./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/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 d733dbb906adb6defb82ddd5acbd52a79b17963e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:15:44,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:15:44,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:15:44,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:15:44,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:15:44,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:15:44,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:15:44,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:15:44,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:15:44,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:15:44,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:15:44,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:15:44,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:15:44,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:15:44,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:15:44,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:15:44,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:15:44,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:15:44,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:15:44,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:15:44,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:15:44,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:15:44,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:15:44,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:15:44,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:15:44,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:15:44,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:15:44,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:15:44,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:15:44,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:15:44,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:15:44,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:15:44,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:15:44,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:15:44,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:15:44,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:15:44,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:15:44,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:15:44,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:15:44,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:15:44,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:15:44,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:15:44,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:15:44,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:15:44,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:15:44,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:15:44,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:15:44,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:15:44,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:15:44,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:15:44,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:15:44,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:15:44,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:15:44,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:15:44,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:15:44,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:15:44,249 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:15:44,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:15:44,249 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:15:44,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:15:44,250 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:15:44,250 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:15:44,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:15:44,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:15:44,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:15:44,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:15:44,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:15:44,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:15:44,251 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:15:44,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:15:44,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:15:44,252 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/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/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 -> d733dbb906adb6defb82ddd5acbd52a79b17963e [2019-10-22 10:15:44,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:15:44,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:15:44,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:15:44,300 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:15:44,300 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:15:44,301 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2019-10-22 10:15:44,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/bin/ukojak/data/9378fa775/731bc51f34a74a1ba2d4ebdd407753b0/FLAG3e6c3616e [2019-10-22 10:15:44,764 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:15:44,765 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2019-10-22 10:15:44,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/bin/ukojak/data/9378fa775/731bc51f34a74a1ba2d4ebdd407753b0/FLAG3e6c3616e [2019-10-22 10:15:44,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/bin/ukojak/data/9378fa775/731bc51f34a74a1ba2d4ebdd407753b0 [2019-10-22 10:15:44,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:15:44,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:15:44,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:44,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:15:44,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:15:44,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:44" (1/1) ... [2019-10-22 10:15:44,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b293498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:44, skipping insertion in model container [2019-10-22 10:15:44,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:44" (1/1) ... [2019-10-22 10:15:44,816 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:15:44,856 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:15:45,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:45,234 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:15:45,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:45,357 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:15:45,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:45 WrapperNode [2019-10-22 10:15:45,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:45,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:45,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:15:45,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:15:45,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:45" (1/1) ... [2019-10-22 10:15:45,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:45" (1/1) ... [2019-10-22 10:15:45,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:45,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:15:45,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:15:45,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:15:45,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:45" (1/1) ... [2019-10-22 10:15:45,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:45" (1/1) ... [2019-10-22 10:15:45,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:45" (1/1) ... [2019-10-22 10:15:45,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:45" (1/1) ... [2019-10-22 10:15:45,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:45" (1/1) ... [2019-10-22 10:15:45,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:45" (1/1) ... [2019-10-22 10:15:45,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:45" (1/1) ... [2019-10-22 10:15:45,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:15:45,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:15:45,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:15:45,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:15:45,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/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 [2019-10-22 10:15:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:15:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:15:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:15:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:15:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:15:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:15:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:15:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:15:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:15:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:15:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:15:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-22 10:15:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-22 10:15:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:15:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:15:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:15:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:15:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:15:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:15:45,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:15:46,268 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:15:46,268 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:15:46,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:46 BoogieIcfgContainer [2019-10-22 10:15:46,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:15:46,270 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:15:46,270 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:15:46,281 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:15:46,282 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:46" (1/1) ... [2019-10-22 10:15:46,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:15:46,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:46,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-10-22 10:15:46,340 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-10-22 10:15:46,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:15:46,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:46,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:46,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2019-10-22 10:15:46,577 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2019-10-22 10:15:46,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:15:46,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:46,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:46,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2019-10-22 10:15:46,739 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2019-10-22 10:15:46,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:15:46,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:46,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:46,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:46,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2019-10-22 10:15:46,980 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-10-22 10:15:46,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:15:46,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2019-10-22 10:15:47,051 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2019-10-22 10:15:47,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:15:47,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:47,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:47,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 96 transitions. [2019-10-22 10:15:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2019-10-22 10:15:47,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:15:47,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:47,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:47,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:47,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2019-10-22 10:15:47,630 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2019-10-22 10:15:47,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:15:47,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:47,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:48,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:48,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 96 states and 159 transitions. [2019-10-22 10:15:48,412 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2019-10-22 10:15:48,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:15:48,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:48,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 98 states and 161 transitions. [2019-10-22 10:15:48,567 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 161 transitions. [2019-10-22 10:15:48,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:15:48,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:48,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:48,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 100 states and 166 transitions. [2019-10-22 10:15:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2019-10-22 10:15:48,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:15:48,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:48,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 