./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/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 e966d9b3bce12fee8fc2d0d68326680d997e6955 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:29:07,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:29:07,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:29:07,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:29:07,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:29:07,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:29:07,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:29:07,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:29:07,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:29:07,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:29:07,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:29:07,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:29:07,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:29:07,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:29:07,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:29:07,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:29:07,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:29:07,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:29:07,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:29:07,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:29:07,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:29:07,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:29:07,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:29:07,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:29:07,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:29:07,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:29:07,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:29:07,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:29:07,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:29:07,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:29:07,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:29:07,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:29:07,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:29:07,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:29:07,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:29:07,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:29:07,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:29:07,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:29:07,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:29:07,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:29:07,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:29:07,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 06:29:07,467 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:29:07,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:29:07,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 06:29:07,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 06:29:07,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:29:07,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:29:07,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:29:07,470 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:29:07,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:29:07,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:29:07,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:29:07,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:29:07,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:29:07,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:29:07,472 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:29:07,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:29:07,472 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:29:07,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:29:07,473 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 06:29:07,473 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 06:29:07,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:29:07,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:29:07,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:29:07,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:29:07,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:29:07,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:29:07,476 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 06:29:07,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:29:07,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:29:07,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2019-11-20 06:29:07,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:29:07,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:29:07,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:29:07,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:29:07,673 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:29:07,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2019-11-20 06:29:07,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/bin/ukojak/data/af1dfbc2b/1f6810a0b55241ffb6f1b6f878b16af4/FLAGc177e1e7e [2019-11-20 06:29:08,186 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:29:08,186 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2019-11-20 06:29:08,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/bin/ukojak/data/af1dfbc2b/1f6810a0b55241ffb6f1b6f878b16af4/FLAGc177e1e7e [2019-11-20 06:29:08,493 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/bin/ukojak/data/af1dfbc2b/1f6810a0b55241ffb6f1b6f878b16af4 [2019-11-20 06:29:08,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:29:08,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:29:08,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:29:08,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:29:08,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:29:08,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:29:08" (1/1) ... [2019-11-20 06:29:08,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e410b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:08, skipping insertion in model container [2019-11-20 06:29:08,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:29:08" (1/1) ... [2019-11-20 06:29:08,518 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:29:08,574 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:29:08,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:29:08,935 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:29:09,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:29:09,040 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:29:09,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:09 WrapperNode [2019-11-20 06:29:09,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:29:09,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:29:09,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:29:09,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:29:09,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:09" (1/1) ... [2019-11-20 06:29:09,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:09" (1/1) ... [2019-11-20 06:29:09,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:29:09,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:29:09,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:29:09,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:29:09,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:09" (1/1) ... [2019-11-20 06:29:09,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:09" (1/1) ... [2019-11-20 06:29:09,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:09" (1/1) ... [2019-11-20 06:29:09,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:09" (1/1) ... [2019-11-20 06:29:09,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:09" (1/1) ... [2019-11-20 06:29:09,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:09" (1/1) ... [2019-11-20 06:29:09,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:09" (1/1) ... [2019-11-20 06:29:09,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:29:09,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:29:09,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:29:09,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:29:09,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:29:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:29:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 06:29:09,196 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 06:29:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 06:29:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 06:29:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 06:29:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 06:29:09,198 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 06:29:09,198 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 06:29:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 06:29:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 06:29:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-20 06:29:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-20 06:29:09,200 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 06:29:09,200 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 06:29:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 06:29:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 06:29:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 06:29:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:29:09,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:29:10,092 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:29:10,092 INFO L285 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-20 06:29:10,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:10 BoogieIcfgContainer [2019-11-20 06:29:10,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:29:10,094 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 06:29:10,094 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 06:29:10,104 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 06:29:10,104 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:10" (1/1) ... [2019-11-20 06:29:10,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:29:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:10,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2019-11-20 06:29:10,154 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-11-20 06:29:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 06:29:10,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:10,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:10,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2019-11-20 06:29:10,384 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2019-11-20 06:29:10,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 06:29:10,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:10,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2019-11-20 06:29:10,505 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-11-20 06:29:10,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 06:29:10,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:10,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2019-11-20 06:29:10,754 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2019-11-20 06:29:10,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 06:29:10,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:10,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:10,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:10,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2019-11-20 06:29:10,871 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2019-11-20 06:29:10,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 06:29:10,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:10,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2019-11-20 