./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/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 0.1.24-6b5699a [2019-11-26 02:35:40,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:35:40,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:35:40,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:35:40,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:35:40,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:35:40,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:35:40,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:35:40,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:35:40,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:35:40,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:35:40,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:35:40,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:35:40,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:35:40,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:35:40,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:35:40,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:35:40,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:35:40,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:35:40,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:35:40,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:35:40,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:35:40,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:35:40,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:35:40,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:35:40,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:35:40,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:35:40,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:35:40,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:35:40,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:35:40,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:35:40,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:35:40,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:35:40,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:35:40,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:35:40,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:35:40,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:35:40,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:35:40,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:35:40,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:35:40,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:35:40,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:35:40,400 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:35:40,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:35:40,401 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:35:40,401 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:35:40,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:35:40,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:35:40,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:35:40,402 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:35:40,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:35:40,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:35:40,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:35:40,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:35:40,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:35:40,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:35:40,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:35:40,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:35:40,404 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:35:40,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:35:40,404 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:35:40,404 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:35:40,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:35:40,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:35:40,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:35:40,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:35:40,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:35:40,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:35:40,406 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:35:40,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:35:40,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:35:40,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/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 [2019-11-26 02:35:40,541 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:35:40,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:35:40,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:35:40,555 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:35:40,556 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:35:40,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2019-11-26 02:35:40,604 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/ukojak/data/a5b472cb9/cd7c4ce5d43b4941890c8baa76e7f08d/FLAGfa6622c0a [2019-11-26 02:35:41,124 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:35:41,125 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2019-11-26 02:35:41,136 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/ukojak/data/a5b472cb9/cd7c4ce5d43b4941890c8baa76e7f08d/FLAGfa6622c0a [2019-11-26 02:35:41,575 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/ukojak/data/a5b472cb9/cd7c4ce5d43b4941890c8baa76e7f08d [2019-11-26 02:35:41,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:35:41,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:35:41,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:35:41,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:35:41,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:35:41,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:35:41" (1/1) ... [2019-11-26 02:35:41,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d40d508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:41, skipping insertion in model container [2019-11-26 02:35:41,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:35:41" (1/1) ... [2019-11-26 02:35:41,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:35:41,650 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:35:42,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:35:42,020 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:35:42,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:35:42,145 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:35:42,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:42 WrapperNode [2019-11-26 02:35:42,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:35:42,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:35:42,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:35:42,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:35:42,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:42" (1/1) ... [2019-11-26 02:35:42,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:42" (1/1) ... [2019-11-26 02:35:42,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:35:42,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:35:42,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:35:42,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:35:42,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:42" (1/1) ... [2019-11-26 02:35:42,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:42" (1/1) ... [2019-11-26 02:35:42,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:42" (1/1) ... [2019-11-26 02:35:42,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:42" (1/1) ... [2019-11-26 02:35:42,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:42" (1/1) ... [2019-11-26 02:35:42,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:42" (1/1) ... [2019-11-26 02:35:42,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:42" (1/1) ... [2019-11-26 02:35:42,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:35:42,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:35:42,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:35:42,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:35:42,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:35:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/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 [2019-11-26 02:35:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:35:42,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:35:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:35:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-26 02:35:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-26 02:35:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:35:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:35:42,310 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:35:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:35:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:35:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:35:42,311 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-26 02:35:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-26 02:35:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:35:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:35:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:35:42,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:35:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:35:43,237 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:35:43,237 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-26 02:35:43,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:35:43 BoogieIcfgContainer [2019-11-26 02:35:43,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:35:43,239 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:35:43,239 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:35:43,249 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:35:43,250 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:35:43" (1/1) ... [2019-11-26 02:35:43,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:35:43,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2019-11-26 02:35:43,300 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2019-11-26 02:35:43,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:35:43,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:43,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:43,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-11-26 02:35:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-26 02:35:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:35:43,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:43,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:43,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:43,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2019-11-26 02:35:43,638 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2019-11-26 02:35:43,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 02:35:43,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:43,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:43,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2019-11-26 02:35:43,846 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-11-26 02:35:43,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:35:43,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:44,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:44,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2019-11-26 02:35:44,197 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2019-11-26 02:35:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:35:44,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:44,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2019-11-26 