./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eed478f48f8cf940c15b323900b8556a7a21390 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:42:30,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:30,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:30,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:30,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:30,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:30,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:30,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:30,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:30,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:30,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:30,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:30,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:30,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:30,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:30,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:30,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:30,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:31,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:31,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:31,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:31,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:31,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:31,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:31,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:31,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:31,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:31,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:31,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:31,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:31,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:31,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:31,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:31,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:31,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:31,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:31,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:31,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:31,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:31,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:31,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:31,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:42:31,077 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:31,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:31,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:31,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:31,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:31,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:31,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:31,081 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:42:31,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:31,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:42:31,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:31,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:31,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:31,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:31,084 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:42:31,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:31,084 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:31,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:31,085 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:31,085 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:31,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:31,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:31,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:31,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:31,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:31,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:31,087 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:31,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:31,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:31,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eed478f48f8cf940c15b323900b8556a7a21390 [2020-11-28 04:42:31,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:31,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:31,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:31,443 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:31,444 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:31,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2020-11-28 04:42:31,521 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak/data/668974ad6/4a856e3929a0438a93d87029a6280f16/FLAGdad9c0177 [2020-11-28 04:42:32,156 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:32,156 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2020-11-28 04:42:32,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak/data/668974ad6/4a856e3929a0438a93d87029a6280f16/FLAGdad9c0177 [2020-11-28 04:42:32,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak/data/668974ad6/4a856e3929a0438a93d87029a6280f16 [2020-11-28 04:42:32,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:32,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:32,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:32,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:32,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:32,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:32,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59575569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32, skipping insertion in model container [2020-11-28 04:42:32,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:32,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:32,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:32,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:32,858 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:42:32,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:32,973 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:42:32,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32 WrapperNode [2020-11-28 04:42:32,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:32,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:32,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:42:32,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:42:32,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:33,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:33,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:33,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:42:33,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:42:33,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:42:33,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:33,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:33,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:33,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:33,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:33,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:33,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... [2020-11-28 04:42:33,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:42:33,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:42:33,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:42:33,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:42:33,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/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 [2020-11-28 04:42:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:42:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:42:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:42:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:42:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:42:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:42:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:42:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:42:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:42:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:42:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:42:33,215 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:42:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:42:33,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:42:34,695 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:42:34,695 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-28 04:42:34,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:34 BoogieIcfgContainer [2020-11-28 04:42:34,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:42:34,698 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:42:34,699 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:42:34,709 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:42:34,710 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:34" (1/1) ... [2020-11-28 04:42:34,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:42:34,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:34,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2020-11-28 04:42:34,760 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-11-28 04:42:34,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:42:34,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2020-11-28 04:42:35,049 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2020-11-28 04:42:35,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:42:35,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:35,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2020-11-28 04:42:35,201 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2020-11-28 04:42:35,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:42:35,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:35,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 53 states and 74 transitions. [2020-11-28 04:42:35,760 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 74 transitions. [2020-11-28 04:42:35,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:35,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 103 transitions. [2020-11-28 04:42:36,434 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2020-11-28 04:42:36,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:42:36,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2020-11-28 04:42:36,542 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2020-11-28 04:42:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:42:36,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:37,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:37,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 82 states and 139 transitions. [2020-11-28 04:42:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 139 transitions. [2020-11-28 04:42:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:42:37,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:38,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 84 states and 140 transitions. [2020-11-28 04:42:38,019 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 140 transitions. [2020-11-28 04:42:38,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:42:38,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:38,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 89 states and 149 transitions. [2020-11-28 04:42:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2020-11-28 04:42:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:42:38,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:38,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:38,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:38,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 95 states and 166 transitions. [2020-11-28 04:42:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 166 transitions. [2020-11-28 04:42:38,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:42:38,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:38,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:38,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 98 states and 173 transitions. [2020-11-28 04:42:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 173 transitions. [2020-11-28 04:42:38,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:42:38,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:38,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:39,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:39,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 100 states and 175 transitions. [2020-11-28 04:42:39,008 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 175 transitions. [2020-11-28 04:42:39,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:42:39,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:39,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:39,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 102 states and 178 transitions. [2020-11-28 04:42:39,135 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 178 transitions. [2020-11-28 04:42:39,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:42:39,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:39,190 