./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.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_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/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 84bee68029cd4e9781f81f2ec079192bad30236f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:40:01,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:40:01,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:40:01,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:40:01,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:40:01,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:40:01,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:40:01,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:40:01,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:40:01,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:40:01,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:40:01,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:40:01,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:40:01,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:40:01,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:40:01,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:40:01,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:40:01,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:40:01,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:40:01,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:40:01,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:40:01,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:40:01,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:40:01,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:40:01,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:40:01,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:40:01,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:40:01,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:40:01,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:40:01,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:40:01,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:40:01,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:40:01,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:40:01,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:40:01,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:40:01,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:40:01,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:40:01,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:40:01,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:40:01,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:40:01,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:40:01,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:40:02,015 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:40:02,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:40:02,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:40:02,026 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:40:02,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:40:02,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:40:02,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:40:02,027 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:40:02,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:40:02,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:40:02,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:40:02,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:40:02,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:40:02,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:40:02,029 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:40:02,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:40:02,030 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:40:02,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:40:02,030 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:40:02,030 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:40:02,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:40:02,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:40:02,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:40:02,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:40:02,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:40:02,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:40:02,032 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:40:02,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:40:02,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:40:02,033 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_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2019-11-26 02:40:02,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:40:02,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:40:02,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:40:02,207 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:40:02,207 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:40:02,208 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-11-26 02:40:02,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/bin/ukojak/data/69a699125/58ab88a04a0b434b8ef8a97357b9c140/FLAGd10d589c6 [2019-11-26 02:40:02,692 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:40:02,696 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2019-11-26 02:40:02,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/bin/ukojak/data/69a699125/58ab88a04a0b434b8ef8a97357b9c140/FLAGd10d589c6 [2019-11-26 02:40:02,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/bin/ukojak/data/69a699125/58ab88a04a0b434b8ef8a97357b9c140 [2019-11-26 02:40:02,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:40:02,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:40:02,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:40:02,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:40:02,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:40:02,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:40:02" (1/1) ... [2019-11-26 02:40:02,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8408fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:02, skipping insertion in model container [2019-11-26 02:40:02,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:40:02" (1/1) ... [2019-11-26 02:40:02,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:40:02,774 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:40:03,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:40:03,105 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:40:03,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:40:03,255 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:40:03,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:03 WrapperNode [2019-11-26 02:40:03,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:40:03,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:40:03,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:40:03,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:40:03,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:03" (1/1) ... [2019-11-26 02:40:03,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:03" (1/1) ... [2019-11-26 02:40:03,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:40:03,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:40:03,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:40:03,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:40:03,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:03" (1/1) ... [2019-11-26 02:40:03,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:03" (1/1) ... [2019-11-26 02:40:03,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:03" (1/1) ... [2019-11-26 02:40:03,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:03" (1/1) ... [2019-11-26 02:40:03,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:03" (1/1) ... [2019-11-26 02:40:03,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:03" (1/1) ... [2019-11-26 02:40:03,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:03" (1/1) ... [2019-11-26 02:40:03,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:40:03,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:40:03,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:40:03,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:40:03,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:40:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/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 02:40:03,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:40:03,432 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:40:03,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:40:03,433 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:40:03,433 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:40:03,433 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:40:03,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:40:03,433 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:40:03,433 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:40:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-26 02:40:03,434 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-26 02:40:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:40:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:40:03,434 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:40:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:40:03,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:40:04,335 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:40:04,335 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-26 02:40:04,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:40:04 BoogieIcfgContainer [2019-11-26 02:40:04,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:40:04,337 