./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_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_49609967-186b-4b3d-b09e-2606f1ccac47/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_49609967-186b-4b3d-b09e-2606f1ccac47/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_49609967-186b-4b3d-b09e-2606f1ccac47/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_49609967-186b-4b3d-b09e-2606f1ccac47/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_49609967-186b-4b3d-b09e-2606f1ccac47/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_49609967-186b-4b3d-b09e-2606f1ccac47/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 2e3a30f3e039239baba08dd6989ee3f84e0fd49b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:05:49,349 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:05:49,350 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:05:49,356 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:05:49,356 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:05:49,357 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:05:49,357 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:05:49,359 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:05:49,360 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:05:49,360 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:05:49,361 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:05:49,361 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:05:49,361 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:05:49,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:05:49,363 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:05:49,363 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:05:49,364 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:05:49,365 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:05:49,366 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:05:49,367 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:05:49,368 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:05:49,369 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:05:49,370 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:05:49,371 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:05:49,371 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:05:49,371 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:05:49,372 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:05:49,373 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:05:49,373 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:05:49,374 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:05:49,374 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:05:49,374 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:05:49,375 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:05:49,375 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:05:49,375 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:05:49,375 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:05:49,376 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_49609967-186b-4b3d-b09e-2606f1ccac47/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:05:49,383 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:05:49,383 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:05:49,384 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:05:49,384 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:05:49,384 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:05:49,384 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:05:49,384 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:05:49,385 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:05:49,385 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:05:49,385 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:05:49,385 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:05:49,385 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:05:49,385 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:05:49,385 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:05:49,386 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:05:49,386 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:05:49,386 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:05:49,386 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:05:49,386 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:05:49,386 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:05:49,386 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:05:49,387 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:05:49,387 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:05:49,387 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:05:49,387 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:05:49,387 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:05:49,387 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:05:49,387 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:05:49,388 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:05:49,388 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_49609967-186b-4b3d-b09e-2606f1ccac47/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 -> 2e3a30f3e039239baba08dd6989ee3f84e0fd49b [2018-11-18 10:05:49,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:05:49,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:05:49,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:05:49,424 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:05:49,424 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:05:49,424 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_49609967-186b-4b3d-b09e-2606f1ccac47/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-18 10:05:49,468 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_49609967-186b-4b3d-b09e-2606f1ccac47/bin-2019/ukojak/data/71d2fcbb8/9fffd03d6118416c8446fa13eda0d593/FLAG81507cbb7 [2018-11-18 10:05:49,900 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:05:49,900 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_49609967-186b-4b3d-b09e-2606f1ccac47/sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-18 10:05:49,906 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_49609967-186b-4b3d-b09e-2606f1ccac47/bin-2019/ukojak/data/71d2fcbb8/9fffd03d6118416c8446fa13eda0d593/FLAG81507cbb7 [2018-11-18 10:05:49,916 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_49609967-186b-4b3d-b09e-2606f1ccac47/bin-2019/ukojak/data/71d2fcbb8/9fffd03d6118416c8446fa13eda0d593 [2018-11-18 10:05:49,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:05:49,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:05:49,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:05:49,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:05:49,923 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:05:49,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:05:49" (1/1) ... [2018-11-18 10:05:49,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be92882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:49, skipping insertion in model container [2018-11-18 10:05:49,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:05:49" (1/1) ... [2018-11-18 10:05:49,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:05:49,966 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:05:50,144 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:05:50,152 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:05:50,240 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:05:50,260 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:05:50,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:50 WrapperNode [2018-11-18 10:05:50,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:05:50,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:05:50,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:05:50,261 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:05:50,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:50" (1/1) ... [2018-11-18 10:05:50,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:50" (1/1) ... [2018-11-18 10:05:50,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:05:50,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:05:50,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:05:50,292 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:05:50,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:50" (1/1) ... [2018-11-18 10:05:50,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:50" (1/1) ... [2018-11-18 10:05:50,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:50" (1/1) ... [2018-11-18 10:05:50,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:50" (1/1) ... [2018-11-18 10:05:50,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:50" (1/1) ... [2018-11-18 10:05:50,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:50" (1/1) ... [2018-11-18 10:05:50,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:50" (1/1) ... [2018-11-18 10:05:50,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:05:50,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:05:50,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:05:50,309 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:05:50,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49609967-186b-4b3d-b09e-2606f1ccac47/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 10:05:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:05:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:05:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:05:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:05:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:05:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 10:05:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 10:05:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:05:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:05:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:05:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:05:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:05:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:05:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:05:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:05:50,940 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:05:50,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:05:50 BoogieIcfgContainer [2018-11-18 10:05:50,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:05:50,941 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:05:50,941 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:05:50,948 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:05:50,948 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:05:50" (1/1) ... [2018-11-18 10:05:50,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-11-18 10:05:50,980 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-11-18 10:05:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:05:50,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:51,125 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 10:05:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2018-11-18 10:05:51,136 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2018-11-18 10:05:51,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 10:05:51,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:51,211 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 10:05:51,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:51,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2018-11-18 10:05:51,235 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2018-11-18 10:05:51,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 10:05:51,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:51,332 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 10:05:51,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:51,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 65 states and 88 transitions. [2018-11-18 10:05:51,459 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2018-11-18 10:05:51,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:05:51,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:51,545 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 10:05:51,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 80 states and 118 transitions. [2018-11-18 10:05:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2018-11-18 10:05:51,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:05:51,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:51,934 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 10:05:51,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:51,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 81 states and 119 transitions. [2018-11-18 10:05:51,960 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 119 transitions. [2018-11-18 10:05:51,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 10:05:51,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:51,990 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 10:05:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:52,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 90 states