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:39,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 104 states and 180 transitions. [2020-11-28 04:42:39,253 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 180 transitions. [2020-11-28 04:42:39,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:42:39,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:39,310 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:39,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 109 states and 193 transitions. [2020-11-28 04:42:39,472 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 193 transitions. [2020-11-28 04:42:39,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:42:39,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:39,532 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:39,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 110 states and 194 transitions. [2020-11-28 04:42:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 194 transitions. [2020-11-28 04:42:39,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:42:39,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:42:40,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 114 states and 209 transitions. [2020-11-28 04:42:40,543 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 209 transitions. [2020-11-28 04:42:40,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:42:40,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:40,582 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:42:40,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:40,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 116 states and 213 transitions. [2020-11-28 04:42:40,916 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 213 transitions. [2020-11-28 04:42:40,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:42:40,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:43,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:43,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 121 states and 228 transitions. [2020-11-28 04:42:43,088 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 228 transitions. [2020-11-28 04:42:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:42:43,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:43,123 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:43,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 123 states and 231 transitions. [2020-11-28 04:42:43,572 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 231 transitions. [2020-11-28 04:42:43,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:42:43,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:42:44,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:44,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 123 states and 230 transitions. [2020-11-28 04:42:44,057 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 230 transitions. [2020-11-28 04:42:44,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:42:44,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:44,711 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:46,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 127 states and 239 transitions. [2020-11-28 04:42:46,436 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 239 transitions. [2020-11-28 04:42:46,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:42:46,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:46,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:47,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 128 states and 238 transitions. [2020-11-28 04:42:47,152 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 238 transitions. [2020-11-28 04:42:47,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:42:47,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:47,225 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-28 04:42:47,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:47,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 129 states and 238 transitions. [2020-11-28 04:42:47,247 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 238 transitions. [2020-11-28 04:42:47,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:42:47,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:42:47,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:47,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 131 states and 249 transitions. [2020-11-28 04:42:47,815 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 249 transitions. [2020-11-28 04:42:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:42:47,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:42:48,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:48,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 131 states and 248 transitions. [2020-11-28 04:42:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 248 transitions. [2020-11-28 04:42:48,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:42:48,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:42:48,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 133 states and 248 transitions. [2020-11-28 04:42:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 248 transitions. [2020-11-28 04:42:48,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:42:48,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:48,764 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:42:48,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:48,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 137 states and 256 transitions. [2020-11-28 04:42:48,945 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 256 transitions. [2020-11-28 04:42:48,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:42:48,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:49,013 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-28 04:42:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:49,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 138 states and 258 transitions. [2020-11-28 04:42:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 258 transitions. [2020-11-28 04:42:49,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:42:49,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-28 04:42:49,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:49,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 54 states and 76 transitions. [2020-11-28 04:42:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2020-11-28 04:42:49,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:42:49,942 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2020-11-28 04:42:49,948 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:42:50,454 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-11-28 04:42:50,464 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:50,465 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:50,465 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:50,465 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:50,465 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:42:50,467 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:50,467 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:50,468 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2020-11-28 04:42:50,471 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:50,471 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:50,472 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:42:50,472 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:50,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:42:50 ImpRootNode [2020-11-28 04:42:50,473 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:42:50,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:42:50,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:42:50,474 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:42:50,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:34" (3/4) ... [2020-11-28 04:42:50,492 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:42:50,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:42:50,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:42:50,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:42:50,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:42:50,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:42:50,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-28 04:42:50,508 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:42:50,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:42:50,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:42:50,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:42:50,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:42:50,511 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:42:50,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || 0 == systemActive [2020-11-28 04:42:50,543 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0) [2020-11-28 04:42:50,546 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(waterLevel) == tmp) || \old(waterLevel) == waterLevel) || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || 0 == systemActive [2020-11-28 04:42:50,588 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d0e7d110-0c23-48f2-acef-58cbdbd2b12f/bin/ukojak/witness.graphml [2020-11-28 04:42:50,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:42:50,590 INFO L168 Benchmark]: Toolchain (without parser) took 18139.98 ms. Allocated memory was 81.8 MB in the beginning and 283.1 MB in the end (delta: 201.3 MB). Free memory was 49.8 MB in the beginning and 96.8 MB in the end (delta: -47.0 MB). Peak memory consumption was 155.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:50,591 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 43.3 MB in the beginning and 43.2 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:50,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.36 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 49.6 MB in the end (delta: 10.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:50,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.96 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 47.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:50,592 INFO L168 Benchmark]: Boogie Preprocessor took 64.87 ms. Allocated memory is still 81.8 MB. Free memory was 47.2 MB in the beginning and 45.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:50,592 INFO L168 Benchmark]: RCFGBuilder took 1576.03 ms. Allocated memory was 81.8 MB in the beginning and 111.1 MB in the end (delta: 29.4 MB). Free memory was 45.4 MB in the beginning and 73.7 MB in the end (delta: -28.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:50,593 INFO L168 Benchmark]: CodeCheck took 15774.90 ms. Allocated memory was 111.1 MB in the beginning and 283.1 MB in the end (delta: 172.0 MB). Free memory was 73.7 MB in the beginning and 102.1 MB in the end (delta: -28.4 MB). Peak memory consumption was 142.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:50,593 INFO L168 Benchmark]: Witness Printer took 114.87 ms. Allocated memory is still 283.1 MB. Free memory was 102.1 MB in the beginning and 96.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:50,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.2s, OverallIterations: 30, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1571616064 SDtfs, 70472880 SDslu, -586097752 SDs, 0 SdLazy, 54966564 SolverSat, -1526291912 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10678 GetRequests, 10329 SyntacticMatches, 123 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25431 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 990 NumberOfCodeBlocks, 990 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 961 ConstructedInterpolants, 0 QuantifiedInterpolants, 131446 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 19 PerfectInterpolantSequences, 358/427 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: 3]: 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: 129]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == tmp) || \old(waterLevel) == waterLevel) || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 43.3 MB in the beginning and 43.2 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 519.36 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 49.6 MB in the end (delta: 10.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.96 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 47.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.87 ms. Allocated memory is still 81.8 MB. Free memory was 47.2 MB in the beginning and 45.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1576.03 ms. Allocated memory was 81.8 MB in the beginning and 111.1 MB in the end (delta: 29.4 MB). Free memory was 45.4 MB in the beginning and 73.7 MB in the end (delta: -28.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. * CodeCheck took 15774.90 ms. Allocated memory was 111.1 MB in the beginning and 283.1 MB in the end (delta: 172.0 MB). Free memory was 73.7 MB in the beginning and 102.1 MB in the end (delta: -28.4 MB). Peak memory consumption was 142.2 MB. Max. memory is 16.1 GB. * Witness Printer took 114.87 ms. Allocated memory is still 283.1 MB. Free memory was 102.1 MB in the beginning and 96.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...