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:40:04,337 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:40:04,346 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:40:04,346 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:40:04" (1/1) ... [2019-11-26 02:40:04,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:40:04,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:04,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-11-26 02:40:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-11-26 02:40:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:40:04,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:04,633 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 02:40:04,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:04,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-11-26 02:40:04,645 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-11-26 02:40:04,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:40:04,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:04,783 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 02:40:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-11-26 02:40:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-11-26 02:40:04,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:40:04,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:04,954 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 02:40:05,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:05,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2019-11-26 02:40:05,162 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2019-11-26 02:40:05,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:40:05,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:05,211 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 02:40:05,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:05,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2019-11-26 02:40:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-11-26 02:40:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:40:05,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:05,299 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 02:40:05,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:05,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2019-11-26 02:40:05,315 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2019-11-26 02:40:05,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:40:05,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:05,360 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 02:40:05,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:05,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 92 transitions. [2019-11-26 02:40:05,369 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2019-11-26 02:40:05,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:40:05,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:40:06,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:06,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2019-11-26 02:40:06,236 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2019-11-26 02:40:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:40:06,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:06,347 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 02:40:07,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 88 states and 147 transitions. [2019-11-26 02:40:07,027 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 147 transitions. [2019-11-26 02:40:07,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 02:40:07,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:07,074 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 02:40:07,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:07,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 90 states and 148 transitions. [2019-11-26 02:40:07,232 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 148 transitions. [2019-11-26 02:40:07,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 02:40:07,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:07,266 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 02:40:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 91 states and 149 transitions. [2019-11-26 02:40:07,359 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 149 transitions. [2019-11-26 02:40:07,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:40:07,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:07,389 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 02:40:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:07,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 166 transitions. [2019-11-26 02:40:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2019-11-26 02:40:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:40:07,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:40:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:07,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 167 transitions. [2019-11-26 02:40:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2019-11-26 02:40:07,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-26 02:40:07,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:40:08,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:08,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 183 transitions. [2019-11-26 02:40:08,023 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 183 transitions. [2019-11-26 02:40:08,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-26 02:40:08,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:08,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:40:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:08,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 109 states and 184 transitions. [2019-11-26 02:40:08,085 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2019-11-26 02:40:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:40:08,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:40:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:08,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 187 transitions. [2019-11-26 02:40:08,302 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 187 transitions. [2019-11-26 02:40:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:40:08,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:40:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:08,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 111 states and 190 transitions. [2019-11-26 02:40:08,361 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 190 transitions. [2019-11-26 02:40:08,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-26 02:40:08,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:08,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:40:08,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 114 states and 198 transitions. [2019-11-26 02:40:08,708 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 198 transitions. [2019-11-26 02:40:08,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:40:08,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:08,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:40:08,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:08,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 119 states and 206 transitions. [2019-11-26 02:40:08,939 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 206 transitions. [2019-11-26 02:40:08,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 02:40:08,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:08,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:40:08,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:08,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 120 states and 206 transitions. [2019-11-26 02:40:08,980 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 206 transitions. [2019-11-26 02:40:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:40:08,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:09,007 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:40:09,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:09,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 207 transitions. [2019-11-26 02:40:09,226 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 207 transitions. [2019-11-26 02:40:09,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 02:40:09,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:40:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:10,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 133 states and 247 transitions. [2019-11-26 02:40:10,261 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2019-11-26 02:40:10,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 02:40:10,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:40:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 137 states and 254 transitions. [2019-11-26 02:40:10,830 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 254 transitions. [2019-11-26 02:40:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:40:10,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:10,860 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:40:10,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 138 states and 254 transitions. [2019-11-26 02:40:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 254 transitions. [2019-11-26 02:40:10,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:40:10,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:40:13,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:13,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 277 transitions. [2019-11-26 02:40:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 277 transitions. [2019-11-26 02:40:13,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-26 