./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product08_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_252311a3-7348-40ce-a24a-8c0fa750e5a8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_252311a3-7348-40ce-a24a-8c0fa750e5a8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_252311a3-7348-40ce-a24a-8c0fa750e5a8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_252311a3-7348-40ce-a24a-8c0fa750e5a8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_252311a3-7348-40ce-a24a-8c0fa750e5a8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_252311a3-7348-40ce-a24a-8c0fa750e5a8/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 f80d3a5338c2579934de7f265b1ca347607a109f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:16:28,144 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:16:28,147 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:16:28,160 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:16:28,161 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:16:28,162 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:16:28,165 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:16:28,167 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:16:28,169 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:16:28,173 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:16:28,175 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:16:28,175 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:16:28,176 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:16:28,179 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:16:28,187 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:16:28,188 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:16:28,189 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:16:28,193 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:16:28,195 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:16:28,196 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:16:28,197 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:16:28,201 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:16:28,204 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:16:28,206 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:16:28,207 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:16:28,208 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:16:28,208 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:16:28,209 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:16:28,209 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:16:28,210 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:16:28,210 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:16:28,211 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:16:28,211 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:16:28,211 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:16:28,212 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:16:28,212 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:16:28,213 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_252311a3-7348-40ce-a24a-8c0fa750e5a8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:16:28,230 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:16:28,231 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:16:28,231 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:16:28,231 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:16:28,232 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:16:28,232 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:16:28,232 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:16:28,232 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:16:28,233 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:16:28,233 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:16:28,233 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:16:28,233 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:16:28,233 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:16:28,233 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:16:28,233 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:16:28,234 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:16:28,235 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:16:28,236 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:16:28,236 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:16:28,236 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:16:28,236 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:16:28,236 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:16:28,237 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:16:28,237 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:16:28,237 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:16:28,237 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:16:28,237 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:16:28,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:16:28,237 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_252311a3-7348-40ce-a24a-8c0fa750e5a8/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 -> f80d3a5338c2579934de7f265b1ca347607a109f [2018-10-26 23:16:28,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:16:28,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:16:28,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:16:28,286 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:16:28,286 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:16:28,287 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_252311a3-7348-40ce-a24a-8c0fa750e5a8/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2018-10-26 23:16:28,354 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_252311a3-7348-40ce-a24a-8c0fa750e5a8/bin-2019/ukojak/data/408cf2c73/a5501a8a9a464203a558ed8267e71f37/FLAG3bae28414 [2018-10-26 23:16:28,794 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:16:28,795 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_252311a3-7348-40ce-a24a-8c0fa750e5a8/sv-benchmarks/c/product-lines/minepump_spec2_product08_true-unreach-call_false-termination.cil.c [2018-10-26 23:16:28,813 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_252311a3-7348-40ce-a24a-8c0fa750e5a8/bin-2019/ukojak/data/408cf2c73/a5501a8a9a464203a558ed8267e71f37/FLAG3bae28414 [2018-10-26 23:16:28,833 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_252311a3-7348-40ce-a24a-8c0fa750e5a8/bin-2019/ukojak/data/408cf2c73/a5501a8a9a464203a558ed8267e71f37 [2018-10-26 23:16:28,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:16:28,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:16:28,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:16:28,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:16:28,844 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:16:28,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:16:28" (1/1) ... [2018-10-26 23:16:28,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584914b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:16:28, skipping insertion in model container [2018-10-26 23:16:28,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:16:28" (1/1) ... [2018-10-26 23:16:28,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:16:28,905 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:16:29,178 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:16:29,191 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:16:29,292 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:16:29,324 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:16:29,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:16:29 WrapperNode [2018-10-26 23:16:29,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:16:29,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:16:29,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:16:29,326 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:16:29,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:16:29" (1/1) ... [2018-10-26 23:16:29,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:16:29" (1/1) ... [2018-10-26 23:16:29,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:16:29,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:16:29,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:16:29,474 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:16:29,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:16:29" (1/1) ... [2018-10-26 23:16:29,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:16:29" (1/1) ... [2018-10-26 