./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91808fa59972e91d32c73c53b248d30b06ddb4c6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:18:00,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:18:00,325 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:18:00,336 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:18:00,337 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:18:00,338 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:18:00,339 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:18:00,342 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:18:00,343 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:18:00,345 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:18:00,346 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:18:00,346 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:18:00,347 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:18:00,349 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:18:00,350 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:18:00,351 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:18:00,351 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:18:00,354 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:18:00,356 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:18:00,358 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:18:00,359 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:18:00,360 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:18:00,363 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:18:00,363 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:18:00,363 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:18:00,365 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:18:00,366 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:18:00,366 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:18:00,367 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:18:00,369 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:18:00,369 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:18:00,370 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:18:00,370 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:18:00,371 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:18:00,372 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:18:00,372 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:18:00,373 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:18:00,387 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:18:00,388 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:18:00,388 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:18:00,389 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:18:00,389 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:18:00,389 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:18:00,390 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:18:00,390 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:18:00,390 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:18:00,390 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:18:00,390 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:18:00,390 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:18:00,391 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:18:00,391 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:18:00,391 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:18:00,391 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:18:00,391 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:18:00,391 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:18:00,392 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:18:00,394 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:18:00,394 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:18:00,394 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:18:00,394 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:18:00,395 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:18:00,395 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:18:00,395 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:18:00,395 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:18:00,395 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:18:00,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:18:00,395 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91808fa59972e91d32c73c53b248d30b06ddb4c6 [2018-11-18 11:18:00,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:18:00,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:18:00,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:18:00,446 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:18:00,447 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:18:00,448 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product29_true-unreach-call_false-termination.cil.c [2018-11-18 11:18:00,507 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak/data/7fb2db861/2fd77a10d6e74760bdd66fff33a08d21/FLAG4e6affdad [2018-11-18 11:18:00,921 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:18:00,922 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/sv-benchmarks/c/product-lines/minepump_spec1_product29_true-unreach-call_false-termination.cil.c [2018-11-18 11:18:00,937 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak/data/7fb2db861/2fd77a10d6e74760bdd66fff33a08d21/FLAG4e6affdad [2018-11-18 11:18:01,263 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak/data/7fb2db861/2fd77a10d6e74760bdd66fff33a08d21 [2018-11-18 11:18:01,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:18:01,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:18:01,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:18:01,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:18:01,273 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:18:01,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:01" (1/1) ... [2018-11-18 11:18:01,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4c7dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:01, skipping insertion in model container [2018-11-18 11:18:01,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:18:01" (1/1) ... [2018-11-18 11:18:01,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:18:01,329 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:18:01,577 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:18:01,587 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:18:01,660 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:18:01,683 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:18:01,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:01 WrapperNode [2018-11-18 11:18:01,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:18:01,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:18:01,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:18:01,685 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:18:01,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:01" (1/1) ... [2018-11-18 11:18:01,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:01" (1/1) ... [2018-11-18 11:18:01,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:18:01,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:18:01,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:18:01,817 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:18:01,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:01" (1/1) ... [2018-11-18 11:18:01,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:01" (1/1) ... [2018-11-18 11:18:01,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:01" (1/1) ... [2018-11-18 11:18:01,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:01" (1/1) ... [2018-11-18 11:18:01,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:01" (1/1) ... [2018-11-18 11:18:01,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:01" (1/1) ... [2018-11-18 11:18:01,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:01" (1/1) ... [2018-11-18 11:18:01,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:18:01,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:18:01,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:18:01,855 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:18:01,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:18:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:18:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:18:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 11:18:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 11:18:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:18:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:18:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:18:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:18:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:18:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:18:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:18:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:18:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:18:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:18:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:18:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:18:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:18:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:18:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:18:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:18:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:18:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:18:03,274 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:18:03,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:03 BoogieIcfgContainer [2018-11-18 11:18:03,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:18:03,276 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:18:03,276 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:18:03,288 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:18:03,289 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:03" (1/1) ... [2018-11-18 11:18:03,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:18:03,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:03,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2018-11-18 11:18:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2018-11-18 11:18:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:18:03,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:03,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:03,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2018-11-18 11:18:03,550 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2018-11-18 11:18:03,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:18:03,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:03,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 70 states and 89 transitions. [2018-11-18 11:18:03,741 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2018-11-18 11:18:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 11:18:03,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:03,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:04,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:04,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 80 states and 108 transitions. [2018-11-18 11:18:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 108 transitions. [2018-11-18 11:18:04,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 11:18:04,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:04,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:04,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 81 states and 109 transitions. [2018-11-18 11:18:04,195 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2018-11-18 11:18:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 11:18:04,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:04,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:04,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:04,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 82 states and 110 transitions. [2018-11-18 11:18:04,286 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2018-11-18 11:18:04,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:18:04,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:04,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 101 states and 148 transitions. [2018-11-18 11:18:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 148 transitions. [2018-11-18 11:18:05,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:18:05,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:05,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:05,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 103 states and 151 transitions. [2018-11-18 11:18:05,396 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2018-11-18 11:18:05,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 