./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25_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_53e8a7cc-bd08-422c-8402-825c32bf8e0b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_53e8a7cc-bd08-422c-8402-825c32bf8e0b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_53e8a7cc-bd08-422c-8402-825c32bf8e0b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_53e8a7cc-bd08-422c-8402-825c32bf8e0b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_53e8a7cc-bd08-422c-8402-825c32bf8e0b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_53e8a7cc-bd08-422c-8402-825c32bf8e0b/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 920725b4778fe7902e2cc2a93ab39c30358d9d16 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:52:16,183 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:52:16,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:52:16,195 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:52:16,196 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:52:16,197 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:52:16,198 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:52:16,199 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:52:16,200 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:52:16,204 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:52:16,206 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:52:16,207 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:52:16,208 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:52:16,210 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:52:16,217 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:52:16,218 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:52:16,218 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:52:16,220 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:52:16,221 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:52:16,222 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:52:16,223 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:52:16,223 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:52:16,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:52:16,225 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:52:16,226 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:52:16,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:52:16,227 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:52:16,227 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:52:16,228 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:52:16,228 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:52:16,229 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:52:16,230 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:52:16,230 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:52:16,230 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:52:16,231 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:52:16,231 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:52:16,231 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_53e8a7cc-bd08-422c-8402-825c32bf8e0b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:52:16,243 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:52:16,243 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:52:16,243 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:52:16,244 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:52:16,244 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:52:16,244 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:52:16,244 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:52:16,245 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:52:16,245 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:52:16,245 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:52:16,246 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:52:16,246 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:52:16,246 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:52:16,246 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:52:16,246 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:52:16,246 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:52:16,246 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:52:16,247 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:52:16,247 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:52:16,247 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:52:16,247 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:52:16,247 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:52:16,247 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:52:16,247 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:52:16,248 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:52:16,248 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:52:16,248 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:52:16,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:52:16,248 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_53e8a7cc-bd08-422c-8402-825c32bf8e0b/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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2018-10-26 23:52:16,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:52:16,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:52:16,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:52:16,289 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:52:16,290 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:52:16,290 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_53e8a7cc-bd08-422c-8402-825c32bf8e0b/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-10-26 23:52:16,338 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53e8a7cc-bd08-422c-8402-825c32bf8e0b/bin-2019/ukojak/data/f386f0dc7/870ed5ad03754686ba9459ef1d36c844/FLAGef8348dd8 [2018-10-26 23:52:16,745 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:52:16,746 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_53e8a7cc-bd08-422c-8402-825c32bf8e0b/sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-10-26 23:52:16,756 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53e8a7cc-bd08-422c-8402-825c32bf8e0b/bin-2019/ukojak/data/f386f0dc7/870ed5ad03754686ba9459ef1d36c844/FLAGef8348dd8 [2018-10-26 23:52:16,773 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_53e8a7cc-bd08-422c-8402-825c32bf8e0b/bin-2019/ukojak/data/f386f0dc7/870ed5ad03754686ba9459ef1d36c844 [2018-10-26 23:52:16,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:52:16,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:52:16,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:52:16,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:52:16,782 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:52:16,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:52:16" (1/1) ... [2018-10-26 23:52:16,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@893e0a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:52:16, skipping insertion in model container [2018-10-26 23:52:16,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:52:16" (1/1) ... [2018-10-26 23:52:16,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:52:16,852 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:52:17,088 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:52:17,099 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:52:17,186 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:52:17,208 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:52:17,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:52:17 WrapperNode [2018-10-26 23:52:17,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:52:17,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:52:17,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:52:17,210 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:52:17,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:52:17" (1/1) ... [2018-10-26 23:52:17,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:52:17" (1/1) ... [2018-10-26 23:52:17,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:52:17,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:52:17,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:52:17,332 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:52:17,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:52:17" (1/1) ... [2018-10-26 23:52:17,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:52:17" (1/1) ... [2018-10-26 23:52:17,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:52:17" (1/1) ... [2018-10-26 23:52:17,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:52:17" (1/1) ... [2018-10-26 23:52:17,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:52:17" (1/1) ... [2018-10-26 23:52:17,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:52:17" (1/1) ... [2018-10-26 23:52:17,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:52:17" (1/1) ... [2018-10-26 23:52:17,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:52:17,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:52:17,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:52:17,356 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:52:17,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:52:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53e8a7cc-bd08-422c-8402-825c32bf8e0b/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 [2018-10-26 23:52:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:52:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 23:52:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 23:52:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 23:52:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 23:52:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 23:52:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 23:52:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 23:52:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 23:52:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 23:52:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 