./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:07:44,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:07:44,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:07:44,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:07:44,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:07:44,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:07:44,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:07:44,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:07:44,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:07:44,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:07:44,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:07:44,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:07:44,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:07:44,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:07:44,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:07:44,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:07:44,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:07:44,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:07:44,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:07:44,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:07:44,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:07:44,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:07:44,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:07:44,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:07:44,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:07:44,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:07:44,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:07:44,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:07:44,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:07:44,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:07:44,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:07:44,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:07:44,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:07:44,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:07:44,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:07:44,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:07:44,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:07:44,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:07:44,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:07:44,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:07:44,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:07:44,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 03:07:44,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:07:44,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:07:44,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 03:07:44,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 03:07:44,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:07:44,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:07:44,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:07:44,662 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:07:44,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:07:44,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:07:44,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:07:44,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:07:44,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:07:44,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:07:44,664 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:07:44,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:07:44,664 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:07:44,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:07:44,664 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 03:07:44,665 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 03:07:44,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:07:44,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:07:44,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:07:44,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:07:44,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:07:44,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:07:44,666 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 03:07:44,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:07:44,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:07:44,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f [2019-11-20 03:07:44,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:07:44,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:07:44,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:07:44,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:07:44,843 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:07:44,844 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2019-11-20 03:07:44,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak/data/4475c3d20/39ee1f14c0a64adfba19bdf5af8aa384/FLAGb02cb5e76 [2019-11-20 03:07:45,335 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:07:45,336 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2019-11-20 03:07:45,351 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak/data/4475c3d20/39ee1f14c0a64adfba19bdf5af8aa384/FLAGb02cb5e76 [2019-11-20 03:07:45,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak/data/4475c3d20/39ee1f14c0a64adfba19bdf5af8aa384 [2019-11-20 03:07:45,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:07:45,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:07:45,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:07:45,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:07:45,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:07:45,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:07:45" (1/1) ... [2019-11-20 03:07:45,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc304e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:07:45, skipping insertion in model container [2019-11-20 03:07:45,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:07:45" (1/1) ... [2019-11-20 03:07:45,378 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:07:45,434 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:07:45,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:07:45,821 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:07:45,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:07:45,924 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:07:45,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:07:45 WrapperNode [2019-11-20 03:07:45,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:07:45,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:07:45,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:07:45,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:07:45,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:07:45" (1/1) ... [2019-11-20 03:07:45,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:07:45" (1/1) ... [2019-11-20 03:07:45,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:07:45,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:07:45,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:07:45,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:07:45,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:07:45" (1/1) ... [2019-11-20 03:07:45,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:07:45" (1/1) ... [2019-11-20 03:07:45,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:07:45" (1/1) ... [2019-11-20 03:07:45,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:07:45" (1/1) ... [2019-11-20 03:07:46,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:07:45" (1/1) ... [2019-11-20 03:07:46,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:07:45" (1/1) ... [2019-11-20 03:07:46,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:07:45" (1/1) ... [2019-11-20 03:07:46,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:07:46,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:07:46,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:07:46,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:07:46,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:07:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:07:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:07:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 03:07:46,089 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 03:07:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 03:07:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 03:07:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 03:07:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 03:07:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 03:07:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 03:07:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 03:07:46,092 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 03:07:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-20 03:07:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-20 03:07:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 03:07:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 03:07:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 03:07:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 03:07:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 03:07:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:07:46,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:07:46,972 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:07:46,973 INFO L285 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-20 03:07:46,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:07:46 BoogieIcfgContainer [2019-11-20 03:07:46,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:07:46,975 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 03:07:46,975 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 03:07:46,984 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 03:07:46,984 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:07:46" (1/1) ... [2019-11-20 03:07:46,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:07:47,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-11-20 03:07:47,034 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-20 03:07:47,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 03:07:47,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:47,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:47,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:47,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2019-11-20 03:07:47,345 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2019-11-20 03:07:47,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:07:47,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:47,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2019-11-20 03:07:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2019-11-20 03:07:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 03:07:47,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:47,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2019-11-20 03:07:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2019-11-20 03:07:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 03:07:47,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:48,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 123 transitions. [2019-11-20 03:07:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2019-11-20 03:07:48,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 03:07:48,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:48,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 128 transitions. [2019-11-20 03:07:48,459 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2019-11-20 03:07:48,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 03:07:48,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:48,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:49,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:49,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 160 transitions. [2019-11-20 03:07:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 160 transitions. [2019-11-20 03:07:49,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 03:07:49,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:50,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:50,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 103 states and 178 transitions. [2019-11-20 03:07:50,120 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2019-11-20 03:07:50,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 03:07:50,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:50,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:50,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:50,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 105 states and 179 transitions. [2019-11-20 03:07:50,232 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 179 transitions. [2019-11-20 03:07:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 