./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/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 0.1.25-f470102 [2019-12-01 10:17:15,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 10:17:15,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 10:17:15,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 10:17:15,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 10:17:15,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 10:17:15,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 10:17:15,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 10:17:15,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 10:17:15,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 10:17:15,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 10:17:15,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 10:17:15,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 10:17:15,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 10:17:15,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 10:17:15,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 10:17:15,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 10:17:15,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 10:17:15,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 10:17:15,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 10:17:15,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 10:17:15,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 10:17:15,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 10:17:15,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 10:17:15,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 10:17:15,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 10:17:15,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 10:17:15,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 10:17:15,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 10:17:15,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 10:17:15,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 10:17:15,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 10:17:15,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 10:17:15,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 10:17:15,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 10:17:15,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 10:17:15,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 10:17:15,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 10:17:15,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 10:17:15,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 10:17:15,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 10:17:15,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 10:17:15,126 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 10:17:15,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 10:17:15,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 10:17:15,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 10:17:15,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 10:17:15,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 10:17:15,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 10:17:15,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 10:17:15,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 10:17:15,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 10:17:15,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 10:17:15,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 10:17:15,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 10:17:15,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 10:17:15,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 10:17:15,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 10:17:15,130 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 10:17:15,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 10:17:15,131 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 10:17:15,131 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 10:17:15,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 10:17:15,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 10:17:15,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 10:17:15,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 10:17:15,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 10:17:15,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 10:17:15,132 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 10:17:15,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 10:17:15,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 10:17:15,132 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_5ee2f981-f490-49bd-a73a-d0c98f65ed10/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 [2019-12-01 10:17:15,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 10:17:15,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 10:17:15,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 10:17:15,243 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 10:17:15,243 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 10:17:15,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2019-12-01 10:17:15,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/bin/ukojak/data/5c7a730f6/48f36a1d36654ca4b01daaf859e08753/FLAG703a478d3 [2019-12-01 10:17:15,760 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 10:17:15,761 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2019-12-01 10:17:15,770 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/bin/ukojak/data/5c7a730f6/48f36a1d36654ca4b01daaf859e08753/FLAG703a478d3 [2019-12-01 10:17:16,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/bin/ukojak/data/5c7a730f6/48f36a1d36654ca4b01daaf859e08753 [2019-12-01 10:17:16,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 10:17:16,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 10:17:16,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 10:17:16,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 10:17:16,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 10:17:16,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:17:16" (1/1) ... [2019-12-01 10:17:16,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7683e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:17:16, skipping insertion in model container [2019-12-01 10:17:16,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:17:16" (1/1) ... [2019-12-01 10:17:16,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 10:17:16,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 10:17:16,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 10:17:16,517 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 10:17:16,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 10:17:16,588 INFO L208 MainTranslator]: Completed translation [2019-12-01 10:17:16,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:17:16 WrapperNode [2019-12-01 10:17:16,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 10:17:16,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 10:17:16,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 10:17:16,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 10:17:16,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:17:16" (1/1) ... [2019-12-01 10:17:16,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:17:16" (1/1) ... [2019-12-01 10:17:16,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 10:17:16,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 10:17:16,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 10:17:16,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 10:17:16,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:17:16" (1/1) ... [2019-12-01 10:17:16,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:17:16" (1/1) ... [2019-12-01 10:17:16,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:17:16" (1/1) ... [2019-12-01 10:17:16,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:17:16" (1/1) ... [2019-12-01 10:17:16,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:17:16" (1/1) ... [2019-12-01 10:17:16,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:17:16" (1/1) ... [2019-12-01 10:17:16,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:17:16" (1/1) ... [2019-12-01 10:17:16,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 10:17:16,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 10:17:16,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 10:17:16,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 10:17:16,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:17:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/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 [2019-12-01 10:17:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 10:17:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 10:17:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 10:17:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 10:17:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 10:17:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 10:17:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 10:17:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 10:17:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 10:17:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 10:17:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 10:17:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-12-01 10:17:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-12-01 10:17:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-01 10:17:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-01 10:17:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 10:17:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 10:17:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 10:17:16,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 10:17:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 10:17:17,211 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 10:17:17,211 INFO L287 CfgBuilder]: Removed 38 assume(true) statements. [2019-12-01 10:17:17,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:17:17 BoogieIcfgContainer [2019-12-01 10:17:17,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 10:17:17,213 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 10:17:17,213 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 10:17:17,219 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 10:17:17,220 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:17:17" (1/1) ... [2019-12-01 10:17:17,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 10:17:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-12-01 10:17:17,253 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-12-01 10:17:17,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 10:17:17,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:17,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2019-12-01 10:17:17,414 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2019-12-01 10:17:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 10:17:17,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:17,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:17,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2019-12-01 10:17:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2019-12-01 10:17:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 10:17:17,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:17,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2019-12-01 10:17:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2019-12-01 10:17:17,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 10:17:17,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:17,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:18,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:18,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 123 transitions. [2019-12-01 10:17:18,020 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2019-12-01 10:17:18,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 10:17:18,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:18,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:18,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 128 transitions. [2019-12-01 10:17:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2019-12-01 10:17:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 10:17:18,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:18,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:18,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 160 transitions. [2019-12-01 10:17:18,785 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 160 transitions. [2019-12-01 10:17:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 10:17:18,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:18,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:19,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:19,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 