./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/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 66834ce7ab851f30f4141210f1887a35b259a922 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:46:04,245 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:46:04,246 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:46:04,252 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:46:04,252 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:46:04,252 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:46:04,253 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:46:04,254 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:46:04,255 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:46:04,255 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:46:04,256 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:46:04,256 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:46:04,256 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:46:04,257 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:46:04,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:46:04,258 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:46:04,258 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:46:04,259 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:46:04,260 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:46:04,261 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:46:04,261 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:46:04,262 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:46:04,263 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:46:04,263 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:46:04,263 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:46:04,263 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:46:04,264 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:46:04,264 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:46:04,265 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:46:04,265 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:46:04,265 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:46:04,266 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:46:04,266 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:46:04,266 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:46:04,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:46:04,267 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:46:04,267 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 12:46:04,274 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:46:04,274 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:46:04,275 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:46:04,275 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:46:04,275 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:46:04,275 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:46:04,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:46:04,275 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:46:04,275 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:46:04,275 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:46:04,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:46:04,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:46:04,276 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:46:04,276 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:46:04,276 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:46:04,276 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:46:04,276 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:46:04,276 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:46:04,276 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:46:04,276 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:46:04,276 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:46:04,277 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:46:04,277 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:46:04,277 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:46:04,277 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:46:04,277 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:46:04,277 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 12:46:04,277 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:46:04,277 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:46:04,277 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/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 -> 66834ce7ab851f30f4141210f1887a35b259a922 [2018-12-08 12:46:04,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:46:04,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:46:04,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:46:04,304 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:46:04,304 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:46:04,305 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c [2018-12-08 12:46:04,339 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/ukojak/data/ed958c3ff/e64e603bab5e45689ce05cb5139402cb/FLAGadd216577 [2018-12-08 12:46:04,856 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:46:04,856 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/sv-benchmarks/c/product-lines/minepump_spec2_product29_true-unreach-call_false-termination.cil.c [2018-12-08 12:46:04,863 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/ukojak/data/ed958c3ff/e64e603bab5e45689ce05cb5139402cb/FLAGadd216577 [2018-12-08 12:46:05,335 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/ukojak/data/ed958c3ff/e64e603bab5e45689ce05cb5139402cb [2018-12-08 12:46:05,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:46:05,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:46:05,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:46:05,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:46:05,344 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:46:05,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:46:05" (1/1) ... [2018-12-08 12:46:05,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a96ab85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:46:05, skipping insertion in model container [2018-12-08 12:46:05,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:46:05" (1/1) ... [2018-12-08 12:46:05,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:46:05,382 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:46:05,553 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:46:05,598 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:46:05,646 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:46:05,660 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:46:05,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:46:05 WrapperNode [2018-12-08 12:46:05,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:46:05,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:46:05,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:46:05,662 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:46:05,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:46:05" (1/1) ... [2018-12-08 12:46:05,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:46:05" (1/1) ... [2018-12-08 12:46:05,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:46:05,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:46:05,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:46:05,695 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:46:05,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:46:05" (1/1) ... [2018-12-08 12:46:05,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:46:05" (1/1) ... [2018-12-08 12:46:05,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:46:05" (1/1) ... [2018-12-08 12:46:05,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:46:05" (1/1) ... [2018-12-08 12:46:05,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:46:05" (1/1) ... [2018-12-08 12:46:05,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:46:05" (1/1) ... [2018-12-08 12:46:05,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:46:05" (1/1) ... [2018-12-08 12:46:05,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:46:05,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:46:05,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:46:05,714 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:46:05,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:46:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/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 [2018-12-08 12:46:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:46:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 12:46:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 12:46:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 12:46:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 12:46:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 12:46:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 12:46:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 12:46:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 12:46:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 12:46:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 12:46:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 12:46:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 12:46:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 12:46:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 12:46:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 12:46:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 12:46:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 12:46:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 12:46:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 12:46:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:46:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:46:06,128 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:46:06,128 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-08 12:46:06,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:46:06 BoogieIcfgContainer [2018-12-08 12:46:06,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:46:06,129 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:46:06,129 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:46:06,138 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:46:06,138 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:46:06" (1/1) ... [2018-12-08 12:46:06,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:46:06,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2018-12-08 12:46:06,174 