23:16:29,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:16:29" (1/1) ... [2018-10-26 23:16:29,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:16:29" (1/1) ... [2018-10-26 23:16:29,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:16:29" (1/1) ... [2018-10-26 23:16:29,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:16:29" (1/1) ... [2018-10-26 23:16:29,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:16:29" (1/1) ... [2018-10-26 23:16:29,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:16:29,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:16:29,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:16:29,517 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:16:29,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:16:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_252311a3-7348-40ce-a24a-8c0fa750e5a8/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 23:16:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:16:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 23:16:29,607 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 23:16:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 23:16:29,607 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 23:16:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 23:16:29,608 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 23:16:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 23:16:29,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 23:16:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 23:16:29,608 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 23:16:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 23:16:29,608 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 23:16:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 23:16:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 23:16:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:16:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:16:31,981 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:16:31,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:16:31 BoogieIcfgContainer [2018-10-26 23:16:31,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:16:31,982 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:16:31,982 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:16:31,995 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:16:31,995 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:16:31" (1/1) ... [2018-10-26 23:16:32,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:16:32,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:32,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 61 states and 83 transitions. [2018-10-26 23:16:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2018-10-26 23:16:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:16:32,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:32,298 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 23:16:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:32,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2018-10-26 23:16:32,316 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-10-26 23:16:32,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:16:32,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:32,452 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 23:16:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:32,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2018-10-26 23:16:32,600 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2018-10-26 23:16:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 23:16:32,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:32,771 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 23:16:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:32,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2018-10-26 23:16:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2018-10-26 23:16:32,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 23:16:32,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:32,998 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 23:16:33,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:33,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 107 transitions. [2018-10-26 23:16:33,655 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2018-10-26 23:16:33,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 23:16:33,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:33,820 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 23:16:34,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:34,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 94 states and 143 transitions. [2018-10-26 23:16:34,410 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 143 transitions. [2018-10-26 23:16:34,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:16:34,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:34,465 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 23:16:34,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:34,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 95 states and 144 transitions. [2018-10-26 23:16:34,540 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 144 transitions. [2018-10-26 23:16:34,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:16:34,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:34,595 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 23:16:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:34,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 96 states and 145 transitions. [2018-10-26 23:16:34,604 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 145 transitions. [2018-10-26 23:16:34,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 23:16:34,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:34,653 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 23:16:34,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:34,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 101 states and 157 transitions. [2018-10-26 23:16:34,801 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 157 transitions. [2018-10-26 23:16:34,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:16:34,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:34,841 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 23:16:34,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:34,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 102 states and 158 transitions. [2018-10-26 23:16:34,903 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2018-10-26 23:16:34,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:16:34,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:34,966 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 23:16:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 103 states and 159 transitions. [2018-10-26 23:16:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 159 transitions. [2018-10-26 23:16:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:16:35,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:35,482 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 23:16:35,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:35,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 113 states and 177 transitions. [2018-10-26 23:16:35,972 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 177 transitions. [2018-10-26 23:16:35,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:16:35,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:36,257 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 23:16:36,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:36,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 126 states and 203 transitions. [2018-10-26 23:16:36,926 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 203 transitions. [2018-10-26 23:16:36,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:16:36,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:37,054 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 23:16:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 132 states and 214 transitions. [2018-10-26 23:16:37,302 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 214 transitions. [2018-10-26 23:16:37,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 23:16:37,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:37,333 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 23:16:37,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 