02:40:13,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:13,416 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:40:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 147 states and 278 transitions. [2019-11-26 02:40:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2019-11-26 02:40:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-26 02:40:13,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:40:13,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:13,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 279 transitions. [2019-11-26 02:40:13,498 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2019-11-26 02:40:13,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 02:40:13,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:40:13,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:13,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 276 transitions. [2019-11-26 02:40:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 276 transitions. [2019-11-26 02:40:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:40:13,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:40:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 152 states and 276 transitions. [2019-11-26 02:40:14,658 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 276 transitions. [2019-11-26 02:40:14,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:40:14,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:14,684 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:40:14,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:14,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 154 states and 278 transitions. [2019-11-26 02:40:14,933 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2019-11-26 02:40:14,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:40:14,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:14,960 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:40:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 125 states and 212 transitions. [2019-11-26 02:40:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2019-11-26 02:40:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:40:15,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:15,334 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 02:40:15,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:15,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 129 states and 219 transitions. [2019-11-26 02:40:15,370 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2019-11-26 02:40:15,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-26 02:40:15,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-26 02:40:15,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:15,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 130 states and 219 transitions. [2019-11-26 02:40:15,415 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 219 transitions. [2019-11-26 02:40:15,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:40:15,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-26 02:40:15,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:15,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 116 states and 191 transitions. [2019-11-26 02:40:15,462 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2019-11-26 02:40:15,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:40:15,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 02:40:15,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:15,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 114 states and 187 transitions. [2019-11-26 02:40:15,512 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 187 transitions. [2019-11-26 02:40:15,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:40:15,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:40:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:40:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 02:40:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:40:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 72 states and 107 transitions. [2019-11-26 02:40:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2019-11-26 02:40:15,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:40:15,564 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2019-11-26 02:40:15,574 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:40:15,842 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:40:15,847 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:40:15,847 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:40:15,847 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:40:15,848 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:40:15,848 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:40:15,848 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:40:15,848 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-26 02:40:15,854 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:40:15,855 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:40:15,855 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-26 02:40:15,856 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:40:15,858 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2019-11-26 02:40:15,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:40:15 ImpRootNode [2019-11-26 02:40:15,861 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:40:15,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:40:15,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:40:15,862 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:40:15,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:40:04" (3/4) ... [2019-11-26 02:40:15,867 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:40:15,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-26 02:40:15,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-26 02:40:15,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-26 02:40:15,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-26 02:40:15,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-26 02:40:15,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-26 02:40:15,881 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-11-26 02:40:15,882 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-26 02:40:15,882 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:40:15,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:40:15,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:40:15,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:40:15,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:40:15,907 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-11-26 02:40:15,908 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2019-11-26 02:40:15,960 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_07e7faf1-e34b-4b3a-9b37-b7a1d9ee40a0/bin/ukojak/witness.graphml [2019-11-26 02:40:15,960 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:40:15,962 INFO L168 Benchmark]: Toolchain (without parser) took 13238.61 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 377.0 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -289.0 MB). Peak memory consumption was 87.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:40:15,962 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 961.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:40:15,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:40:15,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.09 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: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:40:15,963 INFO L168 Benchmark]: Boogie Preprocessor took 36.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:40:15,964 INFO L168 Benchmark]: RCFGBuilder took 965.91 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: 77.7 MB). Peak memory consumption was 77.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:40:15,964 INFO L168 Benchmark]: CodeCheck took 11523.89 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 238.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -201.5 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:40:15,965 INFO L168 Benchmark]: Witness Printer took 98.17 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:40:15,967 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, 50 locations, 1 error locations. Result: SAFE, OverallTime: 11.1s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1822205300 SDtfs, 500835804 SDslu, 338020300 SDs, 0 SdLazy, -1215660132 SolverSat, -1650153012 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11072 GetRequests, 10735 SyntacticMatches, 159 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13416 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1083 NumberOfCodeBlocks, 1083 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1048 ConstructedInterpolants, 0 QuantifiedInterpolants, 80928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 26 PerfectInterpolantSequences, 281/315 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: 148]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (tmp == systemActive && 1 == waterLevel) && pumpRunning == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 961.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 532.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.09 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: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 965.91 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: 77.7 MB). Peak memory consumption was 77.7 MB. Max. memory is 11.5 GB. * CodeCheck took 11523.89 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 238.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -201.5 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Witness Printer took 98.17 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...