./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.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_7938f899-0660-43d5-8c68-f5139d5a2757/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7938f899-0660-43d5-8c68-f5139d5a2757/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7938f899-0660-43d5-8c68-f5139d5a2757/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7938f899-0660-43d5-8c68-f5139d5a2757/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7938f899-0660-43d5-8c68-f5139d5a2757/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7938f899-0660-43d5-8c68-f5139d5a2757/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 dc3dd4b03388c0e9f3c50c37d63b34457af69f46 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:12:03,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:03,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:03,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:03,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:03,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:03,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:03,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:03,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:03,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:03,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:03,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:03,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:03,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:03,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:03,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:03,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:03,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:03,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:03,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:03,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:03,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:03,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:03,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:03,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:03,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:03,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:03,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:03,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:03,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:03,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:03,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:03,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:03,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:03,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:03,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:03,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:03,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:03,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:03,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:03,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:03,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7938f899-0660-43d5-8c68-f5139d5a2757/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:12:03,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:03,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:03,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:12:03,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:12:03,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:03,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:03,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:03,492 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:03,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:03,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:03,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:03,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:12:03,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:03,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:12:03,494 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:03,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:12:03,494 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:03,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:12:03,495 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:03,495 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:03,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:03,495 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:03,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:03,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:03,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:03,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:12:03,496 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:03,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:03,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:12:03,497 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_7938f899-0660-43d5-8c68-f5139d5a2757/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 -> dc3dd4b03388c0e9f3c50c37d63b34457af69f46 [2019-10-22 10:12:03,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:03,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:03,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:03,543 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:03,544 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:03,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7938f899-0660-43d5-8c68-f5139d5a2757/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-10-22 10:12:03,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7938f899-0660-43d5-8c68-f5139d5a2757/bin/ukojak/data/357d47512/5f327119f4204928a008f891f7ca2870/FLAG0735c19dc [2019-10-22 10:12:04,119 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:04,121 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7938f899-0660-43d5-8c68-f5139d5a2757/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-10-22 10:12:04,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7938f899-0660-43d5-8c68-f5139d5a2757/bin/ukojak/data/357d47512/5f327119f4204928a008f891f7ca2870/FLAG0735c19dc [2019-10-22 10:12:04,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7938f899-0660-43d5-8c68-f5139d5a2757/bin/ukojak/data/357d47512/5f327119f4204928a008f891f7ca2870 [2019-10-22 10:12:04,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:04,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:04,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:04,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:04,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:04,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:04,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733aa442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04, skipping insertion in model container [2019-10-22 10:12:04,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:04,412 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:04,457 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:04,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:04,867 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:04,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:04,972 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:04,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04 WrapperNode [2019-10-22 10:12:04,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:04,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:04,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:04,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:04,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:05,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:05,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:05,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:05,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:05,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:05,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:05,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:05,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:05,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:05,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:05,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:05,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... [2019-10-22 10:12:05,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:05,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:05,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:05,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:05,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7938f899-0660-43d5-8c68-f5139d5a2757/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 10:12:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:12:05,170 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:12:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:12:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:12:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:12:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:12:05,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:12:05,171 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:12:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:12:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:12:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:12:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-22 10:12:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-22 10:12:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:12:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:12:05,172 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:12:05,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:06,096 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:06,098 INFO L284 CfgBuilder]: Removed 34 assume(true) statements. [2019-10-22 10:12:06,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:06 BoogieIcfgContainer [2019-10-22 10:12:06,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:06,100 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:06,100 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:06,112 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:06,112 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:06" (1/1) ... [2019-10-22 10:12:06,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:06,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:06,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2019-10-22 10:12:06,166 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2019-10-22 10:12:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:12:06,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:06,363 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 10:12:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:06,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2019-10-22 10:12:06,377 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2019-10-22 10:12:06,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:12:06,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:06,479 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 10:12:06,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:06,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2019-10-22 10:12:06,502 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2019-10-22 10:12:06,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:12:06,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:06,611 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 10:12:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2019-10-22 10:12:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2019-10-22 10:12:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:12:06,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:06,898 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 10:12:07,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 79 states and 117 transitions. [2019-10-22 10:12:07,391 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 117 transitions. [2019-10-22 10:12:07,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:12:07,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:07,503 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 10:12:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2019-10-22 10:12:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2019-10-22 10:12:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:12:07,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:07,735 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 10:12:08,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 101 states and 167 transitions. [2019-10-22 10:12:08,830 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2019-10-22 10:12:08,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:12:08,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:08,892 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 10:12:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2019-10-22 10:12:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2019-10-22 10:12:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:12:09,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:09,107 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 10:12:09,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:09,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 177 transitions. [2019-10-22 10:12:09,278 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2019-10-22 10:12:09,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:12:09,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:09,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 113 states and 187 transitions. [2019-10-22 10:12:09,461 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 187 transitions. [2019-10-22 10:12:09,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:12:09,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 