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2018-12-08 12:46:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 12:46:06,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:46:06,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:06,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2018-12-08 12:46:06,289 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2018-12-08 12:46:06,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 12:46:06,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:06,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:46:06,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2018-12-08 12:46:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2018-12-08 12:46:06,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 12:46:06,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:06,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:46:06,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:06,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2018-12-08 12:46:06,458 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2018-12-08 12:46:06,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 12:46:06,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:46:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:06,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2018-12-08 12:46:06,488 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2018-12-08 12:46:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 12:46:06,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:06,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:46:06,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2018-12-08 12:46:06,516 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2018-12-08 12:46:06,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 12:46:06,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:46:06,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 92 states and 135 transitions. [2018-12-08 12:46:06,773 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2018-12-08 12:46:06,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 12:46:06,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:46:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:06,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 93 states and 136 transitions. [2018-12-08 12:46:06,808 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2018-12-08 12:46:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 12:46:06,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:46:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:07,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 111 states and 176 transitions. [2018-12-08 12:46:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 176 transitions. [2018-12-08 12:46:07,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 12:46:07,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:07,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:46:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:07,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 113 states and 181 transitions. [2018-12-08 12:46:07,635 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 181 transitions. [2018-12-08 12:46:07,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 12:46:07,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:07,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:46:07,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:07,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 111 states and 175 transitions. [2018-12-08 12:46:07,671 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 175 transitions. [2018-12-08 12:46:07,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 12:46:07,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:46:07,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:07,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 185 transitions. [2018-12-08 12:46:07,777 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 185 transitions. [2018-12-08 12:46:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 12:46:07,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:46:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:07,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 117 states and 186 transitions. [2018-12-08 12:46:07,806 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 186 transitions. [2018-12-08 12:46:07,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 12:46:07,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:46:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:08,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 123 states and 199 transitions. [2018-12-08 12:46:08,003 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 199 transitions. [2018-12-08 12:46:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 12:46:08,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:46:08,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:08,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 121 states and 195 transitions. [2018-12-08 12:46:08,032 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 195 transitions. [2018-12-08 12:46:08,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 12:46:08,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:08,250 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:46:08,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:08,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 128 states and 213 transitions. [2018-12-08 12:46:08,908 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 213 transitions. [2018-12-08 12:46:08,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 12:46:08,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:08,921 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:46:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:09,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 130 states and 217 transitions. [2018-12-08 12:46:09,043 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 217 transitions. [2018-12-08 12:46:09,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 12:46:09,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:46:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 139 states and 235 transitions. [2018-12-08 12:46:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 235 transitions. [2018-12-08 12:46:09,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 12:46:09,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:46:09,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:09,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 140 states and 236 transitions. [2018-12-08 12:46:09,299 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 236 transitions. [2018-12-08 12:46:09,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 12:46:09,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:46:09,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 141 states and 237 transitions. [2018-12-08 12:46:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 237 transitions. [2018-12-08 12:46:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 12:46:09,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:09,402 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 12:46:10,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:10,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 158 states and 295 transitions. [2018-12-08 12:46:10,319 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 295 transitions. [2018-12-08 12:46:10,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 12:46:10,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 12:46:11,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:11,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 167 states and 324 transitions. [2018-12-08 12:46:11,157 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 324 transitions. [2018-12-08 12:46:11,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 12:46:11,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:46:11,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:11,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 173 states and 336 transitions. [2018-12-08 12:46:11,628 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 336 transitions. [2018-12-08 12:46:11,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 12:46:11,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 12:46:11,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 174 states and 337 transitions. [2018-12-08 12:46:11,704 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 337 transitions. [2018-12-08 12:46:11,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 12:46:11,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:11,780 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 12:46:11,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:11,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 175 states and 338 transitions. [2018-12-08 12:46:11,793 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 338 transitions. [2018-12-08 12:46:11,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 12:46:11,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:11,843 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 12:46:11,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:11,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 178 states and 343 transitions. [2018-12-08 12:46:11,855 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 343 transitions. [2018-12-08 12:46:11,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 12:46:11,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 12:46:12,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:12,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 180 states and 345 transitions. [2018-12-08 12:46:12,063 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 345 transitions. [2018-12-08 12:46:12,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 12:46:12,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 12:46:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 181 states and 346 transitions. [2018-12-08 12:46:12,123 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 346 transitions. [2018-12-08 12:46:12,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 12:46:12,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:12,136 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 12:46:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 185 states and 353 transitions. [2018-12-08 12:46:12,334 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 