06:29:10,964 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2019-11-20 06:29:10,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 06:29:10,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2019-11-20 06:29:11,033 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-11-20 06:29:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 06:29:11,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:11,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:11,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 144 transitions. [2019-11-20 06:29:11,554 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2019-11-20 06:29:11,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 06:29:11,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:11,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:11,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 94 states and 145 transitions. [2019-11-20 06:29:11,609 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2019-11-20 06:29:11,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 06:29:11,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:11,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:11,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2019-11-20 06:29:11,677 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2019-11-20 06:29:11,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 06:29:11,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:11,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:11,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:11,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 98 states and 154 transitions. [2019-11-20 06:29:11,940 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 154 transitions. [2019-11-20 06:29:11,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 06:29:11,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:12,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 112 states and 192 transitions. [2019-11-20 06:29:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 192 transitions. [2019-11-20 06:29:12,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 06:29:12,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:13,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:13,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 193 transitions. [2019-11-20 06:29:13,046 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2019-11-20 06:29:13,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 06:29:13,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:13,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:13,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 119 states and 210 transitions. [2019-11-20 06:29:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 210 transitions. [2019-11-20 06:29:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 06:29:13,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:13,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:13,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 121 states and 211 transitions. [2019-11-20 06:29:13,587 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 211 transitions. [2019-11-20 06:29:13,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 06:29:13,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:13,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:13,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 123 states and 216 transitions. [2019-11-20 06:29:13,983 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2019-11-20 06:29:13,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 06:29:13,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:14,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 121 states and 210 transitions. [2019-11-20 06:29:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 210 transitions. [2019-11-20 06:29:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 06:29:14,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:14,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:14,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:14,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 131 states and 235 transitions. [2019-11-20 06:29:14,794 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 235 transitions. [2019-11-20 06:29:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 06:29:14,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:14,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:15,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 137 states and 247 transitions. [2019-11-20 06:29:15,199 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 247 transitions. [2019-11-20 06:29:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 06:29:15,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:15,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 138 states and 248 transitions. [2019-11-20 06:29:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 248 transitions. [2019-11-20 06:29:15,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 06:29:15,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 139 states and 249 transitions. [2019-11-20 06:29:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 249 transitions. [2019-11-20 06:29:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 06:29:15,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:15,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:15,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 140 states and 250 transitions. [2019-11-20 06:29:15,401 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2019-11-20 06:29:15,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 06:29:15,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:29:16,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:16,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 151 states and 295 transitions. [2019-11-20 06:29:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 295 transitions. [2019-11-20 06:29:16,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 06:29:16,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:16,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:29:16,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:16,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 153 states and 297 transitions. [2019-11-20 06:29:16,256 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 297 transitions. [2019-11-20 06:29:16,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 06:29:16,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 06:29:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:16,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 154 states and 297 transitions. [2019-11-20 06:29:16,293 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 297 transitions. [2019-11-20 06:29:16,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 06:29:16,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:16,587 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 162 states and 326 transitions. [2019-11-20 06:29:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 326 transitions. [2019-11-20 06:29:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 06:29:19,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:29:19,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:19,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 163 states and 327 transitions. [2019-11-20 06:29:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 327 transitions. [2019-11-20 06:29:19,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 06:29:19,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:19,183 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:29:19,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 164 states and 328 transitions. [2019-11-20 06:29:19,198 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 328 transitions. [2019-11-20 06:29:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 06:29:19,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:19,244 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:29:19,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:19,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 165 states and 325 transitions. [2019-11-20 06:29:19,542 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 325 transitions. [2019-11-20 06:29:19,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 06:29:19,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:19,565 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:21,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 179 states and 364 transitions. [2019-11-20 06:29:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 364 transitions. [2019-11-20 06:29:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 06:29:21,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:21,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:21,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 180 states and 365 transitions. [2019-11-20 06:29:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 365 transitions. [2019-11-20 06:29:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 06:29:21,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:21,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:21,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:21,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 181 states and 366 transitions. [2019-11-20 06:29:21,315 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 366 transitions. [2019-11-20 06:29:21,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 06:29:21,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:21,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 182 states and 367 transitions. [2019-11-20 06:29:21,359 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 367 transitions. [2019-11-20 06:29:21,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 06:29:21,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:21,477 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 06:29:22,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:22,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 186 states and 379 transitions. [2019-11-20 06:29:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 379 transitions. [2019-11-20 06:29:22,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 06:29:22,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:22,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 06:29:23,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:23,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 190 states and 383 transitions. [2019-11-20 06:29:23,379 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 383 transitions. [2019-11-20 06:29:23,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 06:29:23,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 06:29:23,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:23,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 194 states and 391 transitions. [2019-11-20 06:29:23,702 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 391 transitions. [2019-11-20 06:29:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 06:29:23,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 06:29:24,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:24,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 196 states and 399 transitions. [2019-11-20 06:29:24,369 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 399 transitions. [2019-11-20 06:29:24,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 06:29:24,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:24,580 