02:35:44,970 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2019-11-26 02:35:44,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:35:44,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:45,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:45,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 87 states and 132 transitions. [2019-11-26 02:35:45,101 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2019-11-26 02:35:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-26 02:35:45,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:45,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:45,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:45,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 88 states and 133 transitions. [2019-11-26 02:35:45,194 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2019-11-26 02:35:45,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:35:45,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:45,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:45,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:45,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 89 states and 134 transitions. [2019-11-26 02:35:45,248 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 134 transitions. [2019-11-26 02:35:45,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:35:45,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:46,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 106 states and 172 transitions. [2019-11-26 02:35:46,547 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 172 transitions. [2019-11-26 02:35:46,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:35:46,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:46,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:46,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:46,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 107 states and 173 transitions. [2019-11-26 02:35:46,696 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 173 transitions. [2019-11-26 02:35:46,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:35:46,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:46,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:46,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:46,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 112 states and 185 transitions. [2019-11-26 02:35:46,909 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 185 transitions. [2019-11-26 02:35:46,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:35:46,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:46,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:47,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:47,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 113 states and 186 transitions. [2019-11-26 02:35:47,063 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 186 transitions. [2019-11-26 02:35:47,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:35:47,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:47,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 121 states and 200 transitions. [2019-11-26 02:35:47,315 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 200 transitions. [2019-11-26 02:35:47,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:35:47,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:47,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:35:47,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:47,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 125 states and 206 transitions. [2019-11-26 02:35:47,523 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 206 transitions. [2019-11-26 02:35:47,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-26 02:35:47,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:35:47,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:47,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 126 states and 207 transitions. [2019-11-26 02:35:47,574 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 207 transitions. [2019-11-26 02:35:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-26 02:35:47,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:35:47,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:47,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 130 states and 215 transitions. [2019-11-26 02:35:47,641 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 215 transitions. [2019-11-26 02:35:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:35:47,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:35:48,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:48,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 140 states and 239 transitions. [2019-11-26 02:35:48,521 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 239 transitions. [2019-11-26 02:35:48,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 02:35:48,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:35:48,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 141 states and 241 transitions. [2019-11-26 02:35:48,612 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 241 transitions. [2019-11-26 02:35:48,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:35:48,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:35:48,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:48,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 139 states and 237 transitions. [2019-11-26 02:35:48,696 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 237 transitions. [2019-11-26 02:35:48,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:35:48,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:35:49,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 142 states and 244 transitions. [2019-11-26 02:35:49,750 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 244 transitions. [2019-11-26 02:35:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:35:49,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:35:50,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:50,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 145 states and 252 transitions. [2019-11-26 02:35:50,013 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 252 transitions. [2019-11-26 02:35:50,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:35:50,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:35:50,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:50,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 149 states and 259 transitions. [2019-11-26 02:35:50,559 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 259 transitions. [2019-11-26 02:35:50,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:35:50,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:35:50,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:50,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 151 states and 260 transitions. [2019-11-26 02:35:50,876 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 260 transitions. [2019-11-26 02:35:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:35:50,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:35:51,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:51,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 159 states and 275 transitions. [2019-11-26 02:35:51,220 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 275 transitions. [2019-11-26 02:35:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:35:51,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:35:51,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 161 states and 277 transitions. [2019-11-26 02:35:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 277 transitions. [2019-11-26 02:35:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:35:51,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:35:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:51,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 163 states and 278 transitions. [2019-11-26 02:35:51,742 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 278 transitions. [2019-11-26 02:35:51,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:35:51,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:35:51,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:51,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 164 states and 279 transitions. [2019-11-26 02:35:51,795 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 279 transitions. [2019-11-26 02:35:51,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:35:51,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:35:53,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 178 states and 310 transitions. [2019-11-26 02:35:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 310 transitions. [2019-11-26 02:35:53,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:35:53,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:53,604 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:35:53,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:53,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 180 states and 311 transitions. [2019-11-26 02:35:53,880 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 311 transitions. [2019-11-26 02:35:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:35:53,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:35:55,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:55,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 192 states and 341 transitions. [2019-11-26 02:35:55,632 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 341 transitions. [2019-11-26 02:35:55,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:35:55,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:35:56,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:56,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 194 states and 343 transitions. [2019-11-26 02:35:56,019 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 343 transitions. [2019-11-26 02:35:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:35:56,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:56,161 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:35:57,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:57,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 200 states and 354 transitions. [2019-11-26 02:35:57,764 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 354 transitions. [2019-11-26 02:35:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:35:57,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:57,802 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:35:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:57,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 201 states and 355 transitions. [2019-11-26 02:35:57,822 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 355 transitions. [2019-11-26 02:35:57,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-26 02:35:57,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:35:57,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 202 states and 356 transitions. [2019-11-26 02:35:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 356 transitions. [2019-11-26 02:35:57,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-26 02:35:57,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 02:35:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 204 states and 358 transitions. [2019-11-26 02:35:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 358 transitions. [2019-11-26 02:35:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-26 02:35:58,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:58,481 