23:52:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 23:52:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 23:52:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:52:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:52:19,518 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:52:19,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:52:19 BoogieIcfgContainer [2018-10-26 23:52:19,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:52:19,519 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:52:19,519 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:52:19,531 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:52:19,531 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:52:19" (1/1) ... [2018-10-26 23:52:19,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:52:19,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-10-26 23:52:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-10-26 23:52:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:52:19,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:52:19,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:19,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-10-26 23:52:19,843 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-10-26 23:52:19,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:52:19,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:19,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:52:20,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-10-26 23:52:20,134 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-10-26 23:52:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:52:20,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:52:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:20,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2018-10-26 23:52:20,685 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2018-10-26 23:52:20,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 23:52:20,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:20,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:52:20,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:20,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2018-10-26 23:52:20,781 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2018-10-26 23:52:20,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 23:52:20,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:20,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:52:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2018-10-26 23:52:21,215 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2018-10-26 23:52:21,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 23:52:21,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:52:21,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:21,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 92 states and 142 transitions. [2018-10-26 23:52:21,926 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 142 transitions. [2018-10-26 23:52:21,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 23:52:21,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:21,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:52:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:22,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 93 states and 143 transitions. [2018-10-26 23:52:22,001 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2018-10-26 23:52:22,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:52:22,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:52:22,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:22,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 94 states and 146 transitions. [2018-10-26 23:52:22,159 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2018-10-26 23:52:22,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:52:22,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:52:22,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 101 states and 155 transitions. [2018-10-26 23:52:22,563 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2018-10-26 23:52:22,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:52:22,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:22,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:52:22,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 156 transitions. [2018-10-26 23:52:22,802 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2018-10-26 23:52:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 23:52:22,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:52:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:23,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 109 states and 169 transitions. [2018-10-26 23:52:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 169 transitions. [2018-10-26 23:52:23,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 23:52:23,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:52:23,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:23,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 107 states and 165 transitions. [2018-10-26 23:52:23,215 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 165 transitions. [2018-10-26 23:52:23,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 23:52:23,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:23,561 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 23:52:24,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:24,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 115 states and 185 transitions. [2018-10-26 23:52:24,560 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 185 transitions. [2018-10-26 23:52:24,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 23:52:24,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:24,591 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:52:25,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:25,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 189 transitions. [2018-10-26 23:52:25,019 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2018-10-26 23:52:25,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 23:52:25,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:52:25,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:25,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 127 states and 208 transitions. [2018-10-26 23:52:25,417 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 208 transitions. [2018-10-26 23:52:25,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 23:52:25,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:25,458 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:52:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 209 transitions. [2018-10-26 23:52:25,521 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 209 transitions. [2018-10-26 23:52:25,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 23:52:25,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:25,552 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:52:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:25,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 129 states and 210 transitions. [2018-10-26 23:52:25,638 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2018-10-26 23:52:25,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 23:52:25,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:26,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:52:27,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 148 states and 262 transitions. [2018-10-26 23:52:27,502 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 262 transitions. [2018-10-26 23:52:27,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 23:52:27,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:52:27,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:27,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 149 states and 263 transitions. [2018-10-26 23:52:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 263 transitions. [2018-10-26 23:52:27,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 23:52:27,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:27,631 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:52:27,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:27,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 150 states and 264 transitions. [2018-10-26 23:52:27,787 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 264 transitions. [2018-10-26 23:52:27,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 23:52:27,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:52:28,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 160 states and 291 transitions. [2018-10-26 23:52:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 291 transitions. [2018-10-26 23:52:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 23:52:28,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:52:29,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:29,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 161 states and 292 transitions. [2018-10-26 23:52:29,071 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 292 transitions. [2018-10-26 23:52:29,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 23:52:29,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 23:52:30,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:30,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 165 states and 299 transitions. [2018-10-26 23:52:30,057 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 299 transitions. [2018-10-26 23:52:30,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 23:52:30,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 23:52:31,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 170 states and 308 transitions. [2018-10-26 23:52:31,486 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 308 transitions. [2018-10-26 23:52:31,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 23:52:31,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:31,512 