./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/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 920725b4778fe7902e2cc2a93ab39c30358d9d16 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:21:13,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:21:13,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:21:13,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:21:13,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:21:13,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:21:13,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:21:13,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:21:13,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:21:13,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:21:13,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:21:13,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:21:13,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:21:13,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:21:13,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:21:13,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:21:13,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:21:13,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:21:13,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:21:13,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:21:13,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:21:13,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:21:13,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:21:13,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:21:13,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:21:13,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:21:13,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:21:13,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:21:13,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:21:13,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:21:13,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:21:13,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:21:13,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:21:13,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:21:13,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:21:13,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:21:13,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:21:13,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:21:13,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:21:13,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:21:13,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:21:13,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:21:13,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:21:13,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:21:13,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:21:13,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:21:13,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:21:13,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:21:13,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:21:13,516 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:21:13,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:21:13,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:21:13,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:21:13,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:21:13,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:21:13,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:21:13,517 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:21:13,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:21:13,518 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:21:13,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:21:13,518 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:21:13,518 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:21:13,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:21:13,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:21:13,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:21:13,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:21:13,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:21:13,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:21:13,519 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:21:13,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:21:13,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:21:13,520 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_795bb5e8-1328-439c-8739-fe2ace1f66cf/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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2019-11-26 02:21:13,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:21:13,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:21:13,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:21:13,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:21:13,713 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:21:13,714 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-11-26 02:21:13,771 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/bin/ukojak/data/f41945602/2b62019edcd44726ae20054d6b25f584/FLAGeb25a2ba0 [2019-11-26 02:21:14,171 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:21:14,171 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2019-11-26 02:21:14,184 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/bin/ukojak/data/f41945602/2b62019edcd44726ae20054d6b25f584/FLAGeb25a2ba0 [2019-11-26 02:21:14,572 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/bin/ukojak/data/f41945602/2b62019edcd44726ae20054d6b25f584 [2019-11-26 02:21:14,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:21:14,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:21:14,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:21:14,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:21:14,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:21:14,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:21:14" (1/1) ... [2019-11-26 02:21:14,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a6afe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:14, skipping insertion in model container [2019-11-26 02:21:14,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:21:14" (1/1) ... [2019-11-26 02:21:14,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:21:14,650 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:21:14,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:21:14,988 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:21:15,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:21:15,119 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:21:15,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:15 WrapperNode [2019-11-26 02:21:15,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:21:15,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:21:15,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:21:15,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:21:15,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:15" (1/1) ... [2019-11-26 02:21:15,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:15" (1/1) ... [2019-11-26 02:21:15,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:21:15,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:21:15,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:21:15,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:21:15,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:15" (1/1) ... [2019-11-26 02:21:15,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:15" (1/1) ... [2019-11-26 02:21:15,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:15" (1/1) ... [2019-11-26 02:21:15,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:15" (1/1) ... [2019-11-26 02:21:15,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:15" (1/1) ... [2019-11-26 02:21:15,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:15" (1/1) ... [2019-11-26 02:21:15,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:15" (1/1) ... [2019-11-26 02:21:15,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:21:15,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:21:15,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:21:15,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:21:15,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:21:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/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 [2019-11-26 02:21:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:21:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:21:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:21:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:21:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:21:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:21:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:21:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-26 02:21:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-26 02:21:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:21:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:21:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:21:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:21:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:21:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:21:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:21:16,296 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:21:16,296 INFO L284 CfgBuilder]: Removed 34 assume(true) statements. [2019-11-26 02:21:16,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:21:16 BoogieIcfgContainer [2019-11-26 02:21:16,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:21:16,297 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:21:16,298 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:21:16,309 