./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:36:26,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:36:26,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:36:26,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:36:26,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:36:26,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:36:26,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:36:26,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:36:26,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:36:26,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:36:26,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:36:26,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:36:26,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:36:26,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:36:26,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:36:26,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:36:26,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:36:26,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:36:26,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:36:26,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:36:26,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:36:26,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:36:26,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:36:26,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:36:26,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:36:26,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:36:26,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:36:26,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:36:26,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:36:26,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:36:26,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:36:26,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:36:26,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:36:26,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:36:26,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:36:26,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:36:26,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:36:26,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:36:26,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:36:26,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:36:26,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:36:26,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 21:36:26,381 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:36:26,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:36:26,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:36:26,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:36:26,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:36:26,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:36:26,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:36:26,386 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:36:26,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:36:26,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:36:26,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:36:26,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:36:26,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:36:26,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:36:26,388 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:36:26,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:36:26,389 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:36:26,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:36:26,389 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:36:26,389 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:36:26,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:36:26,390 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:36:26,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:36:26,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:36:26,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:36:26,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:36:26,391 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:36:26,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:36:26,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:36:26,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df8d35662b819e3a4d212ebbe7a52d191ed1c2f [2020-11-29 21:36:26,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:36:26,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:36:26,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:36:26,713 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:36:26,714 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:36:26,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2020-11-29 21:36:26,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak/data/44a505f51/7a7d04f38171407594c23b7a5348f384/FLAG5e06b5cc1 [2020-11-29 21:36:27,273 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:36:27,274 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2020-11-29 21:36:27,309 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak/data/44a505f51/7a7d04f38171407594c23b7a5348f384/FLAG5e06b5cc1 [2020-11-29 21:36:27,630 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak/data/44a505f51/7a7d04f38171407594c23b7a5348f384 [2020-11-29 21:36:27,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:36:27,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:36:27,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:36:27,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:36:27,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:36:27,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:36:27" (1/1) ... [2020-11-29 21:36:27,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4183d213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:27, skipping insertion in model container [2020-11-29 21:36:27,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:36:27" (1/1) ... [2020-11-29 21:36:27,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:36:27,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:36:28,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:36:28,085 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:36:28,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:36:28,203 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:36:28,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:28 WrapperNode [2020-11-29 21:36:28,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:36:28,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:36:28,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:36:28,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:36:28,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:28" (1/1) ... [2020-11-29 21:36:28,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:28" (1/1) ... [2020-11-29 21:36:28,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:36:28,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:36:28,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:36:28,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:36:28,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:28" (1/1) ... [2020-11-29 21:36:28,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:28" (1/1) ... [2020-11-29 21:36:28,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:28" (1/1) ... [2020-11-29 21:36:28,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:28" (1/1) ... [2020-11-29 21:36:28,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:28" (1/1) ... [2020-11-29 21:36:28,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:28" (1/1) ... [2020-11-29 21:36:28,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:28" (1/1) ... [2020-11-29 21:36:28,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:36:28,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:36:28,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:36:28,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:36:28,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:36:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/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 [2020-11-29 21:36:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:36:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 21:36:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 21:36:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 21:36:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 21:36:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 21:36:28,370 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 21:36:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 21:36:28,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 21:36:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 21:36:28,370 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 21:36:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 21:36:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 21:36:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:36:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 21:36:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 21:36:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:36:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:36:29,718 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:36:29,718 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-29 21:36:29,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:36:29 BoogieIcfgContainer [2020-11-29 21:36:29,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:36:29,721 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:36:29,721 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:36:29,732 