114 states and 188 transitions. [2019-10-22 10:12:09,525 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 188 transitions. [2019-10-22 10:12:09,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:12:09,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:09,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:09,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 115 states and 190 transitions. [2019-10-22 10:12:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 190 transitions. [2019-10-22 10:12:09,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:12:09,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:10,046 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:12:10,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:10,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 118 states and 198 transitions. [2019-10-22 10:12:10,794 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2019-10-22 10:12:10,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:12:10,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:10,902 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:11,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:11,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 124 states and 214 transitions. [2019-10-22 10:12:11,335 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 214 transitions. [2019-10-22 10:12:11,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:12:11,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:11,385 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:11,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:11,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 122 states and 210 transitions. [2019-10-22 10:12:11,411 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 210 transitions. [2019-10-22 10:12:11,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:12:11,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 130 states and 225 transitions. [2019-10-22 10:12:12,085 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 225 transitions. [2019-10-22 10:12:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:12:12,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:12:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 132 states and 230 transitions. [2019-10-22 10:12:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 230 transitions. [2019-10-22 10:12:12,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:12:12,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:12:12,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:12,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 135 states and 233 transitions. [2019-10-22 10:12:12,681 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 233 transitions. [2019-10-22 10:12:12,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:12:12,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:12,786 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:12:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:14,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 146 states and 262 transitions. [2019-10-22 10:12:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 262 transitions. [2019-10-22 10:12:14,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:12:14,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:12:15,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:15,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 158 states and 288 transitions. [2019-10-22 10:12:15,940 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 288 transitions. [2019-10-22 10:12:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:12:15,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:12:16,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:16,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 159 states and 289 transitions. [2019-10-22 10:12:16,008 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 289 transitions. [2019-10-22 10:12:16,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:12:16,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:16,060 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:12:16,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:16,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 163 states and 296 transitions. [2019-10-22 10:12:16,353 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 296 transitions. [2019-10-22 10:12:16,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 10:12:16,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-22 10:12:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:16,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 167 states and 304 transitions. [2019-10-22 10:12:16,880 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 304 transitions. [2019-10-22 10:12:16,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 10:12:16,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-22 10:12:16,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:16,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 165 states and 300 transitions. [2019-10-22 10:12:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 300 transitions. [2019-10-22 10:12:16,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 10:12:16,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:12:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 173 states and 312 transitions. [2019-10-22 10:12:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 312 transitions. [2019-10-22 10:12:18,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:12:18,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-22 10:12:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 175 states and 313 transitions. [2019-10-22 10:12:18,316 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 313 transitions. [2019-10-22 10:12:18,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:12:18,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 10:12:18,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:18,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 179 states and 321 transitions. [2019-10-22 10:12:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 321 transitions. [2019-10-22 10:12:18,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 10:12:18,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:12:18,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:18,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 180 states and 321 transitions. [2019-10-22 10:12:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 321 transitions. [2019-10-22 10:12:18,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 10:12:18,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:12:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 182 states and 322 transitions. [2019-10-22 10:12:19,289 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 322 transitions. [2019-10-22 10:12:19,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:12:19,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:19,336 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:12:19,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:19,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 184 states and 325 transitions. [2019-10-22 10:12:19,368 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 325 transitions. [2019-10-22 10:12:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:12:19,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:19,401 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-22 10:12:20,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 133 states and 205 transitions. [2019-10-22 10:12:20,177 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 205 transitions. [2019-10-22 10:12:20,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 10:12:20,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:20,217 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-22 10:12:20,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:20,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 134 states and 206 transitions. [2019-10-22 10:12:20,254 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 206 transitions. [2019-10-22 10:12:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-22 10:12:20,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:20,304 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:12:20,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:20,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 53 states and 65 transitions. [2019-10-22 10:12:20,330 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2019-10-22 10:12:20,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:12:20,330 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2019-10-22 10:12:20,343 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:12:20,679 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:20,683 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:20,683 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:20,683 INFO L575 CodeCheckObserver]: Invariant with dag size 11 [2019-10-22 10:12:20,687 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:20,688 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:12:20,689 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:20,689 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:20,689 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:20,689 INFO L575 CodeCheckObserver]: Invariant with dag size 7 [2019-10-22 10:12:20,690 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:20,690 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:12:20,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:12:20 ImpRootNode [2019-10-22 10:12:20,691 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:12:20,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:12:20,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:12:20,691 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:12:20,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:06" (3/4) ... [2019-10-22 10:12:20,697 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:12:20,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:12:20,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:12:20,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:12:20,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-10-22 10:12:20,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:12:20,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:12:20,704 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-10-22 10:12:20,710 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-10-22 10:12:20,710 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 10:12:20,710 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-10-22 10:12:20,711 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:12:20,711 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:12:20,711 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:12:20,745 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) [2019-10-22 10:12:20,783 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7938f899-0660-43d5-8c68-f5139d5a2757/bin/ukojak/witness.graphml [2019-10-22 10:12:20,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:12:20,785 INFO L168 Benchmark]: Toolchain (without parser) took 16391.50 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 399.0 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -115.6 MB). Peak memory consumption was 283.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:20,786 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:20,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:20,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.99 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:20,787 INFO L168 Benchmark]: Boogie Preprocessor took 57.20 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:20,788 INFO L168 Benchmark]: RCFGBuilder took 986.72 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: 72.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:20,788 INFO L168 Benchmark]: CodeCheck took 14590.66 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 265.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -33.2 MB). Peak memory consumption was 232.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:20,789 INFO L168 Benchmark]: Witness Printer took 91.94 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:20,791 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 8 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 14.1s, OverallIterations: 33, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1680767284 SDtfs, -1627105292 SDslu, 674512300 SDs, 0 SdLazy, -94669308 SolverSat, 323906724 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14233 GetRequests, 13907 SyntacticMatches, 90 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22943 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1398 NumberOfCodeBlocks, 1398 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1366 ConstructedInterpolants, 0 QuantifiedInterpolants, 123640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 22 PerfectInterpolantSequences, 520/576 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: 130]: 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: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 578.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.99 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.20 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 986.72 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: 72.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 11.5 GB. * CodeCheck took 14590.66 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 265.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -33.2 MB). Peak memory consumption was 232.1 MB. Max. memory is 11.5 GB. * Witness Printer took 91.94 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...