353 transitions. [2018-12-08 12:46:12,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 12:46:12,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:12,441 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:46:13,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 189 states and 362 transitions. [2018-12-08 12:46:13,305 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 362 transitions. [2018-12-08 12:46:13,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 12:46:13,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 12:46:13,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:13,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 191 states and 365 transitions. [2018-12-08 12:46:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 365 transitions. [2018-12-08 12:46:13,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-08 12:46:13,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 12:46:13,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 189 states and 361 transitions. [2018-12-08 12:46:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 361 transitions. [2018-12-08 12:46:13,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 12:46:13,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:13,388 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 12:46:13,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:13,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 180 states and 338 transitions. [2018-12-08 12:46:13,571 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 338 transitions. [2018-12-08 12:46:13,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-08 12:46:13,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 12:46:14,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:14,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 184 states and 344 transitions. [2018-12-08 12:46:14,157 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 344 transitions. [2018-12-08 12:46:14,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 12:46:14,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 12:46:14,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 185 states and 345 transitions. [2018-12-08 12:46:14,190 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 345 transitions. [2018-12-08 12:46:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 12:46:14,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:14,203 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 12:46:14,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 181 states and 333 transitions. [2018-12-08 12:46:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 333 transitions. [2018-12-08 12:46:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 12:46:14,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:14,236 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 12:46:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 174 states and 320 transitions. [2018-12-08 12:46:14,250 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 320 transitions. [2018-12-08 12:46:14,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 12:46:14,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 12:46:15,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:15,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 188 states and 350 transitions. [2018-12-08 12:46:15,584 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 350 transitions. [2018-12-08 12:46:15,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 12:46:15,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 12:46:15,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:15,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 189 states and 351 transitions. [2018-12-08 12:46:15,732 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 351 transitions. [2018-12-08 12:46:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 12:46:15,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:15,817 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-08 12:46:15,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:15,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 185 states and 335 transitions. [2018-12-08 12:46:15,997 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 335 transitions. [2018-12-08 12:46:15,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 12:46:15,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:46:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:46:16,082 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-08 12:46:16,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:46:16,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 94 states and 129 transitions. [2018-12-08 12:46:16,282 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 129 transitions. [2018-12-08 12:46:16,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 12:46:16,283 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 41 iterations. [2018-12-08 12:46:16,289 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 12:46:16,500 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-08 12:46:16,505 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 12:46:16,506 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:46:16,506 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-08 12:46:16,506 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:46:16,506 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-08 12:46:16,507 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:46:16,507 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:46:16,507 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:46:16,507 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:46:16,507 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:46:16,508 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:46:16,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:46:16 ImpRootNode [2018-12-08 12:46:16,508 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:46:16,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:46:16,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:46:16,509 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:46:16,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:46:06" (3/4) ... [2018-12-08 12:46:16,512 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 12:46:16,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 12:46:16,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 12:46:16,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 12:46:16,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 12:46:16,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 12:46:16,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 12:46:16,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 12:46:16,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 12:46:16,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 12:46:16,521 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-12-08 12:46:16,522 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 12:46:16,522 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 12:46:16,522 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 12:46:16,523 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 12:46:16,523 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 12:46:16,541 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || 0 == systemActive [2018-12-08 12:46:16,542 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-12-08 12:46:16,542 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == pumpRunning) || methaneLevelCritical == tmp) || 0 == tmp) || !(0 == pumpRunning) [2018-12-08 12:46:16,570 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a12c79f3-3b68-44bb-bfcc-39261b3abe12/bin-2019/ukojak/witness.graphml [2018-12-08 12:46:16,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:46:16,570 INFO L168 Benchmark]: Toolchain (without parser) took 11231.26 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 471.3 MB). Free memory was 950.6 MB in the beginning and 1.4 GB in the end (delta: -435.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:46:16,571 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:46:16,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:46:16,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.02 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. [2018-12-08 12:46:16,572 INFO L168 Benchmark]: Boogie Preprocessor took 18.61 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. [2018-12-08 12:46:16,572 INFO L168 Benchmark]: RCFGBuilder took 414.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2018-12-08 12:46:16,572 INFO L168 Benchmark]: CodeCheck took 10379.25 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 340.8 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -352.0 MB). Peak memory consumption was 589.5 MB. Max. memory is 11.5 GB. [2018-12-08 12:46:16,572 INFO L168 Benchmark]: Witness Printer took 61.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:46:16,573 INFO L336 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, 86 locations, 1 error locations. SAFE Result, 10.1s OverallTime, 41 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1515767984 SDtfs, 1642838914 SDslu, -742306232 SDs, 0 SdLazy, -808639066 SolverSat, 569199124 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22395 GetRequests, 21950 SyntacticMatches, 185 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36436 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2181 NumberOfCodeBlocks, 2181 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 2141 ConstructedInterpolants, 0 QuantifiedInterpolants, 262290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 25 PerfectInterpolantSequences, 870/958 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 317]: 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: 409]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == pumpRunning) || methaneLevelCritical == tmp) || 0 == tmp) || !(0 == pumpRunning) - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.02 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. * Boogie Preprocessor took 18.61 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 414.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. * CodeCheck took 10379.25 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 340.8 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -352.0 MB). Peak memory consumption was 589.5 MB. Max. memory is 11.5 GB. * Witness Printer took 61.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...