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:36:29,732 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:36:29" (1/1) ... [2020-11-29 21:36:29,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:36:29,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2020-11-29 21:36:29,784 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2020-11-29 21:36:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 21:36:29,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:30,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:30,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2020-11-29 21:36:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2020-11-29 21:36:30,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 21:36:30,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:30,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2020-11-29 21:36:30,272 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-29 21:36:30,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 21:36:30,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:30,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2020-11-29 21:36:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2020-11-29 21:36:30,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 21:36:30,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:30,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:30,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 95 transitions. [2020-11-29 21:36:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2020-11-29 21:36:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 21:36:30,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:31,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:31,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:31,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 128 transitions. [2020-11-29 21:36:31,822 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2020-11-29 21:36:31,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 21:36:31,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:31,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:32,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 96 states and 155 transitions. [2020-11-29 21:36:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 155 transitions. [2020-11-29 21:36:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:36:32,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:32,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 97 states and 156 transitions. [2020-11-29 21:36:32,928 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 156 transitions. [2020-11-29 21:36:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 21:36:32,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:33,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:33,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 102 states and 166 transitions. [2020-11-29 21:36:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 166 transitions. [2020-11-29 21:36:33,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 21:36:33,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:33,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 103 states and 167 transitions. [2020-11-29 21:36:33,201 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 167 transitions. [2020-11-29 21:36:33,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 21:36:33,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:33,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:33,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 180 transitions. [2020-11-29 21:36:33,330 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 180 transitions. [2020-11-29 21:36:33,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 21:36:33,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:33,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 127 states and 227 transitions. [2020-11-29 21:36:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 227 transitions. [2020-11-29 21:36:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 21:36:34,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 128 states and 228 transitions. [2020-11-29 21:36:34,998 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2020-11-29 21:36:35,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 21:36:35,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:35,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:35,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 131 states and 234 transitions. [2020-11-29 21:36:35,304 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 234 transitions. [2020-11-29 21:36:35,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 21:36:35,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:35,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 132 states and 235 transitions. [2020-11-29 21:36:35,383 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 235 transitions. [2020-11-29 21:36:35,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:36:35,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:35,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:35,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:35,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 136 states and 245 transitions. [2020-11-29 21:36:35,629 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 245 transitions. [2020-11-29 21:36:35,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 21:36:35,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:35,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 137 states and 246 transitions. [2020-11-29 21:36:35,926 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 246 transitions. [2020-11-29 21:36:35,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 21:36:35,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:35,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 138 states and 247 transitions. [2020-11-29 21:36:35,994 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 247 transitions. [2020-11-29 21:36:35,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 21:36:35,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:36,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 264 transitions. [2020-11-29 21:36:36,092 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2020-11-29 21:36:36,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 21:36:36,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:36,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 266 transitions. [2020-11-29 21:36:36,387 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 266 transitions. [2020-11-29 21:36:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 21:36:36,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:36,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:36,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 148 states and 267 transitions. [2020-11-29 21:36:36,460 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 267 transitions. [2020-11-29 21:36:36,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 21:36:36,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:36,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:36:36,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 149 states and 268 transitions. [2020-11-29 21:36:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 268 transitions. [2020-11-29 21:36:36,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 21:36:36,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:36,653 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:36:37,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:37,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 158 states and 288 transitions. [2020-11-29 21:36:37,496 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 288 transitions. [2020-11-29 21:36:37,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 21:36:37,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:36:37,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:37,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 159 states and 289 transitions. [2020-11-29 21:36:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 289 transitions. [2020-11-29 21:36:37,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 21:36:37,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:37,590 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:36:37,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:37,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 160 states and 291 transitions. [2020-11-29 21:36:37,628 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 291 transitions. [2020-11-29 21:36:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 21:36:37,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:38,066 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 21:36:39,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:39,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 163 states and 299 transitions. [2020-11-29 21:36:39,066 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 299 transitions. [2020-11-29 21:36:39,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 21:36:39,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:36:39,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:39,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 167 states and 302 transitions. [2020-11-29 21:36:39,286 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 302 transitions. [2020-11-29 21:36:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 21:36:39,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:36:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 174 states and 317 transitions. [2020-11-29 