highWaterSensor = select_one() [L859] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); [L859] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] __SELECTED_FEATURE_lowWaterSensor = select_one() [L860] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); [L860] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] __SELECTED_FEATURE_methaneQuery = select_one() [L861] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); [L861] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] __SELECTED_FEATURE_methaneAlarm = select_one() [L862] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); [L862] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] __SELECTED_FEATURE_stopCommand = select_one() [L863] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] int retValue_acc ; [L844] int choice = __VERIFIER_nondet_int(); [L847] retValue_acc = choice [L848] return (retValue_acc); [L863] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] __SELECTED_FEATURE_startCommand = select_one() [L877] int retValue_acc ; [L880] retValue_acc = __SELECTED_FEATURE_base [L881] return (retValue_acc); [L1106] tmp = valid_product() [L1108] COND TRUE \read(tmp) [L55] int splverifierCounter ; [L56] int tmp ; [L57] int tmp___0 ; [L58] int tmp___1 ; [L59] int tmp___2 ; [L62] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L64] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L66] COND TRUE splverifierCounter < 4 [L72] tmp = __VERIFIER_nondet_int() [L74] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L76] CALL waterRise() VAL [\old(waterLevel)=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L932] COND TRUE waterLevel < 2 [L933] waterLevel = waterLevel + 1 [L76] RET waterRise() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] tmp___0 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L944] COND FALSE !(\read(methaneLevelCritical)) [L947] methaneLevelCritical = 1 [L86] RET changeMethaneLevel() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L92] tmp___2 = __VERIFIER_nondet_int() [L94] COND TRUE \read(tmp___2) [L95] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L119] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L148] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L155] COND TRUE \read(systemActive) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L291] COND TRUE \read(__SELECTED_FEATURE_methaneAlarm) [L263] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L266] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L281] CALL processEnvironment__before__methaneAlarm() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L248] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L255] CALL processEnvironment__before__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L205] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L177] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L180] COND TRUE ! pumpRunning [L411] int retValue_acc ; [L412] int tmp ; [L413] int tmp___0 ; [L994] int retValue_acc ; [L997] COND FALSE !(waterLevel < 2) [L1001] retValue_acc = 0 [L1002] return (retValue_acc); [L417] tmp = isHighWaterSensorDry() [L419] COND FALSE !(\read(tmp)) [L422] tmp___0 = 1 [L424] retValue_acc = tmp___0 [L425] return (retValue_acc); [L182] tmp = isHighWaterLevel() [L184] COND TRUE \read(tmp) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L333] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L340] CALL activatePump__before__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L308] pumpRunning = 1 [L340] RET activatePump__before__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L255] RET processEnvironment__before__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L281] RET processEnvironment__before__methaneAlarm() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L888] int tmp ; [L889] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L893] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L953] int retValue_acc ; [L956] retValue_acc = methaneLevelCritical [L957] return (retValue_acc); [L893] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L893] tmp = isMethaneLevelCritical() [L895] COND TRUE \read(tmp) [L366] int retValue_acc ; [L369] retValue_acc = pumpRunning [L370] return (retValue_acc); [L897] tmp___0 = isPumpRunning() [L899] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L1021] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=-1, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 662.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -208.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1143.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 11.5 GB. * CodeCheck took 14565.68 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 154.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -198.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 120.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...