133 states and 215 transitions. [2018-10-26 23:16:37,402 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 215 transitions. [2018-10-26 23:16:37,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 23:16:37,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:16:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:37,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 136 states and 222 transitions. [2018-10-26 23:16:37,719 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 222 transitions. [2018-10-26 23:16:37,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 23:16:37,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:38,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:16:38,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:38,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 140 states and 232 transitions. [2018-10-26 23:16:38,052 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 232 transitions. [2018-10-26 23:16:38,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 23:16:38,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:38,168 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 23:16:38,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:38,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 148 states and 253 transitions. [2018-10-26 23:16:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 253 transitions. [2018-10-26 23:16:38,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 23:16:38,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:38,417 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 23:16:38,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:38,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 149 states and 254 transitions. [2018-10-26 23:16:38,546 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 254 transitions. [2018-10-26 23:16:38,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 23:16:38,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:38,580 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 23:16:39,148 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-26 23:16:39,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:39,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 152 states and 260 transitions. [2018-10-26 23:16:39,749 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 260 transitions. [2018-10-26 23:16:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 23:16:39,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:39,781 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 23:16:39,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:39,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 150 states and 256 transitions. [2018-10-26 23:16:39,878 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 256 transitions. [2018-10-26 23:16:39,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 23:16:39,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:40,308 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 23:16:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 158 states and 271 transitions. [2018-10-26 23:16:41,509 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 271 transitions. [2018-10-26 23:16:41,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 23:16:41,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:41,536 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 23:16:42,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:42,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 164 states and 284 transitions. [2018-10-26 23:16:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 284 transitions. [2018-10-26 23:16:42,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 23:16:42,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:42,167 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 23:16:42,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:42,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 165 states and 286 transitions. [2018-10-26 23:16:42,365 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 286 transitions. [2018-10-26 23:16:42,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 23:16:42,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:16:42,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:42,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 174 states and 299 transitions. [2018-10-26 23:16:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 299 transitions. [2018-10-26 23:16:42,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 23:16:42,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:16:43,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 177 states and 301 transitions. [2018-10-26 23:16:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 301 transitions. [2018-10-26 23:16:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 23:16:43,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:43,830 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:16:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:43,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 178 states and 302 transitions. [2018-10-26 23:16:43,891 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 302 transitions. [2018-10-26 23:16:43,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 23:16:43,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:16:46,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:46,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 196 states and 351 transitions. [2018-10-26 23:16:46,105 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 351 transitions. [2018-10-26 23:16:46,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 23:16:46,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:46,348 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:16:46,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:46,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 199 states and 354 transitions. [2018-10-26 23:16:46,690 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 354 transitions. [2018-10-26 23:16:46,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 23:16:46,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:46,728 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:16:47,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:47,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 212 states and 384 transitions. [2018-10-26 23:16:47,791 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 384 transitions. [2018-10-26 23:16:47,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 23:16:47,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:16:49,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:49,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 226 states and 413 transitions. [2018-10-26 23:16:49,600 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 413 transitions. [2018-10-26 23:16:49,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 23:16:49,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:16:51,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:51,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 237 states and 425 transitions. [2018-10-26 23:16:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 425 transitions. [2018-10-26 23:16:51,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 23:16:51,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:16:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:52,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 240 states and 430 transitions. [2018-10-26 23:16:52,244 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 430 transitions. [2018-10-26 23:16:52,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 23:16:52,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:52,448 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:16:52,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 241 states and 431 transitions. [2018-10-26 23:16:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 431 transitions. [2018-10-26 23:16:52,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 23:16:52,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:53,373 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:16:53,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:53,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 244 states and 435 transitions. [2018-10-26 23:16:53,475 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 435 