./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/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 28a54042f1f5566756557cd1279c2453038441ec ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:19:09,305 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:19:09,306 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:19:09,313 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:19:09,313 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:19:09,314 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:19:09,314 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:19:09,315 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:19:09,316 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:19:09,317 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:19:09,318 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:19:09,318 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:19:09,318 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:19:09,319 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:19:09,320 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:19:09,320 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:19:09,320 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:19:09,321 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:19:09,322 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:19:09,323 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:19:09,323 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:19:09,324 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:19:09,325 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:19:09,325 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:19:09,325 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:19:09,326 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:19:09,326 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:19:09,327 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:19:09,327 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:19:09,328 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:19:09,328 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:19:09,328 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:19:09,329 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:19:09,329 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:19:09,329 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:19:09,330 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:19:09,330 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:19:09,339 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:19:09,339 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:19:09,340 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:19:09,340 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:19:09,341 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:19:09,341 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:19:09,341 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:19:09,341 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:19:09,341 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:19:09,341 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:19:09,342 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:19:09,342 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:19:09,342 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:19:09,342 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:19:09,342 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:19:09,342 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:19:09,342 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:19:09,343 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:19:09,343 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:19:09,343 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:19:09,343 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:19:09,343 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:19:09,343 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:19:09,343 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:19:09,344 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:19:09,344 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:19:09,344 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:19:09,344 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:19:09,344 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_c3610fdf-2059-4b1a-a0fd-f65b24898062/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 -> 28a54042f1f5566756557cd1279c2453038441ec [2018-11-10 05:19:09,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:19:09,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:19:09,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:19:09,379 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:19:09,379 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:19:09,379 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-11-10 05:19:09,415 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/bin-2019/ukojak/data/ac21039f1/549f2699576941c48fd01097ba17d0d1/FLAG6380b400e [2018-11-10 05:19:09,758 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:19:09,759 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-11-10 05:19:09,769 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/bin-2019/ukojak/data/ac21039f1/549f2699576941c48fd01097ba17d0d1/FLAG6380b400e [2018-11-10 05:19:09,781 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/bin-2019/ukojak/data/ac21039f1/549f2699576941c48fd01097ba17d0d1 [2018-11-10 05:19:09,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:19:09,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:19:09,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:19:09,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:19:09,788 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:19:09,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:19:09" (1/1) ... [2018-11-10 05:19:09,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b218cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:09, skipping insertion in model container [2018-11-10 05:19:09,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:19:09" (1/1) ... [2018-11-10 05:19:09,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:19:09,827 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:19:10,017 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:19:10,025 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:19:10,082 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:19:10,104 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:19:10,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:10 WrapperNode [2018-11-10 05:19:10,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:19:10,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:19:10,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:19:10,105 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:19:10,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:10" (1/1) ... [2018-11-10 05:19:10,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:10" (1/1) ... [2018-11-10 05:19:10,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:19:10,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:19:10,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:19:10,209 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:19:10,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:10" (1/1) ... [2018-11-10 05:19:10,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:10" (1/1) ... [2018-11-10 05:19:10,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:10" (1/1) ... [2018-11-10 05:19:10,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:10" (1/1) ... [2018-11-10 05:19:10,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:10" (1/1) ... [2018-11-10 05:19:10,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:10" (1/1) ... [2018-11-10 05:19:10,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:10" (1/1) ... [2018-11-10 05:19:10,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:19:10,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:19:10,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:19:10,233 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:19:10,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/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 [2018-11-10 05:19:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 05:19:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 05:19:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 05:19:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 05:19:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 05:19:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 05:19:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 05:19:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 05:19:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 05:19:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 