./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product30_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product30_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/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 1d0026e76f5b8e958e588041cb7bf523794c6674 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:23:57,951 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:23:57,952 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:23:57,959 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:23:57,959 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:23:57,960 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:23:57,961 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:23:57,962 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:23:57,963 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:23:57,963 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:23:57,964 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:23:57,964 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:23:57,965 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:23:57,966 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:23:57,967 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:23:57,967 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:23:57,968 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:23:57,969 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:23:57,971 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:23:57,972 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:23:57,973 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:23:57,974 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:23:57,976 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:23:57,976 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:23:57,976 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:23:57,977 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:23:57,978 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:23:57,979 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:23:57,979 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:23:57,980 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:23:57,980 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:23:57,980 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:23:57,981 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:23:57,981 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:23:57,981 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:23:57,983 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:23:57,983 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 14:23:57,993 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:23:57,994 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:23:57,994 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:23:57,994 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 14:23:57,995 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:23:57,995 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:23:57,995 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:23:57,995 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:23:57,995 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:23:57,996 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:23:57,996 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:23:57,996 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:23:57,996 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:23:57,996 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:23:57,996 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:23:57,996 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:23:57,996 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:23:57,997 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:23:57,997 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 14:23:57,997 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 14:23:57,997 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:23:57,997 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:23:57,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:23:57,997 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:23:57,997 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:23:57,998 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:23:57,998 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 14:23:57,998 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:23:57,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:23:57,999 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/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 -> 1d0026e76f5b8e958e588041cb7bf523794c6674 [2018-11-23 14:23:58,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:23:58,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:23:58,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:23:58,034 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:23:58,034 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:23:58,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product30_true-unreach-call_false-termination.cil.c [2018-11-23 14:23:58,070 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/ukojak/data/af5a8eeb6/e4f0a9713b724ec091361ebcc0d72a34/FLAG8c8ff7777 [2018-11-23 14:23:58,407 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:23:58,408 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/sv-benchmarks/c/product-lines/minepump_spec1_product30_true-unreach-call_false-termination.cil.c [2018-11-23 14:23:58,418 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/ukojak/data/af5a8eeb6/e4f0a9713b724ec091361ebcc0d72a34/FLAG8c8ff7777 [2018-11-23 14:23:58,430 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/ukojak/data/af5a8eeb6/e4f0a9713b724ec091361ebcc0d72a34 [2018-11-23 14:23:58,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:23:58,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:23:58,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:23:58,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:23:58,438 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:23:58,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:23:58" (1/1) ... [2018-11-23 14:23:58,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d722fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:58, skipping insertion in model container [2018-11-23 14:23:58,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:23:58" (1/1) ... [2018-11-23 14:23:58,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:23:58,483 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:23:58,700 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:23:58,709 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:23:58,812 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:23:58,829 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:23:58,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:58 WrapperNode [2018-11-23 14:23:58,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:23:58,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:23:58,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:23:58,830 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:23:58,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:58" (1/1) ... [2018-11-23 14:23:58,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:58" (1/1) ... [2018-11-23 14:23:58,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:23:58,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:23:58,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:23:58,869 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:23:58,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:58" (1/1) ... [2018-11-23 14:23:58,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:58" (1/1) ... [2018-11-23 14:23:58,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:58" (1/1) ... [2018-11-23 14:23:58,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:58" (1/1) ... [2018-11-23 14:23:58,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:58" (1/1) ... [2018-11-23 14:23:58,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:58" (1/1) ... [2018-11-23 14:23:58,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:58" (1/1) ... [2018-11-23 14:23:58,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:23:58,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:23:58,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:23:58,895 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:23:58,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/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 [2018-11-23 14:23:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:23:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 14:23:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 14:23:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 14:23:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 14:23:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 14:23:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 14:23:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 14:23:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 14:23:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 14:23:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 14:23:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 14:23:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 14:23:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 14:23:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 14:23:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 14:23:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 14:23:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 14:23:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 14:23:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 