98 states and 160 transitions. [2019-10-22 10:15:48,870 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 160 transitions. [2019-10-22 10:15:48,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:15:48,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 99 states and 161 transitions. [2019-10-22 10:15:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 161 transitions. [2019-10-22 10:15:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:15:48,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:48,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:49,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 106 states and 177 transitions. [2019-10-22 10:15:49,455 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2019-10-22 10:15:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:15:49,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 110 states and 183 transitions. [2019-10-22 10:15:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2019-10-22 10:15:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:15:49,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:49,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:49,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 111 states and 184 transitions. [2019-10-22 10:15:49,566 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2019-10-22 10:15:49,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:15:49,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:50,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:50,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 124 states and 213 transitions. [2019-10-22 10:15:50,354 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 213 transitions. [2019-10-22 10:15:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:15:50,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:50,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 125 states and 214 transitions. [2019-10-22 10:15:50,404 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 214 transitions. [2019-10-22 10:15:50,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:15:50,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:50,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 215 transitions. [2019-10-22 10:15:50,451 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 215 transitions. [2019-10-22 10:15:50,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:15:50,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:15:51,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 135 states and 251 transitions. [2019-10-22 10:15:51,281 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 251 transitions. [2019-10-22 10:15:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:15:51,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:51,312 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:15:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:51,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 137 states and 253 transitions. [2019-10-22 10:15:51,504 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 253 transitions. [2019-10-22 10:15:51,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:15:51,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:15:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 141 states and 264 transitions. [2019-10-22 10:15:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 264 transitions. [2019-10-22 10:15:52,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:15:52,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:15:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:52,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 148 states and 282 transitions. [2019-10-22 10:15:52,248 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 282 transitions. [2019-10-22 10:15:52,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:15:52,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:52,294 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:15:52,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:52,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 149 states and 280 transitions. [2019-10-22 10:15:52,472 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 280 transitions. [2019-10-22 10:15:52,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:15:52,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:52,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:53,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:53,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 153 states and 289 transitions. [2019-10-22 10:15:53,017 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 289 transitions. [2019-10-22 10:15:53,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:15:53,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:15:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:53,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 154 states and 290 transitions. [2019-10-22 10:15:53,067 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 290 transitions. [2019-10-22 10:15:53,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:15:53,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:15:53,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:53,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 155 states and 291 transitions. [2019-10-22 10:15:53,107 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 291 transitions. [2019-10-22 10:15:53,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-22 10:15:53,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:53,143 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:15:53,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:53,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 145 states and 271 transitions. [2019-10-22 10:15:53,163 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 271 transitions. [2019-10-22 10:15:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 10:15:53,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:53,195 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:15:53,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 149 states and 278 transitions. [2019-10-22 10:15:53,401 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 278 transitions. [2019-10-22 10:15:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:15:53,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:15:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 147 states and 274 transitions. [2019-10-22 10:15:53,448 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 274 transitions. [2019-10-22 10:15:53,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:15:53,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:15:53,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:53,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 145 states and 269 transitions. [2019-10-22 10:15:53,506 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 269 transitions. [2019-10-22 10:15:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:15:53,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-22 10:15:54,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:54,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 138 states and 257 transitions. [2019-10-22 10:15:54,026 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 257 transitions. [2019-10-22 10:15:54,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-22 10:15:54,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-22 10:15:54,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:54,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 72 states and 98 transitions. [2019-10-22 10:15:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2019-10-22 10:15:54,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:15:54,404 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2019-10-22 10:15:54,411 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:15:54,615 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:54,619 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:54,619 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:54,619 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:54,619 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:54,619 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:54,619 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:54,620 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:54,620 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:15:54,623 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:54,624 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:15:54,624 INFO L575 CodeCheckObserver]: Invariant with dag size 3 [2019-10-22 10:15:54,625 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:54,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:15:54 ImpRootNode [2019-10-22 10:15:54,625 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:15:54,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:15:54,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:15:54,626 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:15:54,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:46" (3/4) ... [2019-10-22 10:15:54,629 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:15:54,634 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-10-22 10:15:54,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:15:54,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:15:54,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:15:54,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:15:54,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:15:54,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:15:54,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-10-22 10:15:54,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2019-10-22 10:15:54,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-10-22 10:15:54,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:15:54,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:15:54,643 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:15:54,643 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:15:54,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2019-10-22 10:15:54,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-10-22 10:15:54,707 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b24a1784-0827-4584-a45a-4e29cb902f2c/bin/ukojak/witness.graphml [2019-10-22 10:15:54,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:15:54,709 INFO L168 Benchmark]: Toolchain (without parser) took 9911.18 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.3 MB). Free memory was 940.4 MB in the beginning and 982.4 MB in the end (delta: -42.0 MB). Peak memory consumption was 181.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:54,709 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:54,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:54,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.92 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:54,710 INFO L168 Benchmark]: Boogie Preprocessor took 29.11 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:54,710 INFO L168 Benchmark]: RCFGBuilder took 833.47 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: 73.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:54,710 INFO L168 Benchmark]: CodeCheck took 8355.45 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.0 MB). Free memory was 1.0 GB in the beginning and 992.0 MB in the end (delta: 31.2 MB). Peak memory consumption was 128.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:54,711 INFO L168 Benchmark]: Witness Printer took 81.54 ms. Allocated memory is still 1.3 GB. Free memory was 992.0 MB in the beginning and 982.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:54,712 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 9 procedures, 57 locations, 1 error locations. Result: SAFE, OverallTime: 8.0s, OverallIterations: 32, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1055388880 SDtfs, 1697641532 SDslu, 1458729680 SDs, 0 SdLazy, -748031946 SolverSat, 1284831258 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12933 GetRequests, 12686 SyntacticMatches, 69 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13539 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1223 NumberOfCodeBlocks, 1223 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1192 ConstructedInterpolants, 0 QuantifiedInterpolants, 110046 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 22 PerfectInterpolantSequences, 347/380 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 140]: call 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: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 559.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -163.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.92 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.11 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 833.47 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: 73.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 11.5 GB. * CodeCheck took 8355.45 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.0 MB). Free memory was 1.0 GB in the beginning and 992.0 MB in the end (delta: 31.2 MB). Peak memory consumption was 128.2 MB. Max. memory is 11.5 GB. * Witness Printer took 81.54 ms. Allocated memory is still 1.3 GB. Free memory was 992.0 MB in the beginning and 982.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...