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:21:16,309 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:21:16" (1/1) ... [2019-11-26 02:21:16,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:21:16,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:16,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2019-11-26 02:21:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2019-11-26 02:21:16,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:21:16,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:16,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:16,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2019-11-26 02:21:16,574 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2019-11-26 02:21:16,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:21:16,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:16,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:16,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:16,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-11-26 02:21:16,753 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-11-26 02:21:16,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:21:16,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:16,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:17,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:17,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2019-11-26 02:21:17,019 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2019-11-26 02:21:17,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 02:21:17,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:17,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:17,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:17,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2019-11-26 02:21:17,445 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2019-11-26 02:21:17,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:21:17,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:18,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 82 states and 131 transitions. [2019-11-26 02:21:18,291 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 131 transitions. [2019-11-26 02:21:18,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:21:18,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:18,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:18,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2019-11-26 02:21:18,373 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2019-11-26 02:21:18,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:21:18,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:18,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:18,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:18,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2019-11-26 02:21:18,449 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2019-11-26 02:21:18,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:21:18,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:18,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:18,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:18,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 85 states and 134 transitions. [2019-11-26 02:21:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 134 transitions. [2019-11-26 02:21:18,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-26 02:21:18,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:18,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:18,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2019-11-26 02:21:18,594 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2019-11-26 02:21:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-26 02:21:18,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:18,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:21:19,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:19,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 92 states and 143 transitions. [2019-11-26 02:21:19,065 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 143 transitions. [2019-11-26 02:21:19,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:21:19,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:19,144 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:21:19,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:19,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 98 states and 155 transitions. [2019-11-26 02:21:19,468 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 155 transitions. [2019-11-26 02:21:19,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:21:19,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:21:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:19,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 96 states and 151 transitions. [2019-11-26 02:21:19,534 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2019-11-26 02:21:19,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:21:19,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:21:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:21,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 103 states and 170 transitions. [2019-11-26 02:21:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 170 transitions. [2019-11-26 02:21:21,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 02:21:21,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:21,124 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:21:21,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:21,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 188 transitions. [2019-11-26 02:21:21,424 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 188 transitions. [2019-11-26 02:21:21,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:21:21,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:21:21,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:21,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 114 states and 192 transitions. [2019-11-26 02:21:21,669 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 192 transitions. [2019-11-26 02:21:21,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-26 02:21:21,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:21,781 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:21:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:23,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 131 states and 242 transitions. [2019-11-26 02:21:23,461 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 242 transitions. [2019-11-26 02:21:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:21:23,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:23,522 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:21:23,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 132 states and 243 transitions. [2019-11-26 02:21:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 243 transitions. [2019-11-26 02:21:23,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:21:23,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:21:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:23,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 133 states and 244 transitions. [2019-11-26 02:21:23,636 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 244 transitions. [2019-11-26 02:21:23,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-26 02:21:23,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:23,685 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:21:23,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:23,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 134 states and 245 transitions. [2019-11-26 02:21:23,707 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 245 transitions. [2019-11-26 02:21:23,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-26 02:21:23,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:23,749 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:21:23,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 135 states and 246 transitions. [2019-11-26 02:21:23,776 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 246 transitions. [2019-11-26 02:21:23,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:21:23,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:21:25,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:25,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 144 states and 272 transitions. [2019-11-26 02:21:25,450 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 272 transitions. [2019-11-26 02:21:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-26 02:21:25,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:25,494 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-26 02:21:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 148 states and 279 transitions. [2019-11-26 02:21:25,827 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2019-11-26 02:21:25,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-26 02:21:25,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:26,081 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-26 02:21:27,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 152 states and 287 transitions. [2019-11-26 02:21:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 287 transitions. [2019-11-26 02:21:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-26 02:21:27,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-26 02:21:27,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 143 states and 264 transitions. [2019-11-26 02:21:27,818 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 264 transitions. [2019-11-26 02:21:27,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-26 02:21:27,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:27,847 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-26 02:21:27,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:27,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 