transitions. [2018-10-26 23:16:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 23:16:53,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:53,713 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:16:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:54,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 251 states and 452 transitions. [2018-10-26 23:16:54,757 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 452 transitions. [2018-10-26 23:16:54,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 23:16:54,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:16:55,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 252 states and 455 transitions. [2018-10-26 23:16:55,312 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 455 transitions. [2018-10-26 23:16:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 23:16:55,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:16:55,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 254 states and 460 transitions. [2018-10-26 23:16:55,574 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 460 transitions. [2018-10-26 23:16:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 23:16:55,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:16:56,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 257 states and 467 transitions. [2018-10-26 23:16:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 467 transitions. [2018-10-26 23:16:56,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 23:16:56,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:57,428 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:16:57,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:57,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 259 states and 468 transitions. [2018-10-26 23:16:57,455 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 468 transitions. [2018-10-26 23:16:57,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 23:16:57,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:16:58,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 265 states and 476 transitions. [2018-10-26 23:16:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 476 transitions. [2018-10-26 23:16:58,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-26 23:16:58,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 23:16:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:59,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 274 states and 493 transitions. [2018-10-26 23:16:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 493 transitions. [2018-10-26 23:16:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-26 23:16:59,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 23:16:59,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 277 states and 495 transitions. [2018-10-26 23:16:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 495 transitions. [2018-10-26 23:16:59,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 23:16:59,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:16:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:16:59,670 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:16:59,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:16:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 279 states and 498 transitions. [2018-10-26 23:16:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 498 transitions. [2018-10-26 23:16:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 23:16:59,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:00,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:17:00,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:00,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 282 states and 500 transitions. [2018-10-26 23:17:00,749 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 500 transitions. [2018-10-26 23:17:00,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 23:17:00,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:00,917 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:17:00,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:00,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 283 states and 501 transitions. [2018-10-26 23:17:00,936 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 501 transitions. [2018-10-26 23:17:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 23:17:00,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 23:17:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 219 states and 359 transitions. [2018-10-26 23:17:02,727 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 359 transitions. [2018-10-26 23:17:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 23:17:02,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 23:17:03,675 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 23:17:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 224 states and 366 transitions. [2018-10-26 23:17:03,799 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 366 transitions. [2018-10-26 23:17:03,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 23:17:03,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:03,823 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 23:17:04,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:04,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 225 states and 369 transitions. [2018-10-26 23:17:04,266 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 369 transitions. [2018-10-26 23:17:04,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 23:17:04,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:04,291 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 23:17:04,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:04,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 226 states and 375 transitions. [2018-10-26 23:17:04,736 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 375 transitions. [2018-10-26 23:17:04,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 23:17:04,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 23:17:05,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:05,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 224 states and 370 transitions. [2018-10-26 23:17:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 370 transitions. [2018-10-26 23:17:05,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 23:17:05,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:05,650 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 23:17:06,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 227 states and 374 transitions. [2018-10-26 23:17:06,026 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 374 transitions. [2018-10-26 23:17:06,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 23:17:06,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:06,057 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 23:17:06,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:06,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 228 states and 372 transitions. [2018-10-26 23:17:06,301 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 372 transitions. [2018-10-26 23:17:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 23:17:06,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:06,325 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 23:17:06,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:06,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 229 states and 373 transitions. [2018-10-26 23:17:06,374 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 373 transitions. [2018-10-26 23:17:06,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 23:17:06,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:06,401 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 23:17:06,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 230 states and 374 transitions. [2018-10-26 23:17:06,440 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 374 transitions. [2018-10-26 23:17:06,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 23:17:06,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 23:17:06,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:06,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 232 states and 376 transitions. [2018-10-26 23:17:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 376 transitions. [2018-10-26 23:17:06,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 23:17:06,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:07,006 