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:29:25,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:25,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 198 states and 399 transitions. [2019-11-20 06:29:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 399 transitions. [2019-11-20 06:29:25,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 06:29:25,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:25,519 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 06:29:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:25,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 199 states and 400 transitions. [2019-11-20 06:29:25,546 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 400 transitions. [2019-11-20 06:29:25,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 06:29:25,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:25,569 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 06:29:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:26,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 201 states and 402 transitions. [2019-11-20 06:29:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 402 transitions. [2019-11-20 06:29:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 06:29:26,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:26,349 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 06:29:26,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:26,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 199 states and 398 transitions. [2019-11-20 06:29:26,395 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 398 transitions. [2019-11-20 06:29:26,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 06:29:26,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 06:29:26,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:26,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 196 states and 390 transitions. [2019-11-20 06:29:26,468 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 390 transitions. [2019-11-20 06:29:26,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 06:29:26,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:26,493 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 06:29:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:26,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 201 states and 400 transitions. [2019-11-20 06:29:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 400 transitions. [2019-11-20 06:29:26,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 06:29:26,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:26,734 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 06:29:27,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 203 states and 401 transitions. [2019-11-20 06:29:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 401 transitions. [2019-11-20 06:29:27,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 06:29:27,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 06:29:27,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:27,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 204 states and 403 transitions. [2019-11-20 06:29:27,117 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 403 transitions. [2019-11-20 06:29:27,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 06:29:27,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 06:29:27,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:27,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 205 states and 404 transitions. [2019-11-20 06:29:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 404 transitions. [2019-11-20 06:29:27,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 06:29:27,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 06:29:27,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 206 states and 405 transitions. [2019-11-20 06:29:27,278 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 405 transitions. [2019-11-20 06:29:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 06:29:27,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 06:29:27,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 191 states and 376 transitions. [2019-11-20 06:29:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 376 transitions. [2019-11-20 06:29:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 06:29:27,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:27,349 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 06:29:27,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:27,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 191 states and 373 transitions. [2019-11-20 06:29:27,565 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 373 transitions. [2019-11-20 06:29:27,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 06:29:27,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 06:29:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:28,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 189 states and 363 transitions. [2019-11-20 06:29:28,263 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 363 transitions. [2019-11-20 06:29:28,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 06:29:28,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:28,522 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 06:29:30,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:30,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 199 states and 400 transitions. [2019-11-20 06:29:30,363 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 400 transitions. [2019-11-20 06:29:30,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 06:29:30,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:29:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:29:30,395 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 06:29:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:29:30,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 120 states and 198 transitions. [2019-11-20 06:29:30,773 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 198 transitions. [2019-11-20 06:29:30,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 06:29:30,774 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2019-11-20 06:29:30,786 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 06:29:31,176 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:29:31,183 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:29:31,184 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:29:31,184 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 06:29:31,188 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:29:31,188 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2019-11-20 06:29:31,190 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:29:31,190 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:29:31,190 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:29:31,190 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:29:31,190 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:29:31,191 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:29:31,191 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 06:29:31,191 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 06:29:31,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:29:31 ImpRootNode [2019-11-20 06:29:31,192 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 06:29:31,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:29:31,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:29:31,193 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:29:31,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:10" (3/4) ... [2019-11-20 06:29:31,197 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 06:29:31,202 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 06:29:31,203 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 06:29:31,203 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 06:29:31,203 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 06:29:31,203 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 06:29:31,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 06:29:31,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-20 06:29:31,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-20 06:29:31,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2019-11-20 06:29:31,213 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-20 06:29:31,213 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 06:29:31,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 06:29:31,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 06:29:31,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 06:29:31,241 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || ((1 == systemActive && pumpRunning == \old(pumpRunning)) && !(1 == waterLevel)) [2019-11-20 06:29:31,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-20 06:29:31,290 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cfda58e4-aab0-458b-92f8-99b16fbdf75f/bin/ukojak/witness.graphml [2019-11-20 06:29:31,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:29:31,293 INFO L168 Benchmark]: Toolchain (without parser) took 22794.34 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 365.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -129.6 MB). Peak memory consumption was 235.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:31,293 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:29:31,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:31,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.77 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:31,294 INFO L168 Benchmark]: Boogie Preprocessor took 36.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:29:31,295 INFO L168 Benchmark]: RCFGBuilder took 959.20 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:31,295 INFO L168 Benchmark]: CodeCheck took 21098.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 219.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -29.5 MB). Peak memory consumption was 189.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:31,295 INFO L168 Benchmark]: Witness Printer took 98.03 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:29:31,298 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, 62 locations, 1 error locations. Result: SAFE, OverallTime: 20.6s, OverallIterations: 52, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 779104688 SDtfs, -403540916 SDslu, -1153456144 SDs, 0 SdLazy, -566548608 SolverSat, -1369588420 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22638 GetRequests, 22122 SyntacticMatches, 227 SemanticMatches, 289 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41210 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1936 NumberOfCodeBlocks, 1936 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1885 ConstructedInterpolants, 0 QuantifiedInterpolants, 188472 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 42 PerfectInterpolantSequences, 636/685 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: 952]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || ((1 == systemActive && pumpRunning == \old(pumpRunning)) && !(1 == waterLevel)) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 * 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 542.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.77 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.82 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 959.20 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * CodeCheck took 21098.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 219.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -29.5 MB). Peak memory consumption was 189.6 MB. Max. memory is 11.5 GB. * Witness Printer took 98.03 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...