05:19:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 05:19:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 05:19:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 05:19:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:19:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:19:11,312 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:19:11,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:19:11 BoogieIcfgContainer [2018-11-10 05:19:11,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:19:11,313 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:19:11,313 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:19:11,320 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:19:11,320 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:19:11" (1/1) ... [2018-11-10 05:19:11,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:19:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-11-10 05:19:11,359 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-10 05:19:11,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:19:11,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:11,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-11-10 05:19:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-11-10 05:19:11,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 05:19:11,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:11,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-11-10 05:19:11,618 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-11-10 05:19:11,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 05:19:11,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:11,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2018-11-10 05:19:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2018-11-10 05:19:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 05:19:11,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:11,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 74 states and 107 transitions. [2018-11-10 05:19:12,114 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2018-11-10 05:19:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 05:19:12,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:12,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:12,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:12,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2018-11-10 05:19:12,611 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2018-11-10 05:19:12,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 05:19:12,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:12,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:12,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 98 states and 158 transitions. [2018-11-10 05:19:12,754 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 158 transitions. [2018-11-10 05:19:12,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 05:19:12,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:13,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:13,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 176 transitions. [2018-11-10 05:19:13,123 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 176 transitions. [2018-11-10 05:19:13,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 05:19:13,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:13,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 183 transitions. [2018-11-10 05:19:13,317 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 183 transitions. [2018-11-10 05:19:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 05:19:13,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:13,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:19:13,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:13,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 113 states and 184 transitions. [2018-11-10 05:19:13,351 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 184 transitions. [2018-11-10 05:19:13,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 05:19:13,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:13,378 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:19:13,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:13,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 120 states and 195 transitions. [2018-11-10 05:19:13,688 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 195 transitions. [2018-11-10 05:19:13,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 05:19:13,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 05:19:14,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:14,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 123 states and 202 transitions. [2018-11-10 05:19:14,278 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 202 transitions. [2018-11-10 05:19:14,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 05:19:14,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:14,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:19:14,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:14,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 129 states and 209 transitions. [2018-11-10 05:19:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 209 transitions. [2018-11-10 05:19:14,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 05:19:14,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:19:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:14,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 136 states and 224 transitions. [2018-11-10 05:19:14,980 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 224 transitions. [2018-11-10 05:19:14,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 05:19:14,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:15,000 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:19:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 134 states and 220 transitions. [2018-11-10 05:19:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 220 transitions. [2018-11-10 05:19:15,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 05:19:15,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:15,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:19:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 136 states and 225 transitions. [2018-11-10 05:19:15,198 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 225 transitions. [2018-11-10 05:19:15,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 05:19:15,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:15,220 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:19:15,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 140 states and 231 transitions. [2018-11-10 05:19:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 231 transitions. [2018-11-10 05:19:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 05:19:15,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:15,405 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:19:15,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:15,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 141 states and 233 transitions. [2018-11-10 05:19:15,556 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 233 transitions. [2018-11-10 05:19:15,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 05:19:15,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 05:19:16,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:16,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 148 states and 251 transitions. [2018-11-10 05:19:16,581 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 251 transitions. [2018-11-10 05:19:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 05:19:16,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 05:19:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 152 states and 257 transitions. [2018-11-10 05:19:16,812 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 257 transitions. [2018-11-10 05:19:16,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 05:19:16,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:16,837 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 05:19:17,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 164 states and 273 transitions. [2018-11-10 05:19:17,720 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 273 transitions. [2018-11-10 05:19:17,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 05:19:17,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:17,814 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:19:18,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 169 states and 278 transitions. [2018-11-10 05:19:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 278 transitions. [2018-11-10 05:19:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 05:19:18,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:19:18,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:18,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 170 states and 279 transitions. [2018-11-10 