21:36:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 317 transitions. [2020-11-29 21:36:40,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 21:36:40,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:36:40,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:40,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 175 states and 319 transitions. [2020-11-29 21:36:40,350 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 319 transitions. [2020-11-29 21:36:40,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 21:36:40,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:36:41,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:41,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 181 states and 336 transitions. [2020-11-29 21:36:41,904 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 336 transitions. [2020-11-29 21:36:41,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 21:36:41,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:41,936 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:36:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:42,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 189 states and 349 transitions. [2020-11-29 21:36:42,722 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 349 transitions. [2020-11-29 21:36:42,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 21:36:42,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:36:43,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:43,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 189 states and 351 transitions. [2020-11-29 21:36:43,052 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 351 transitions. [2020-11-29 21:36:43,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 21:36:43,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:43,103 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:36:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:43,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 196 states and 367 transitions. [2020-11-29 21:36:43,330 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 367 transitions. [2020-11-29 21:36:43,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 21:36:43,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:36:44,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:44,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 205 states and 383 transitions. [2020-11-29 21:36:44,930 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 383 transitions. [2020-11-29 21:36:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 21:36:44,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:44,967 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:36:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:45,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 206 states and 386 transitions. [2020-11-29 21:36:45,003 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 386 transitions. [2020-11-29 21:36:45,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 21:36:45,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:36:45,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 208 states and 389 transitions. [2020-11-29 21:36:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 389 transitions. [2020-11-29 21:36:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 21:36:45,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:45,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:36:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 209 states and 392 transitions. [2020-11-29 21:36:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 392 transitions. [2020-11-29 21:36:46,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 21:36:46,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:46,119 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:36:46,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 210 states and 395 transitions. [2020-11-29 21:36:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 395 transitions. [2020-11-29 21:36:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 21:36:46,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:46,652 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:36:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 212 states and 398 transitions. [2020-11-29 21:36:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 398 transitions. [2020-11-29 21:36:47,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 21:36:47,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 21:36:47,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:47,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 217 states and 406 transitions. [2020-11-29 21:36:47,898 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 406 transitions. [2020-11-29 21:36:47,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 21:36:47,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:36:47,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 218 states and 407 transitions. [2020-11-29 21:36:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 407 transitions. [2020-11-29 21:36:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 21:36:47,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:36:48,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 219 states and 408 transitions. [2020-11-29 21:36:48,026 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 408 transitions. [2020-11-29 21:36:48,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 21:36:48,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:36:51,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:51,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 231 states and 438 transitions. [2020-11-29 21:36:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 438 transitions. [2020-11-29 21:36:51,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 21:36:51,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:36:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 236 states and 445 transitions. [2020-11-29 21:36:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 445 transitions. [2020-11-29 21:36:54,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 21:36:54,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:36:54,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:54,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 241 states and 454 transitions. [2020-11-29 21:36:54,823 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 454 transitions. [2020-11-29 21:36:54,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 21:36:54,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 21:36:54,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 242 states and 455 transitions. [2020-11-29 21:36:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 455 transitions. [2020-11-29 21:36:54,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 21:36:54,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:36:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:54,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 243 states and 456 transitions. [2020-11-29 21:36:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 456 transitions. [2020-11-29 21:36:54,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 21:36:54,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:55,017 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 21:36:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:55,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 244 states and 457 transitions. [2020-11-29 21:36:55,050 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 457 transitions. [2020-11-29 21:36:55,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 21:36:55,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:55,085 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:36:55,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:55,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 245 states and 458 transitions. [2020-11-29 21:36:55,109 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 458 transitions. [2020-11-29 21:36:55,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 21:36:55,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:55,143 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:36:55,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:55,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 246 states and 459 transitions. [2020-11-29 21:36:55,169 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 459 transitions. [2020-11-29 21:36:55,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 21:36:55,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:55,200 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:36:55,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:55,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 252 states and 470 transitions. [2020-11-29 21:36:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 470 transitions. [2020-11-29 21:36:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 21:36:55,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:36:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 253 states and 471 transitions. [2020-11-29 21:36:55,606 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 471 transitions. [2020-11-29 21:36:55,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 21:36:55,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:36:56,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:56,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 254 states and 474 transitions. [2020-11-29 21:36:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 474 transitions. [2020-11-29 