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 23:17:07,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 234 states and 378 transitions. [2018-10-26 23:17:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 378 transitions. [2018-10-26 23:17:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 23:17:07,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:07,319 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 23:17:07,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:07,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 219 states and 349 transitions. [2018-10-26 23:17:07,593 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 349 transitions. [2018-10-26 23:17:07,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 23:17:07,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 23:17:07,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:07,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 221 states and 352 transitions. [2018-10-26 23:17:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 352 transitions. [2018-10-26 23:17:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 23:17:07,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:07,728 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 23:17:07,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 222 states and 353 transitions. [2018-10-26 23:17:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 353 transitions. [2018-10-26 23:17:07,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-26 23:17:07,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:17:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:17:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 23:17:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:17:08,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 140 states and 194 transitions. [2018-10-26 23:17:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2018-10-26 23:17:08,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:17:08,182 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 61 iterations. [2018-10-26 23:17:08,202 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:17:08,646 WARN L179 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 8 [2018-10-26 23:17:09,161 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:17:09,164 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:17:09,164 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:17:09,165 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:17:09,165 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-10-26 23:17:09,169 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:17:09,169 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:17:09,169 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:17:09,169 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 23:17:09,170 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:17:09,170 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:17:09,170 INFO L582 CodeCheckObserver]: Invariant with dag size 13 [2018-10-26 23:17:09,171 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:17:09,171 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:17:09,171 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:17:09,171 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:17:09,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:17:09 ImpRootNode [2018-10-26 23:17:09,172 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:17:09,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:17:09,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:17:09,172 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:17:09,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:16:31" (3/4) ... [2018-10-26 23:17:09,177 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:17:09,186 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 23:17:09,186 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 23:17:09,186 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 23:17:09,186 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 23:17:09,186 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 23:17:09,186 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 23:17:09,187 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 23:17:09,196 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-10-26 23:17:09,196 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-10-26 23:17:09,197 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 23:17:09,230 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) == pumpRunning || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0))) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) [2018-10-26 23:17:09,231 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == pumpRunning) || 0 == systemActive) || !(0 == tmp)) || methaneLevelCritical == tmp [2018-10-26 23:17:09,277 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_252311a3-7348-40ce-a24a-8c0fa750e5a8/bin-2019/ukojak/witness.graphml [2018-10-26 23:17:09,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:17:09,283 INFO L168 Benchmark]: Toolchain (without parser) took 40445.19 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 523.2 MB). Free memory was 959.8 MB in the beginning and 1.1 GB in the end (delta: -90.9 MB). Peak memory consumption was 432.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:17:09,284 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:17:09,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.27 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 935.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:17:09,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 935.6 MB in the beginning and 1.2 GB in the end (delta: -224.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:17:09,284 INFO L168 Benchmark]: Boogie Preprocessor took 42.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:17:09,285 INFO L168 Benchmark]: RCFGBuilder took 2464.86 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: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:17:09,285 INFO L168 Benchmark]: CodeCheck took 37189.92 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 357.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -5.4 MB). Peak memory consumption was 351.6 MB. Max. memory is 11.5 GB. [2018-10-26 23:17:09,285 INFO L168 Benchmark]: Witness Printer took 105.30 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:17:09,290 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 8 procedures, 120 locations, 1 error locations. SAFE Result, 36.1s OverallTime, 61 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -988393436 SDtfs, 49891660 SDslu, 810454268 SDs, 0 SdLazy, 311458300 SolverSat, -1048321196 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 110.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29788 GetRequests, 29014 SyntacticMatches, 424 SemanticMatches, 350 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70044 ImplicationChecksByTransitivity, 29.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 2867 NumberOfCodeBlocks, 2867 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 2807 ConstructedInterpolants, 0 QuantifiedInterpolants, 296864 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 51 PerfectInterpolantSequences, 1086/1135 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: 600]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) == pumpRunning || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0))) || ((!(systemActive == 1) && 0 == methaneLevelCritical) && !(0 == systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == pumpRunning) || 0 == systemActive) || !(0 == tmp)) || methaneLevelCritical == tmp - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 485.27 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 935.6 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 147.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 935.6 MB in the beginning and 1.2 GB in the end (delta: -224.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2464.86 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: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. * CodeCheck took 37189.92 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 357.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -5.4 MB). Peak memory consumption was 351.6 MB. Max. memory is 11.5 GB. * Witness Printer took 105.30 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...