05:19:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 279 transitions. [2018-11-10 05:19:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 05:19:18,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:19:18,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:18,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 171 states and 280 transitions. [2018-11-10 05:19:18,310 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 280 transitions. [2018-11-10 05:19:18,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 05:19:18,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:18,329 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 05:19:18,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:18,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 175 states and 288 transitions. [2018-11-10 05:19:18,643 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 288 transitions. [2018-11-10 05:19:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 05:19:18,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:18,665 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 05:19:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 179 states and 292 transitions. [2018-11-10 05:19:19,023 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 292 transitions. [2018-11-10 05:19:19,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 05:19:19,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:19,044 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 05:19:19,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:19,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 125 states and 179 transitions. [2018-11-10 05:19:19,061 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 179 transitions. [2018-11-10 05:19:19,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 05:19:19,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:19,077 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 05:19:19,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:19,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 127 states and 182 transitions. [2018-11-10 05:19:19,096 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 182 transitions. [2018-11-10 05:19:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 05:19:19,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:19,112 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:19:19,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 128 states and 183 transitions. [2018-11-10 05:19:19,142 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 183 transitions. [2018-11-10 05:19:19,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 05:19:19,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:19:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:19:19,160 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 05:19:19,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:19:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 57 states and 69 transitions. [2018-11-10 05:19:19,181 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2018-11-10 05:19:19,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:19:19,181 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2018-11-10 05:19:19,188 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:19:19,364 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:19:19,366 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:19:19,367 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-11-10 05:19:19,370 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:19:19,370 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:19:19,370 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:19:19,370 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 05:19:19,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:19:19,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:19:19,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:19:19,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:19:19,371 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 05:19:19,372 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:19:19,372 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:19:19,372 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 05:19:19,373 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:19:19,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:19:19 ImpRootNode [2018-11-10 05:19:19,373 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:19:19,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:19:19,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:19:19,375 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:19:19,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:19:11" (3/4) ... [2018-11-10 05:19:19,378 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:19:19,382 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 05:19:19,382 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 05:19:19,382 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 05:19:19,383 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 05:19:19,383 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 05:19:19,383 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 05:19:19,389 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2018-11-10 05:19:19,390 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-10 05:19:19,390 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 05:19:19,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(0 == pumpRunning) [2018-11-10 05:19:19,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-11-10 05:19:19,444 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c3610fdf-2059-4b1a-a0fd-f65b24898062/bin-2019/ukojak/witness.graphml [2018-11-10 05:19:19,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:19:19,445 INFO L168 Benchmark]: Toolchain (without parser) took 9660.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 275.3 MB). Free memory was 963.0 MB in the beginning and 839.1 MB in the end (delta: 123.9 MB). Peak memory consumption was 399.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:19:19,445 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-10 05:19:19,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.76 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:19:19,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:19:19,446 INFO L168 Benchmark]: Boogie Preprocessor took 24.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:19:19,446 INFO L168 Benchmark]: RCFGBuilder took 1079.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.5 MB). Peak memory consumption was 110.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:19:19,447 INFO L168 Benchmark]: CodeCheck took 8060.29 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 157.3 MB). Free memory was 1.0 GB in the beginning and 848.0 MB in the end (delta: 153.5 MB). Peak memory consumption was 310.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:19:19,447 INFO L168 Benchmark]: Witness Printer took 70.54 ms. Allocated memory is still 1.3 GB. Free memory was 848.0 MB in the beginning and 839.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:19:19,450 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, 113 locations, 1 error locations. SAFE Result, 7.8s OverallTime, 30 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1508206268 SDtfs, 1308155340 SDslu, 1111888412 SDs, 0 SdLazy, 1145016140 SolverSat, -1421295068 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11942 GetRequests, 11646 SyntacticMatches, 76 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19855 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1235 NumberOfCodeBlocks, 1235 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 1206 ConstructedInterpolants, 0 QuantifiedInterpolants, 113171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 22 PerfectInterpolantSequences, 451/486 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: 919]: 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: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (!(0 == systemActive) || !(tmp == 0)) || methaneLevelCritical == tmp - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(0 == pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && tmp == systemActive) && tmp == 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.76 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1079.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.5 MB). Peak memory consumption was 110.5 MB. Max. memory is 11.5 GB. * CodeCheck took 8060.29 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 157.3 MB). Free memory was 1.0 GB in the beginning and 848.0 MB in the end (delta: 153.5 MB). Peak memory consumption was 310.8 MB. Max. memory is 11.5 GB. * Witness Printer took 70.54 ms. Allocated memory is still 1.3 GB. Free memory was 848.0 MB in the beginning and 839.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...