21:36:56,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 21:36:56,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:36:56,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 257 states and 477 transitions. [2020-11-29 21:36:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 477 transitions. [2020-11-29 21:36:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 21:36:56,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:56,349 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 21:36:56,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:56,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 260 states and 481 transitions. [2020-11-29 21:36:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 481 transitions. [2020-11-29 21:36:56,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 21:36:56,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:56,409 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 21:36:56,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 263 states and 486 transitions. [2020-11-29 21:36:56,435 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 486 transitions. [2020-11-29 21:36:56,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-29 21:36:56,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-29 21:36:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 264 states and 487 transitions. [2020-11-29 21:36:56,521 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 487 transitions. [2020-11-29 21:36:56,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 21:36:56,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 21:36:56,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:56,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 265 states and 488 transitions. [2020-11-29 21:36:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 488 transitions. [2020-11-29 21:36:56,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-29 21:36:56,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:36:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:36:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 21:36:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:36:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 89 states and 117 transitions. [2020-11-29 21:36:56,659 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2020-11-29 21:36:56,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:36:56,660 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2020-11-29 21:36:56,668 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 21:36:57,064 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 21:36:57,081 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:57,082 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:57,082 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:57,082 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:57,082 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2020-11-29 21:36:57,083 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:57,083 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:57,083 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:57,083 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-29 21:36:57,084 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:57,084 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-29 21:36:57,084 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:36:57,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 09:36:57 ImpRootNode [2020-11-29 21:36:57,085 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 21:36:57,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:36:57,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:36:57,085 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:36:57,086 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:36:29" (3/4) ... [2020-11-29 21:36:57,088 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:36:57,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 21:36:57,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 21:36:57,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 21:36:57,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 21:36:57,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 21:36:57,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 21:36:57,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 21:36:57,101 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2020-11-29 21:36:57,102 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 21:36:57,102 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 21:36:57,103 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 21:36:57,103 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 21:36:57,104 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:36:57,104 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:36:57,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) && !(0 == systemActive)) || (!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0))) || pumpRunning == \old(pumpRunning) [2020-11-29 21:36:57,146 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) || !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning) [2020-11-29 21:36:57,196 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9b8c5bf3-5dfc-4040-b095-4940ec22fd28/bin/ukojak/witness.graphml [2020-11-29 21:36:57,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:36:57,198 INFO L168 Benchmark]: Toolchain (without parser) took 29563.00 ms. Allocated memory was 96.5 MB in the beginning and 402.7 MB in the end (delta: 306.2 MB). Free memory was 61.2 MB in the beginning and 157.9 MB in the end (delta: -96.7 MB). Peak memory consumption was 210.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:57,198 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory was 70.3 MB in the beginning and 70.3 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:36:57,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.36 ms. Allocated memory is still 96.5 MB. Free memory was 61.0 MB in the beginning and 62.8 MB in the end (delta: -1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:57,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.84 ms. Allocated memory is still 96.5 MB. Free memory was 62.8 MB in the beginning and 60.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:57,201 INFO L168 Benchmark]: Boogie Preprocessor took 36.78 ms. Allocated memory is still 96.5 MB. Free memory was 60.3 MB in the beginning and 58.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:57,201 INFO L168 Benchmark]: RCFGBuilder took 1420.10 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 58.2 MB in the beginning and 90.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:57,202 INFO L168 Benchmark]: CodeCheck took 27363.59 ms. Allocated memory was 119.5 MB in the beginning and 402.7 MB in the end (delta: 283.1 MB). Free memory was 90.3 MB in the beginning and 163.1 MB in the end (delta: -72.8 MB). Peak memory consumption was 209.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:57,202 INFO L168 Benchmark]: Witness Printer took 110.67 ms. Allocated memory is still 402.7 MB. Free memory was 163.1 MB in the beginning and 157.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:36:57,204 INFO L339 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, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.9s, OverallIterations: 59, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -467355124 SDtfs, -2027888932 SDslu, 1744584252 SDs, 0 SdLazy, -1132757636 SolverSat, 113533356 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 72.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26041 GetRequests, 25716 SyntacticMatches, 1 SemanticMatches, 324 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48160 ImplicationChecksByTransitivity, 20.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2475 NumberOfCodeBlocks, 2475 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 2417 ConstructedInterpolants, 0 QuantifiedInterpolants, 219851 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 58 InterpolantComputations, 46 PerfectInterpolantSequences, 794/820 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: 3]: 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: 303]: Loop Invariant Derived loop invariant: ((tmp == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) && !(0 == systemActive)) || (!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0))) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: ((!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) || !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory was 70.3 MB in the beginning and 70.3 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 568.36 ms. Allocated memory is still 96.5 MB. Free memory was 61.0 MB in the beginning and 62.8 MB in the end (delta: -1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.84 ms. Allocated memory is still 96.5 MB. Free memory was 62.8 MB in the beginning and 60.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.78 ms. Allocated memory is still 96.5 MB. Free memory was 60.3 MB in the beginning and 58.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1420.10 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 58.2 MB in the beginning and 90.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. * CodeCheck took 27363.59 ms. Allocated memory was 119.5 MB in the beginning and 402.7 MB in the end (delta: 283.1 MB). Free memory was 90.3 MB in the beginning and 163.1 MB in the end (delta: -72.8 MB). Peak memory consumption was 209.7 MB. Max. memory is 16.1 GB. * Witness Printer took 110.67 ms. Allocated memory is still 402.7 MB. Free memory was 163.1 MB in the beginning and 157.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...