./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.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_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/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 82c519f2bf81e68e983e1c89de9d6abbdaa163d4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:34:25,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:34:25,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:34:25,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:34:25,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:34:25,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:34:25,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:34:25,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:34:25,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:34:25,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:34:25,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:34:25,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:34:25,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:34:25,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:34:25,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:34:25,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:34:25,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:34:25,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:34:25,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:34:25,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:34:25,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:34:25,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:34:25,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:34:25,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:34:25,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:34:25,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:34:25,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:34:25,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:34:25,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:34:25,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:34:25,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:34:25,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:34:25,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:34:25,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:34:25,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:34:25,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:34:25,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:34:25,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:34:25,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:34:25,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:34:25,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:34:25,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:34:25,275 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:34:25,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:34:25,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:34:25,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:34:25,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:34:25,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:34:25,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:34:25,278 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:34:25,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:34:25,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:34:25,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:34:25,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:34:25,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:34:25,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:34:25,280 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:34:25,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:34:25,280 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:34:25,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:34:25,281 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:34:25,281 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:34:25,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:34:25,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:34:25,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:34:25,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:34:25,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:34:25,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:34:25,282 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:34:25,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:34:25,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:34:25,283 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_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82c519f2bf81e68e983e1c89de9d6abbdaa163d4 [2020-11-28 04:34:25,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:34:25,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:34:25,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:34:25,546 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:34:25,547 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:34:25,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2020-11-28 04:34:25,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/bin/ukojak/data/835e62e97/3f07f5df1337497ea381411bc8aca5ae/FLAGe4fa0bde1 [2020-11-28 04:34:26,090 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:34:26,091 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2020-11-28 04:34:26,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/bin/ukojak/data/835e62e97/3f07f5df1337497ea381411bc8aca5ae/FLAGe4fa0bde1 [2020-11-28 04:34:26,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/bin/ukojak/data/835e62e97/3f07f5df1337497ea381411bc8aca5ae [2020-11-28 04:34:26,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:34:26,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:34:26,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:34:26,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:34:26,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:34:26,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:26" (1/1) ... [2020-11-28 04:34:26,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@604422c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:26, skipping insertion in model container [2020-11-28 04:34:26,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:26" (1/1) ... [2020-11-28 04:34:26,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:34:26,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:34:26,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:34:26,789 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:34:26,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:34:26,891 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:34:26,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:26 WrapperNode [2020-11-28 04:34:26,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:34:26,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:34:26,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:34:26,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:34:26,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:26" (1/1) ... [2020-11-28 04:34:26,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:26" (1/1) ... [2020-11-28 04:34:26,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:34:26,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:34:26,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:34:26,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:34:26,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:26" (1/1) ... [2020-11-28 04:34:26,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:26" (1/1) ... [2020-11-28 04:34:26,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:26" (1/1) ... [2020-11-28 04:34:26,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:26" (1/1) ... [2020-11-28 04:34:26,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:26" (1/1) ... [2020-11-28 04:34:26,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:26" (1/1) ... [2020-11-28 04:34:26,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:26" (1/1) ... [2020-11-28 04:34:26,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:34:26,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:34:26,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:34:26,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:34:26,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/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 [2020-11-28 04:34:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:34:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:34:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:34:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:34:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:34:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:34:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:34:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:34:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:34:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:34:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:34:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:34:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:34:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:34:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:34:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:34:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:34:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:34:28,405 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:34:28,406 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-28 04:34:28,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:28 BoogieIcfgContainer [2020-11-28 04:34:28,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:34:28,409 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:34:28,409 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:34:28,421 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:34:28,421 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:28" (1/1) ... [2020-11-28 04:34:28,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:34:28,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:28,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2020-11-28 04:34:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2020-11-28 04:34:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:34:28,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:28,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:28,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2020-11-28 04:34:28,824 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2020-11-28 04:34:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:34:28,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:28,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:28,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2020-11-28 04:34:28,960 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-28 04:34:28,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:34:28,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:29,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:29,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2020-11-28 04:34:29,104 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-11-28 04:34:29,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:34:29,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:29,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:29,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:29,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 76 states and 117 transitions. [2020-11-28 04:34:29,718 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2020-11-28 04:34:29,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:34:29,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:30,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:30,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 84 states and 132 transitions. [2020-11-28 04:34:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 132 transitions. [2020-11-28 04:34:30,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:34:30,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:31,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 95 states and 157 transitions. [2020-11-28 04:34:31,029 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 157 transitions. [2020-11-28 04:34:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:34:31,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:31,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:31,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 96 states and 158 transitions. [2020-11-28 04:34:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 158 transitions. [2020-11-28 