104 states and 178 transitions. [2019-12-01 10:17:19,004 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 178 transitions. [2019-12-01 10:17:19,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 10:17:19,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:19,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 106 states and 179 transitions. [2019-12-01 10:17:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 179 transitions. [2019-12-01 10:17:19,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 10:17:19,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:19,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 108 states and 184 transitions. [2019-12-01 10:17:19,268 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2019-12-01 10:17:19,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 10:17:19,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:19,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 106 states and 178 transitions. [2019-12-01 10:17:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 178 transitions. [2019-12-01 10:17:19,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 10:17:19,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:19,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 113 states and 199 transitions. [2019-12-01 10:17:19,757 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 199 transitions. [2019-12-01 10:17:19,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 10:17:19,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:19,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:19,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:19,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 116 states and 206 transitions. [2019-12-01 10:17:19,798 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 206 transitions. [2019-12-01 10:17:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 10:17:19,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:19,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:19,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 118 states and 209 transitions. [2019-12-01 10:17:19,937 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 209 transitions. [2019-12-01 10:17:19,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 10:17:19,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:20,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:20,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 123 states and 224 transitions. [2019-12-01 10:17:20,084 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 224 transitions. [2019-12-01 10:17:20,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 10:17:20,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:20,104 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:20,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 124 states and 225 transitions. [2019-12-01 10:17:20,117 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 225 transitions. [2019-12-01 10:17:20,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 10:17:20,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:20,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:20,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:20,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 126 states and 227 transitions. [2019-12-01 10:17:20,165 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 227 transitions. [2019-12-01 10:17:20,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 10:17:20,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:20,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:20,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:20,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 128 states and 229 transitions. [2019-12-01 10:17:20,210 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 229 transitions. [2019-12-01 10:17:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 10:17:20,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:20,240 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 10:17:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:20,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 135 states and 255 transitions. [2019-12-01 10:17:20,837 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 255 transitions. [2019-12-01 10:17:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 10:17:20,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 10:17:21,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:21,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 137 states and 259 transitions. [2019-12-01 10:17:21,435 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 259 transitions. [2019-12-01 10:17:21,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 10:17:21,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:21,453 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 141 states and 270 transitions. [2019-12-01 10:17:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 270 transitions. [2019-12-01 10:17:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 10:17:21,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:23,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:23,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 146 states and 286 transitions. [2019-12-01 10:17:23,490 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 286 transitions. [2019-12-01 10:17:23,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 10:17:23,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:17:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:23,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 148 states and 289 transitions. [2019-12-01 10:17:23,837 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 289 transitions. [2019-12-01 10:17:23,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 10:17:23,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:23,866 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 10:17:24,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:24,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 151 states and 294 transitions. [2019-12-01 10:17:24,703 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 294 transitions. [2019-12-01 10:17:24,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 10:17:24,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:24,739 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-01 10:17:24,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:24,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 151 states and 292 transitions. [2019-12-01 10:17:24,756 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 292 transitions. [2019-12-01 10:17:24,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 10:17:24,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 10:17:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:24,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 137 states and 262 transitions. [2019-12-01 10:17:24,796 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 262 transitions. [2019-12-01 10:17:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 10:17:24,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:17:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:17:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 10:17:25,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:17:25,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 73 states and 104 transitions. [2019-12-01 10:17:25,208 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2019-12-01 10:17:25,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 10:17:25,208 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2019-12-01 10:17:25,215 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 10:17:25,393 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:17:25,396 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:17:25,397 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:17:25,397 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:17:25,397 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:17:25,397 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-12-01 10:17:25,400 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:17:25,400 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 10:17:25,401 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:17:25,401 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:17:25,401 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:17:25,401 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:17:25,401 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-12-01 10:17:25,402 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:17:25,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:17:25 ImpRootNode [2019-12-01 10:17:25,402 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 10:17:25,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 10:17:25,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 10:17:25,403 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 10:17:25,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:17:17" (3/4) ... [2019-12-01 10:17:25,406 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 10:17:25,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-01 10:17:25,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 10:17:25,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 10:17:25,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 10:17:25,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 10:17:25,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 10:17:25,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-12-01 10:17:25,410 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-12-01 10:17:25,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2019-12-01 10:17:25,416 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-12-01 10:17:25,416 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 10:17:25,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 10:17:25,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 10:17:25,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 10:17:25,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 10:17:25,436 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && 0 == waterLevel)) || !(pumpRunning == 0)) || 0 == systemActive [2019-12-01 10:17:25,437 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-12-01 10:17:25,468 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5ee2f981-f490-49bd-a73a-d0c98f65ed10/bin/ukojak/witness.graphml [2019-12-01 10:17:25,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 10:17:25,469 INFO L168 Benchmark]: Toolchain (without parser) took 9200.41 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 281.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 89.4 MB. Max. memory is 11.5 GB. [2019-12-01 10:17:25,470 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:17:25,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-01 10:17:25,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 10:17:25,471 INFO L168 Benchmark]: Boogie Preprocessor took 22.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:17:25,471 INFO L168 Benchmark]: RCFGBuilder took 563.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. [2019-12-01 10:17:25,471 INFO L168 Benchmark]: CodeCheck took 8189.83 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -115.3 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2019-12-01 10:17:25,472 INFO L168 Benchmark]: Witness Printer took 65.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2019-12-01 10:17:25,474 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: 7.9s, OverallIterations: 27, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1307208448 SDtfs, 553436392 SDslu, 1033019320 SDs, 0 SdLazy, 1109118946 SolverSat, 348027362 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9313 GetRequests, 9017 SyntacticMatches, 82 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21461 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 822 NumberOfCodeBlocks, 822 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 796 ConstructedInterpolants, 0 QuantifiedInterpolants, 64269 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 22 PerfectInterpolantSequences, 192/209 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 == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && 0 == waterLevel)) || !(pumpRunning == 0)) || 0 == systemActive - 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 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 563.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. * CodeCheck took 8189.83 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -115.3 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. * Witness Printer took 65.47 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...