14:23:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:23:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:23:59,520 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:23:59,520 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-11-23 14:23:59,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:23:59 BoogieIcfgContainer [2018-11-23 14:23:59,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:23:59,521 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 14:23:59,521 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 14:23:59,528 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 14:23:59,528 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:23:59" (1/1) ... [2018-11-23 14:23:59,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:23:59,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:23:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2018-11-23 14:23:59,564 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2018-11-23 14:23:59,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 14:23:59,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:23:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:23:59,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:23:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:23:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2018-11-23 14:23:59,724 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2018-11-23 14:23:59,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 14:23:59,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:23:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:23:59,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:23:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:23:59,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2018-11-23 14:23:59,823 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2018-11-23 14:23:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:23:59,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:23:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:23:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:00,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2018-11-23 14:24:00,047 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2018-11-23 14:24:00,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 14:24:00,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:00,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:00,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 88 states and 131 transitions. [2018-11-23 14:24:00,474 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2018-11-23 14:24:00,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 14:24:00,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:00,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:01,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 103 states and 165 transitions. [2018-11-23 14:24:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2018-11-23 14:24:01,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 14:24:01,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:01,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:01,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:01,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 105 states and 167 transitions. [2018-11-23 14:24:01,345 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 167 transitions. [2018-11-23 14:24:01,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 14:24:01,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:01,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:01,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 113 states and 183 transitions. [2018-11-23 14:24:01,464 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 183 transitions. [2018-11-23 14:24:01,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 14:24:01,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:01,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 115 states and 185 transitions. [2018-11-23 14:24:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 185 transitions. [2018-11-23 14:24:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 14:24:01,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:01,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 200 transitions. [2018-11-23 14:24:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 200 transitions. [2018-11-23 14:24:01,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 14:24:01,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:01,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 123 states and 205 transitions. [2018-11-23 14:24:01,906 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 205 transitions. [2018-11-23 14:24:01,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 14:24:01,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:01,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:02,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:02,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 121 states and 199 transitions. [2018-11-23 14:24:02,003 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 199 transitions. [2018-11-23 14:24:02,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 14:24:02,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:24:02,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:02,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 126 states and 209 transitions. [2018-11-23 14:24:02,158 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 209 transitions. [2018-11-23 14:24:02,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 14:24:02,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:24:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 127 states and 210 transitions. [2018-11-23 14:24:02,196 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 210 transitions. [2018-11-23 14:24:02,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 14:24:02,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 14:24:02,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:02,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 130 states and 217 transitions. [2018-11-23 14:24:02,896 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 217 transitions. [2018-11-23 14:24:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 14:24:02,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:24:02,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:02,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 131 states and 217 transitions. [2018-11-23 14:24:02,937 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2018-11-23 14:24:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 14:24:02,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:02,959 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:24:03,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:03,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 139 states and 232 transitions. [2018-11-23 14:24:03,477 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 232 transitions. [2018-11-23 14:24:03,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 14:24:03,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:24:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 145 states and 247 transitions. [2018-11-23 14:24:03,791 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 247 transitions. [2018-11-23 14:24:03,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 14:24:03,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:24:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:03,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 143 states and 243 transitions. [2018-11-23 14:24:03,839 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2018-11-23 14:24:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 14:24:03,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:03,857 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:24:04,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 145 states and 248 transitions. [2018-11-23 14:24:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 248 transitions. [2018-11-23 14:24:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 14:24:04,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 14:24:04,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 148 states and 251 transitions. [2018-11-23 14:24:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 251 transitions. [2018-11-23 14:24:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 14:24:04,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 14:24:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:05,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 160 states and 277 transitions. [2018-11-23 14:24:05,222 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 277 transitions. [2018-11-23 14:24:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 14:24:05,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 14:24:06,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:06,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 171 states and 309 transitions. [2018-11-23 14:24:06,135 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 309 transitions. [2018-11-23 14:24:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 14:24:06,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:06,193 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:24:06,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:06,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 177 states and 323 transitions. [2018-11-23 14:24:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 323 transitions. [2018-11-23 