03:07:50,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:50,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:50,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 107 states and 184 transitions. [2019-11-20 03:07:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 184 transitions. [2019-11-20 03:07:50,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 03:07:50,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:50,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 106 states and 178 transitions. [2019-11-20 03:07:50,634 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 178 transitions. [2019-11-20 03:07:50,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 03:07:50,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:50,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:51,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 113 states and 199 transitions. [2019-11-20 03:07:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 199 transitions. [2019-11-20 03:07:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 03:07:51,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:51,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:51,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 116 states and 206 transitions. [2019-11-20 03:07:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 206 transitions. [2019-11-20 03:07:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 03:07:51,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:51,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:51,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 118 states and 209 transitions. [2019-11-20 03:07:51,587 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 209 transitions. [2019-11-20 03:07:51,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 03:07:51,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:51,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:51,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 123 states and 224 transitions. [2019-11-20 03:07:51,815 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 224 transitions. [2019-11-20 03:07:51,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 03:07:51,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 124 states and 225 transitions. [2019-11-20 03:07:51,889 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 225 transitions. [2019-11-20 03:07:51,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 03:07:51,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:52,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:52,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 126 states and 227 transitions. [2019-11-20 03:07:52,013 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 227 transitions. [2019-11-20 03:07:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 03:07:52,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:52,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 128 states and 229 transitions. [2019-11-20 03:07:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 229 transitions. [2019-11-20 03:07:52,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 03:07:52,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:52,204 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 03:07:53,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:53,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 135 states and 254 transitions. [2019-11-20 03:07:53,470 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 254 transitions. [2019-11-20 03:07:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 03:07:53,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 03:07:53,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:53,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 137 states and 260 transitions. [2019-11-20 03:07:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 260 transitions. [2019-11-20 03:07:53,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 03:07:53,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:53,792 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 03:07:54,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:54,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 137 states and 259 transitions. [2019-11-20 03:07:54,252 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 259 transitions. [2019-11-20 03:07:54,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 03:07:54,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:54,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:54,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 141 states and 270 transitions. [2019-11-20 03:07:54,994 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 270 transitions. [2019-11-20 03:07:54,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 03:07:54,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:55,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 03:07:55,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:55,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 142 states and 272 transitions. [2019-11-20 03:07:55,326 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2019-11-20 03:07:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 03:07:55,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:07:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:58,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 146 states and 281 transitions. [2019-11-20 03:07:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 281 transitions. [2019-11-20 03:07:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 03:07:58,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:58,179 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 03:07:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:58,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 148 states and 284 transitions. [2019-11-20 03:07:58,707 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 284 transitions. [2019-11-20 03:07:58,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 03:07:58,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:58,735 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 03:07:58,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 148 states and 282 transitions. [2019-11-20 03:07:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 282 transitions. [2019-11-20 03:07:58,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 03:07:58,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 03:07:58,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:58,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 134 states and 252 transitions. [2019-11-20 03:07:58,829 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 252 transitions. [2019-11-20 03:07:58,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 03:07:58,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:07:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:07:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 03:07:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:07:59,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 68 states and 96 transitions. [2019-11-20 03:07:59,444 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2019-11-20 03:07:59,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:07:59,445 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2019-11-20 03:07:59,453 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 03:07:59,703 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:07:59,707 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:07:59,707 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:07:59,707 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:07:59,707 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:07:59,707 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-20 03:07:59,712 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:07:59,712 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 03:07:59,713 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:07:59,713 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:07:59,713 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:07:59,713 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:07:59,714 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-20 03:07:59,714 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:07:59,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 03:07:59 ImpRootNode [2019-11-20 03:07:59,715 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 03:07:59,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:07:59,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:07:59,716 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:07:59,716 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:07:46" (3/4) ... [2019-11-20 03:07:59,719 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:07:59,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 03:07:59,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 03:07:59,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 03:07:59,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 03:07:59,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 03:07:59,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 03:07:59,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-20 03:07:59,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-20 03:07:59,733 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2019-11-20 03:07:59,734 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-11-20 03:07:59,734 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 03:07:59,735 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 03:07:59,735 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 03:07:59,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 03:07:59,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && 0 == waterLevel) [2019-11-20 03:07:59,763 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-20 03:07:59,801 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d8829b7e-2ceb-44aa-b551-07ba0c920e73/bin/ukojak/witness.graphml [2019-11-20 03:07:59,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:07:59,803 INFO L168 Benchmark]: Toolchain (without parser) took 14438.78 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 371.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 227.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:07:59,804 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:07:59,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:07:59,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:07:59,805 INFO L168 Benchmark]: Boogie Preprocessor took 53.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:07:59,805 INFO L168 Benchmark]: RCFGBuilder took 937.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:07:59,805 INFO L168 Benchmark]: CodeCheck took 12740.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 231.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -67.2 MB). Peak memory consumption was 164.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:07:59,806 INFO L168 Benchmark]: Witness Printer took 86.32 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:07:59,807 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 57 locations, 1 error locations. Result: SAFE, OverallTime: 12.4s, OverallIterations: 28, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1680551296 SDtfs, 1103199960 SDslu, 2062363832 SDs, 0 SdLazy, -2084080080 SolverSat, 688708800 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9786 GetRequests, 9511 SyntacticMatches, 69 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19825 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 862 NumberOfCodeBlocks, 862 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 835 ConstructedInterpolants, 0 QuantifiedInterpolants, 66347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 21 PerfectInterpolantSequences, 194/220 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: 944]: 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: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && 0 == waterLevel) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: ((1 == tmp && pumpRunning == 0) && tmp == waterLevel) && tmp == systemActive - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 560.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.22 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. * Boogie Preprocessor took 53.75 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 937.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.2 MB). Peak memory consumption was 78.2 MB. Max. memory is 11.5 GB. * CodeCheck took 12740.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 231.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -67.2 MB). Peak memory consumption was 164.0 MB. Max. memory is 11.5 GB. * Witness Printer took 86.32 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...