141 states and 260 transitions. [2019-11-26 02:21:27,875 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 260 transitions. [2019-11-26 02:21:27,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-26 02:21:27,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:27,908 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:21:28,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 147 states and 273 transitions. [2019-11-26 02:21:28,967 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 273 transitions. [2019-11-26 02:21:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-26 02:21:28,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:28,999 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-26 02:21:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:29,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 147 states and 272 transitions. [2019-11-26 02:21:29,052 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 272 transitions. [2019-11-26 02:21:29,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-26 02:21:29,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:29,092 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-26 02:21:29,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:29,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 149 states and 275 transitions. [2019-11-26 02:21:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 275 transitions. [2019-11-26 02:21:29,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-26 02:21:29,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:29,356 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-26 02:21:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:29,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 151 states and 276 transitions. [2019-11-26 02:21:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 276 transitions. [2019-11-26 02:21:29,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-26 02:21:29,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-26 02:21:29,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 152 states and 277 transitions. [2019-11-26 02:21:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 277 transitions. [2019-11-26 02:21:29,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-26 02:21:29,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-26 02:21:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 148 states and 267 transitions. [2019-11-26 02:21:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 267 transitions. [2019-11-26 02:21:29,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-26 02:21:29,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-26 02:21:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 141 states and 254 transitions. [2019-11-26 02:21:30,016 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 254 transitions. [2019-11-26 02:21:30,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-26 02:21:30,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-26 02:21:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:32,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 152 states and 275 transitions. [2019-11-26 02:21:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 275 transitions. [2019-11-26 02:21:32,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-26 02:21:32,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:21:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:21:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-26 02:21:33,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:21:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 76 states and 107 transitions. [2019-11-26 02:21:33,099 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-11-26 02:21:33,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:21:33,099 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2019-11-26 02:21:33,108 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:21:33,547 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:21:33,551 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 02:21:33,556 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-26 02:21:33,558 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:21:33,559 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:21:33,559 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2019-11-26 02:21:33,561 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:21:33,561 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:21:33,562 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:21:33,562 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:21:33,562 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 02:21:33,564 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:21:33,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:21:33 ImpRootNode [2019-11-26 02:21:33,564 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:21:33,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:21:33,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:21:33,567 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:21:33,567 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:21:16" (3/4) ... [2019-11-26 02:21:33,571 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:21:33,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-26 02:21:33,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-26 02:21:33,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-26 02:21:33,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-26 02:21:33,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-26 02:21:33,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-26 02:21:33,583 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-11-26 02:21:33,584 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-26 02:21:33,584 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:21:33,585 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:21:33,585 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:21:33,585 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:21:33,586 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:21:33,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-11-26 02:21:33,613 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-11-26 02:21:33,614 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) || 0 == tmp) || tmp == methaneLevelCritical) || !(pumpRunning == 0) [2019-11-26 02:21:33,657 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_795bb5e8-1328-439c-8739-fe2ace1f66cf/bin/ukojak/witness.graphml [2019-11-26 02:21:33,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:21:33,659 INFO L168 Benchmark]: Toolchain (without parser) took 19082.83 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 437.3 MB). Free memory was 944.7 MB in the beginning and 770.2 MB in the end (delta: 174.6 MB). Peak memory consumption was 611.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:21:33,659 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-11-26 02:21:33,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.96 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -276.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:21:33,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.34 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:21:33,660 INFO L168 Benchmark]: Boogie Preprocessor took 30.82 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:21:33,661 INFO L168 Benchmark]: RCFGBuilder took 1095.43 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 86.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:21:33,661 INFO L168 Benchmark]: CodeCheck took 17268.13 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 201.3 MB). Free memory was 1.1 GB in the beginning and 789.2 MB in the end (delta: 340.5 MB). Peak memory consumption was 541.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:21:33,661 INFO L168 Benchmark]: Witness Printer took 91.00 ms. Allocated memory is still 1.5 GB. Free memory was 789.2 MB in the beginning and 770.2 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:21:33,663 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 7 procedures, 46 locations, 1 error locations. Result: SAFE, OverallTime: 16.7s, OverallIterations: 35, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1303623632 SDtfs, 2009279442 SDslu, 302711508 SDs, 0 SdLazy, 205375266 SolverSat, -1527949984 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15137 GetRequests, 14762 SyntacticMatches, 141 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22251 ImplicationChecksByTransitivity, 12.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1530 NumberOfCodeBlocks, 1530 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1496 ConstructedInterpolants, 0 QuantifiedInterpolants, 155498 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 23 PerfectInterpolantSequences, 683/754 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: 206]: 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) || 0 == tmp) || tmp == methaneLevelCritical) || !(pumpRunning == 0) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 542.96 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -276.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.34 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.82 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1095.43 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 86.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 11.5 GB. * CodeCheck took 17268.13 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 201.3 MB). Free memory was 1.1 GB in the beginning and 789.2 MB in the end (delta: 340.5 MB). Peak memory consumption was 541.9 MB. Max. memory is 11.5 GB. * Witness Printer took 91.00 ms. Allocated memory is still 1.5 GB. Free memory was 789.2 MB in the beginning and 770.2 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...