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 02:35:58,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 207 states and 363 transitions. [2019-11-26 02:35:58,509 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 363 transitions. [2019-11-26 02:35:58,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 02:35:58,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:35:58,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:58,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 208 states and 364 transitions. [2019-11-26 02:35:58,578 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 364 transitions. [2019-11-26 02:35:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-26 02:35:58,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:35:58,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 209 states and 365 transitions. [2019-11-26 02:35:58,636 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 365 transitions. [2019-11-26 02:35:58,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-26 02:35:58,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:58,670 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 02:35:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:59,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 209 states and 361 transitions. [2019-11-26 02:35:59,024 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 361 transitions. [2019-11-26 02:35:59,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-26 02:35:59,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-26 02:35:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 158 states and 251 transitions. [2019-11-26 02:35:59,416 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 251 transitions. [2019-11-26 02:35:59,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-26 02:35:59,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:59,466 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-26 02:35:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:35:59,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 163 states and 258 transitions. [2019-11-26 02:35:59,674 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 258 transitions. [2019-11-26 02:35:59,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-26 02:35:59,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:35:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:35:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-26 02:36:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:01,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 165 states and 258 transitions. [2019-11-26 02:36:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 258 transitions. [2019-11-26 02:36:01,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-26 02:36:01,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:01,052 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-26 02:36:01,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:01,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 163 states and 254 transitions. [2019-11-26 02:36:01,086 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 254 transitions. [2019-11-26 02:36:01,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-26 02:36:01,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:01,115 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-26 02:36:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:01,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 164 states and 257 transitions. [2019-11-26 02:36:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 257 transitions. [2019-11-26 02:36:01,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-26 02:36:01,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-26 02:36:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 167 states and 260 transitions. [2019-11-26 02:36:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 260 transitions. [2019-11-26 02:36:01,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-26 02:36:01,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:01,528 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-26 02:36:01,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 169 states and 262 transitions. [2019-11-26 02:36:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 262 transitions. [2019-11-26 02:36:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-26 02:36:01,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:01,585 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-26 02:36:01,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:01,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 171 states and 265 transitions. [2019-11-26 02:36:01,610 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 265 transitions. [2019-11-26 02:36:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-26 02:36:01,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:01,637 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-26 02:36:01,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 162 states and 248 transitions. [2019-11-26 02:36:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 248 transitions. [2019-11-26 02:36:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-26 02:36:01,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:01,690 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-26 02:36:01,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 163 states and 249 transitions. [2019-11-26 02:36:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 249 transitions. [2019-11-26 02:36:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-26 02:36:01,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:36:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:01,771 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-26 02:36:01,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:36:01,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 90 states and 121 transitions. [2019-11-26 02:36:01,801 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2019-11-26 02:36:01,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:36:01,802 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2019-11-26 02:36:01,811 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:36:02,254 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:02,258 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:02,259 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:02,259 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:02,260 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:02,260 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:02,260 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-26 02:36:02,265 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:02,266 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-26 02:36:02,269 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:02,271 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:02,272 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-26 02:36:02,272 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:36:02,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:36:02 ImpRootNode [2019-11-26 02:36:02,274 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:36:02,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:36:02,275 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:36:02,275 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:36:02,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:35:43" (3/4) ... [2019-11-26 02:36:02,280 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:36:02,286 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-26 02:36:02,286 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-26 02:36:02,286 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-26 02:36:02,286 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-26 02:36:02,286 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-26 02:36:02,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-26 02:36:02,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-26 02:36:02,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-11-26 02:36:02,302 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-26 02:36:02,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:36:02,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:36:02,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:36:02,304 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:36:02,304 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:36:02,339 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) [2019-11-26 02:36:02,341 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == tmp) && !(pumpRunning == 0)) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp))) || methaneLevelCritical == tmp [2019-11-26 02:36:02,393 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_33c09de2-4ab8-4925-8ab4-033288d87657/bin/ukojak/witness.graphml [2019-11-26 02:36:02,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:36:02,396 INFO L168 Benchmark]: Toolchain (without parser) took 20815.75 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 390.1 MB). Free memory was 944.8 MB in the beginning and 1.3 GB in the end (delta: -369.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:02,396 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:36:02,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:02,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:36:02,397 INFO L168 Benchmark]: Boogie Preprocessor took 32.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:02,397 INFO L168 Benchmark]: RCFGBuilder took 1005.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:02,398 INFO L168 Benchmark]: CodeCheck took 19035.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -288.7 MB). Peak memory consumption was 463.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:02,398 INFO L168 Benchmark]: Witness Printer took 118.55 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:02,400 INFO L335 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, 57 locations, 1 error locations. Result: SAFE, OverallTime: 18.5s, OverallIterations: 51, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 101376532 SDtfs, 526324956 SDslu, 769057340 SDs, 0 SdLazy, 456106348 SolverSat, 1529042852 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21379 GetRequests, 20894 SyntacticMatches, 211 SemanticMatches, 274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31982 ImplicationChecksByTransitivity, 14.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2167 NumberOfCodeBlocks, 2167 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 2117 ConstructedInterpolants, 0 QuantifiedInterpolants, 202816 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 38 PerfectInterpolantSequences, 759/812 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 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: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: 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 && tmp == systemActive) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((!(0 == tmp) && !(pumpRunning == 0)) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp))) || methaneLevelCritical == tmp - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 566.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1005.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * CodeCheck took 19035.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -288.7 MB). Peak memory consumption was 463.1 MB. Max. memory is 11.5 GB. * Witness Printer took 118.55 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...