14:24:06,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:24:06,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:24:06,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:06,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 178 states and 323 transitions. [2018-11-23 14:24:06,986 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 323 transitions. [2018-11-23 14:24:06,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:24:06,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:07,007 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:24:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 180 states and 324 transitions. [2018-11-23 14:24:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 324 transitions. [2018-11-23 14:24:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 14:24:07,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:07,273 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:24:08,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 188 states and 336 transitions. [2018-11-23 14:24:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 336 transitions. [2018-11-23 14:24:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 14:24:08,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 14:24:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 191 states and 340 transitions. [2018-11-23 14:24:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 340 transitions. [2018-11-23 14:24:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 14:24:08,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:08,394 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 14:24:08,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 192 states and 341 transitions. [2018-11-23 14:24:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 341 transitions. [2018-11-23 14:24:08,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 14:24:08,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:08,521 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 14:24:08,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 193 states and 342 transitions. [2018-11-23 14:24:08,531 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 342 transitions. [2018-11-23 14:24:08,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 14:24:08,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:08,551 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 14:24:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 149 states and 236 transitions. [2018-11-23 14:24:09,086 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 236 transitions. [2018-11-23 14:24:09,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-23 14:24:09,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:09,105 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 14:24:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:09,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 151 states and 239 transitions. [2018-11-23 14:24:09,133 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 239 transitions. [2018-11-23 14:24:09,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 14:24:09,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 14:24:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 152 states and 240 transitions. [2018-11-23 14:24:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 240 transitions. [2018-11-23 14:24:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 14:24:09,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:24:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 14:24:09,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:24:09,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 71 states and 88 transitions. [2018-11-23 14:24:09,226 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-11-23 14:24:09,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:24:09,226 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-11-23 14:24:09,233 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 14:24:09,448 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 14:24:09,453 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 14:24:09,453 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:24:09,453 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:24:09,453 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:24:09,453 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-23 14:24:09,454 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:24:09,454 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:24:09,454 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:24:09,454 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:24:09,454 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:24:09,454 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:24:09,455 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 14:24:09,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:24:09 ImpRootNode [2018-11-23 14:24:09,455 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 14:24:09,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:24:09,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:24:09,456 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:24:09,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:23:59" (3/4) ... [2018-11-23 14:24:09,462 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:24:09,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 14:24:09,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 14:24:09,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 14:24:09,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 14:24:09,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 14:24:09,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 14:24:09,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 14:24:09,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 14:24:09,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 14:24:09,470 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-11-23 14:24:09,470 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 14:24:09,470 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 14:24:09,471 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 14:24:09,471 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:24:09,471 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:24:09,471 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:24:09,489 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || 0 == systemActive) || \old(pumpRunning) == pumpRunning [2018-11-23 14:24:09,490 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-23 14:24:09,519 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8039da22-66a3-4bb3-ab3e-2b53c5038b6f/bin-2019/ukojak/witness.graphml [2018-11-23 14:24:09,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:24:09,520 INFO L168 Benchmark]: Toolchain (without parser) took 11086.51 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 396.9 MB). Free memory was 957.5 MB in the beginning and 826.5 MB in the end (delta: 131.1 MB). Peak memory consumption was 528.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:09,521 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:24:09,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:09,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:09,522 INFO L168 Benchmark]: Boogie Preprocessor took 25.19 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. [2018-11-23 14:24:09,522 INFO L168 Benchmark]: RCFGBuilder took 625.92 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: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:09,522 INFO L168 Benchmark]: CodeCheck took 9934.92 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 237.5 MB). Free memory was 1.1 GB in the beginning and 837.0 MB in the end (delta: 225.1 MB). Peak memory consumption was 462.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:09,522 INFO L168 Benchmark]: Witness Printer took 63.63 ms. Allocated memory is still 1.4 GB. Free memory was 837.0 MB in the beginning and 826.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:09,524 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 84 locations, 1 error locations. SAFE Result, 9.6s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2019860828 SDtfs, 899351996 SDslu, 374585612 SDs, 0 SdLazy, 1358970956 SolverSat, 1592470276 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14974 GetRequests, 14661 SyntacticMatches, 69 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27002 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1423 NumberOfCodeBlocks, 1423 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1390 ConstructedInterpolants, 0 QuantifiedInterpolants, 131010 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 26 PerfectInterpolantSequences, 395/424 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 643]: 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: 659]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || 0 == systemActive) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(tmp == 0) - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 892]: 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: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && tmp == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.19 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 625.92 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: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. * CodeCheck took 9934.92 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 237.5 MB). Free memory was 1.1 GB in the beginning and 837.0 MB in the end (delta: 225.1 MB). Peak memory consumption was 462.7 MB. Max. memory is 11.5 GB. * Witness Printer took 63.63 ms. Allocated memory is still 1.4 GB. Free memory was 837.0 MB in the beginning and 826.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...