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 23:52:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:31,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 168 states and 304 transitions. [2018-10-26 23:52:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 304 transitions. [2018-10-26 23:52:31,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 23:52:31,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:31,940 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 23:52:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:32,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 173 states and 311 transitions. [2018-10-26 23:52:32,479 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 311 transitions. [2018-10-26 23:52:32,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 23:52:32,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:32,505 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 23:52:32,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 175 states and 314 transitions. [2018-10-26 23:52:32,756 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 314 transitions. [2018-10-26 23:52:32,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 23:52:32,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:52:32,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:32,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 171 states and 302 transitions. [2018-10-26 23:52:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 302 transitions. [2018-10-26 23:52:32,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 23:52:32,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:52:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 172 states and 303 transitions. [2018-10-26 23:52:33,139 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 303 transitions. [2018-10-26 23:52:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 23:52:33,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 23:52:33,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:33,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 165 states and 290 transitions. [2018-10-26 23:52:33,360 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 290 transitions. [2018-10-26 23:52:33,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 23:52:33,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:33,503 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 23:52:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:35,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 183 states and 329 transitions. [2018-10-26 23:52:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 329 transitions. [2018-10-26 23:52:35,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 23:52:35,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 23:52:35,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 173 states and 305 transitions. [2018-10-26 23:52:35,353 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 305 transitions. [2018-10-26 23:52:35,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 23:52:35,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:35,442 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:52:35,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 178 states and 315 transitions. [2018-10-26 23:52:35,894 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 315 transitions. [2018-10-26 23:52:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 23:52:35,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:52:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:52:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 23:52:36,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:52:36,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 91 states and 129 transitions. [2018-10-26 23:52:36,460 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2018-10-26 23:52:36,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:52:36,461 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2018-10-26 23:52:36,469 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:52:36,838 WARN L179 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 1 [2018-10-26 23:52:37,039 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 1 [2018-10-26 23:52:37,179 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 10 [2018-10-26 23:52:37,228 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:37,231 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:37,231 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:37,231 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 23:52:37,234 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 23:52:37,235 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:37,235 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:37,235 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-10-26 23:52:37,236 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:37,236 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:37,236 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:37,236 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 23:52:37,237 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:37,237 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:37,237 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:52:37,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:52:37 ImpRootNode [2018-10-26 23:52:37,237 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:52:37,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:52:37,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:52:37,238 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:52:37,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:52:19" (3/4) ... [2018-10-26 23:52:37,244 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:52:37,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 23:52:37,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 23:52:37,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 23:52:37,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 23:52:37,249 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 23:52:37,250 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 23:52:37,256 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-10-26 23:52:37,256 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-10-26 23:52:37,256 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-10-26 23:52:37,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-10-26 23:52:37,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-10-26 23:52:37,279 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) || tmp == 0) || tmp == methaneLevelCritical) || !(0 == pumpRunning) [2018-10-26 23:52:37,318 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_53e8a7cc-bd08-422c-8402-825c32bf8e0b/bin-2019/ukojak/witness.graphml [2018-10-26 23:52:37,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:52:37,319 INFO L168 Benchmark]: Toolchain (without parser) took 20543.17 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 478.2 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -215.7 MB). Peak memory consumption was 262.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:52:37,319 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:52:37,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.75 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 932.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:52:37,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 932.8 MB in the beginning and 1.2 GB in the end (delta: -224.8 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:52:37,320 INFO L168 Benchmark]: Boogie Preprocessor took 24.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:52:37,320 INFO L168 Benchmark]: RCFGBuilder took 2163.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 93.6 MB). Peak memory consumption was 93.6 MB. Max. memory is 11.5 GB. [2018-10-26 23:52:37,322 INFO L168 Benchmark]: CodeCheck took 17718.32 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 316.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -127.8 MB). Peak memory consumption was 188.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:52:37,323 INFO L168 Benchmark]: Witness Printer took 80.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:52:37,324 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, 112 locations, 1 error locations. SAFE Result, 16.8s OverallTime, 35 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 572811464 SDtfs, -927275978 SDslu, -2097371284 SDs, 0 SdLazy, 906927476 SolverSat, 2014685970 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15958 GetRequests, 15545 SyntacticMatches, 167 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26335 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1643 NumberOfCodeBlocks, 1643 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1609 ConstructedInterpolants, 0 QuantifiedInterpolants, 187782 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 22 PerfectInterpolantSequences, 734/813 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: 206]: 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) || tmp == 0) || tmp == methaneLevelCritical) || !(0 == pumpRunning) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 386]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 429.75 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 932.8 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 120.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 932.8 MB in the beginning and 1.2 GB in the end (delta: -224.8 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2163.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 93.6 MB). Peak memory consumption was 93.6 MB. Max. memory is 11.5 GB. * CodeCheck took 17718.32 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 316.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -127.8 MB). Peak memory consumption was 188.4 MB. Max. memory is 11.5 GB. * Witness Printer took 80.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...