and 136 transitions. [2018-11-18 10:05:52,033 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2018-11-18 10:05:52,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:05:52,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:52,064 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 10:05:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 91 states and 137 transitions. [2018-11-18 10:05:52,083 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 137 transitions. [2018-11-18 10:05:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:05:52,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:52,131 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 10:05:52,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:52,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 102 states and 159 transitions. [2018-11-18 10:05:52,503 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 159 transitions. [2018-11-18 10:05:52,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:05:52,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:52,534 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 10:05:52,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:52,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 160 transitions. [2018-11-18 10:05:52,545 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2018-11-18 10:05:52,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:05:52,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:52,635 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 10:05:53,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:53,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 115 states and 181 transitions. [2018-11-18 10:05:53,130 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 181 transitions. [2018-11-18 10:05:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 10:05:53,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:53,189 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 10:05:53,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:53,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 122 states and 197 transitions. [2018-11-18 10:05:53,384 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 197 transitions. [2018-11-18 10:05:53,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 10:05:53,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:53,406 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 10:05:53,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 120 states and 193 transitions. [2018-11-18 10:05:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 193 transitions. [2018-11-18 10:05:53,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 10:05:53,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 10:05:53,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:53,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 199 transitions. [2018-11-18 10:05:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 199 transitions. [2018-11-18 10:05:53,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 10:05:53,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:53,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:05:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:54,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 204 transitions. [2018-11-18 10:05:54,096 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 204 transitions. [2018-11-18 10:05:54,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 10:05:54,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:54,126 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:05:54,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:54,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 129 states and 208 transitions. [2018-11-18 10:05:54,278 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 208 transitions. [2018-11-18 10:05:54,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 10:05:54,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:54,365 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 10:05:54,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:54,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 139 states and 222 transitions. [2018-11-18 10:05:54,800 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 222 transitions. [2018-11-18 10:05:54,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 10:05:54,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:54,862 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:05:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:55,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 236 transitions. [2018-11-18 10:05:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 236 transitions. [2018-11-18 10:05:55,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 10:05:55,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:05:55,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:55,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 129 states and 194 transitions. [2018-11-18 10:05:55,507 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 194 transitions. [2018-11-18 10:05:55,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 10:05:55,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 10:05:56,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:56,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 136 states and 208 transitions. [2018-11-18 10:05:56,283 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 208 transitions. [2018-11-18 10:05:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 10:05:56,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 10:05:56,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 139 states and 211 transitions. [2018-11-18 10:05:56,453 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 211 transitions. [2018-11-18 10:05:56,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 10:05:56,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:56,475 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 10:05:57,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:57,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 153 states and 235 transitions. [2018-11-18 10:05:57,337 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 235 transitions. [2018-11-18 10:05:57,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 10:05:57,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 10:05:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:57,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 156 states and 238 transitions. [2018-11-18 10:05:57,514 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 238 transitions. [2018-11-18 10:05:57,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 10:05:57,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 10:05:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 132 states and 190 transitions. [2018-11-18 10:05:57,550 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2018-11-18 10:05:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 10:05:57,550 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:57,572 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 10:05:57,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 134 states and 193 transitions. [2018-11-18 10:05:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 193 transitions. [2018-11-18 10:05:57,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 10:05:57,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:05:57,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 135 states and 194 transitions. [2018-11-18 10:05:57,645 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 194 transitions. [2018-11-18 10:05:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 10:05:57,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:05:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:57,664 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 10:05:57,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:05:57,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 59 states and 71 transitions. [2018-11-18 10:05:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2018-11-18 10:05:57,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:05:57,695 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2018-11-18 10:05:57,702 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:05:57,903 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:57,905 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:57,905 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 10:05:57,908 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:57,908 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 10:05:57,909 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:57,909 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:57,909 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:57,909 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:57,909 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 10:05:57,909 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:57,910 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:57,910 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:57,910 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:57,910 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:57,910 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:05:57,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:05:57 ImpRootNode [2018-11-18 10:05:57,910 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:05:57,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:05:57,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:05:57,911 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:05:57,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:05:50" (3/4) ... [2018-11-18 10:05:57,914 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:05:57,917 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:05:57,917 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:05:57,917 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 10:05:57,918 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:05:57,918 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:05:57,918 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:05:57,921 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2018-11-18 10:05:57,921 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:05:57,922 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:05:57,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || systemActive == 0 [2018-11-18 10:05:57,972 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_49609967-186b-4b3d-b09e-2606f1ccac47/bin-2019/ukojak/witness.graphml [2018-11-18 10:05:57,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:05:57,972 INFO L168 Benchmark]: Toolchain (without parser) took 8053.58 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.8 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -257.7 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:57,973 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:05:57,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:57,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:05:57,974 INFO L168 Benchmark]: Boogie Preprocessor took 17.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:57,974 INFO L168 Benchmark]: RCFGBuilder took 632.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:57,975 INFO L168 Benchmark]: CodeCheck took 6969.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 146.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -173.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:05:57,975 INFO L168 Benchmark]: Witness Printer took 61.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:57,976 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 7 procedures, 75 locations, 1 error locations. SAFE Result, 6.7s OverallTime, 27 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1508470308 SDtfs, 643751532 SDslu, 1139459292 SDs, 0 SdLazy, 1042568444 SolverSat, 350588756 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10224 GetRequests, 9956 SyntacticMatches, 76 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15498 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1094 NumberOfCodeBlocks, 1094 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1068 ConstructedInterpolants, 0 QuantifiedInterpolants, 98988 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 367/383 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: 578]: 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: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || pumpRunning == \old(pumpRunning)) || systemActive == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && tmp == 1) && 0 == pumpRunning - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 632.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. * CodeCheck took 6969.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 146.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -173.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 61.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...