11:18:05,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:18:05,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:05,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 101 states and 147 transitions. [2018-11-18 11:18:05,479 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2018-11-18 11:18:05,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 11:18:05,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:05,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:18:05,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 148 transitions. [2018-11-18 11:18:05,598 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 148 transitions. [2018-11-18 11:18:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 11:18:05,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:05,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:18:05,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:05,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 103 states and 149 transitions. [2018-11-18 11:18:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2018-11-18 11:18:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:18:05,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:18:07,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:07,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 110 states and 161 transitions. [2018-11-18 11:18:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2018-11-18 11:18:07,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:18:07,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:18:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:07,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 108 states and 157 transitions. [2018-11-18 11:18:07,192 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2018-11-18 11:18:07,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:18:07,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:18:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:07,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 106 states and 153 transitions. [2018-11-18 11:18:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 153 transitions. [2018-11-18 11:18:07,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:18:07,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:18:08,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:08,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 187 transitions. [2018-11-18 11:18:08,198 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 187 transitions. [2018-11-18 11:18:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:18:08,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:18:08,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:08,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 124 states and 188 transitions. [2018-11-18 11:18:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 188 transitions. [2018-11-18 11:18:08,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 11:18:08,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:08,318 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:18:08,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:08,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 125 states and 189 transitions. [2018-11-18 11:18:08,369 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 189 transitions. [2018-11-18 11:18:08,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 11:18:08,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:08,489 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 11:18:09,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:09,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 144 states and 239 transitions. [2018-11-18 11:18:09,605 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 239 transitions. [2018-11-18 11:18:09,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 11:18:09,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 11:18:09,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 145 states and 239 transitions. [2018-11-18 11:18:09,853 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 239 transitions. [2018-11-18 11:18:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 11:18:09,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 11:18:10,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:10,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 146 states and 240 transitions. [2018-11-18 11:18:10,070 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 240 transitions. [2018-11-18 11:18:10,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 11:18:10,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 11:18:10,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:10,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 147 states and 241 transitions. [2018-11-18 11:18:10,229 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 241 transitions. [2018-11-18 11:18:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 11:18:10,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:10,264 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:18:10,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:10,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 248 transitions. [2018-11-18 11:18:10,428 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 248 transitions. [2018-11-18 11:18:10,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 11:18:10,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:18:10,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:10,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 141 states and 230 transitions. [2018-11-18 11:18:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 230 transitions. [2018-11-18 11:18:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 11:18:10,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:10,664 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:18:10,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 139 states and 226 transitions. [2018-11-18 11:18:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 226 transitions. [2018-11-18 11:18:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 11:18:10,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:18:10,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:10,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 137 states and 221 transitions. [2018-11-18 11:18:10,858 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 221 transitions. [2018-11-18 11:18:10,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 11:18:10,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:18:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:18:11,021 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 11:18:11,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:18:11,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 63 states and 78 transitions. [2018-11-18 11:18:11,293 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2018-11-18 11:18:11,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:18:11,294 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2018-11-18 11:18:11,306 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:18:11,607 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 11:18:11,613 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-18 11:18:11,614 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:18:11,614 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:18:11,614 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:18:11,614 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:18:11,614 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 11:18:11,615 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:18:11,615 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:18:11,615 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:18:11,615 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:18:11,615 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:18:11,615 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:18:11,615 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:18:11,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:18:11 ImpRootNode [2018-11-18 11:18:11,616 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:18:11,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:18:11,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:18:11,617 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:18:11,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:18:03" (3/4) ... [2018-11-18 11:18:11,621 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:18:11,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:18:11,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 11:18:11,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:18:11,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:18:11,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:18:11,626 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:18:11,627 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:18:11,627 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 11:18:11,627 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:18:11,633 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2018-11-18 11:18:11,633 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:18:11,634 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:18:11,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || 0 == systemActive [2018-11-18 11:18:11,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-18 11:18:11,710 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_df957152-77d3-45c3-9bcb-4838999ad9eb/bin-2019/ukojak/witness.graphml [2018-11-18 11:18:11,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:18:11,711 INFO L168 Benchmark]: Toolchain (without parser) took 10444.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 277.9 MB). Free memory was 955.7 MB in the beginning and 991.7 MB in the end (delta: -35.9 MB). Peak memory consumption was 242.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:11,713 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:18:11,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.97 ms. Allocated memory is still 1.0 GB. Free memory was 955.7 MB in the beginning and 931.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:11,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 931.5 MB in the beginning and 1.2 GB in the end (delta: -248.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:11,714 INFO L168 Benchmark]: Boogie Preprocessor took 37.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:11,714 INFO L168 Benchmark]: RCFGBuilder took 1420.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:11,714 INFO L168 Benchmark]: CodeCheck took 8340.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.3 MB). Free memory was 1.1 GB in the beginning and 998.0 MB in the end (delta: 89.7 MB). Peak memory consumption was 182.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:11,715 INFO L168 Benchmark]: Witness Printer took 93.91 ms. Allocated memory is still 1.3 GB. Free memory was 998.0 MB in the beginning and 991.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:18:11,716 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 93 locations, 1 error locations. SAFE Result, 7.9s OverallTime, 26 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 762217880 SDtfs, 285751644 SDslu, 423820456 SDs, 0 SdLazy, 317527070 SolverSat, 87867574 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10207 GetRequests, 10040 SyntacticMatches, 79 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3701 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1209 NumberOfCodeBlocks, 1209 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1184 ConstructedInterpolants, 0 QuantifiedInterpolants, 128300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 427/454 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 934]: 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: 398]: Loop Invariant Derived loop invariant: 0 == pumpRunning && systemActive == 1 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 448]: 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 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 414.97 ms. Allocated memory is still 1.0 GB. Free memory was 955.7 MB in the beginning and 931.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 132.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 931.5 MB in the beginning and 1.2 GB in the end (delta: -248.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1420.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. * CodeCheck took 8340.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.3 MB). Free memory was 1.1 GB in the beginning and 998.0 MB in the end (delta: 89.7 MB). Peak memory consumption was 182.0 MB. Max. memory is 11.5 GB. * Witness Printer took 93.91 ms. Allocated memory is still 1.3 GB. Free memory was 998.0 MB in the beginning and 991.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...