04:34:31,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:34:31,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:31,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 97 states and 159 transitions. [2020-11-28 04:34:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 159 transitions. [2020-11-28 04:34:31,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:34:31,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:31,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:31,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 98 states and 160 transitions. [2020-11-28 04:34:31,204 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 160 transitions. [2020-11-28 04:34:31,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:34:31,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:31,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 171 transitions. [2020-11-28 04:34:31,350 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 171 transitions. [2020-11-28 04:34:31,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:34:31,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:31,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 104 states and 172 transitions. [2020-11-28 04:34:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 172 transitions. [2020-11-28 04:34:31,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:34:31,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:31,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 105 states and 175 transitions. [2020-11-28 04:34:31,472 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 175 transitions. [2020-11-28 04:34:31,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:34:31,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:31,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 107 states and 178 transitions. [2020-11-28 04:34:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 178 transitions. [2020-11-28 04:34:31,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:34:31,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:31,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:31,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:31,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 108 states and 179 transitions. [2020-11-28 04:34:31,655 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2020-11-28 04:34:31,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:34:31,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:31,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:32,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 120 states and 204 transitions. [2020-11-28 04:34:32,614 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 204 transitions. [2020-11-28 04:34:32,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:34:32,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:32,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:32,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 205 transitions. [2020-11-28 04:34:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 205 transitions. [2020-11-28 04:34:32,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:34:32,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:32,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:32,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 122 states and 206 transitions. [2020-11-28 04:34:32,706 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2020-11-28 04:34:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:34:32,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:32,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:32,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:32,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 127 states and 216 transitions. [2020-11-28 04:34:32,929 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 216 transitions. [2020-11-28 04:34:32,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:34:32,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:34:33,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:33,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 130 states and 223 transitions. [2020-11-28 04:34:33,227 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 223 transitions. [2020-11-28 04:34:33,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:34:33,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:33,278 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:34:33,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 139 states and 241 transitions. [2020-11-28 04:34:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 241 transitions. [2020-11-28 04:34:33,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:34:33,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:33,840 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:34:33,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:33,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 140 states and 243 transitions. [2020-11-28 04:34:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 243 transitions. [2020-11-28 04:34:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:34:33,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:34:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:33,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 141 states and 244 transitions. [2020-11-28 04:34:33,968 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 244 transitions. [2020-11-28 04:34:33,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:34:33,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:34,421 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:34:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:35,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 148 states and 267 transitions. [2020-11-28 04:34:35,578 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 267 transitions. [2020-11-28 04:34:35,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:34:35,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:35,639 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:34:35,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 149 states and 267 transitions. [2020-11-28 04:34:35,650 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 267 transitions. [2020-11-28 04:34:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:34:35,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:34:35,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:35,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 153 states and 277 transitions. [2020-11-28 04:34:35,938 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 277 transitions. [2020-11-28 04:34:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:34:35,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:34:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:35,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 154 states and 278 transitions. [2020-11-28 04:34:35,989 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2020-11-28 04:34:35,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:34:35,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:36,026 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:34:36,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:36,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 157 states and 284 transitions. [2020-11-28 04:34:36,521 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 284 transitions. [2020-11-28 04:34:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:34:36,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:34:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:39,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 174 states and 327 transitions. [2020-11-28 04:34:39,297 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 327 transitions. [2020-11-28 04:34:39,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:34:39,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:39,345 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:34:39,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:39,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 182 states and 347 transitions. [2020-11-28 04:34:39,729 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 347 transitions. [2020-11-28 04:34:39,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:34:39,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:34:41,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:41,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 194 states and 386 transitions. [2020-11-28 04:34:41,710 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 386 transitions. [2020-11-28 04:34:41,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:34:41,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:44,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 212 states and 425 transitions. [2020-11-28 04:34:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 425 transitions. [2020-11-28 04:34:44,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:34:44,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:44,324 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:34:45,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:45,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 218 states and 433 transitions. [2020-11-28 04:34:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 433 transitions. [2020-11-28 04:34:45,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:34:45,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:34:45,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 219 states and 434 transitions. [2020-11-28 04:34:45,918 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 434 transitions. [2020-11-28 04:34:45,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:34:45,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:45,960 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:34:46,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:46,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 222 states and 437 transitions. [2020-11-28 04:34:46,176 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 437 transitions. [2020-11-28 04:34:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:34:46,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:34:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 223 states and 438 transitions. [2020-11-28 04:34:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 438 transitions. [2020-11-28 04:34:46,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:34:46,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:34:46,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:46,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 224 states and 441 transitions. [2020-11-28 04:34:46,669 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 441 transitions. [2020-11-28 04:34:46,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:34:46,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:46,696 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:47,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:47,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 227 states and 448 transitions. [2020-11-28 04:34:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 448 transitions. [2020-11-28 04:34:47,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:34:47,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:34:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:48,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 228 states and 451 transitions. [2020-11-28 04:34:48,075 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 451 transitions. [2020-11-28 04:34:48,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:34:48,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:48,116 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:34:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:48,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 228 states and 442 transitions. [2020-11-28 04:34:48,578 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 442 transitions. [2020-11-28 04:34:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:34:48,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:48,628 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:34:48,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:48,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 229 states and 443 transitions. [2020-11-28 04:34:48,651 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 443 transitions. [2020-11-28 04:34:48,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:34:48,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:34:48,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 232 states and 447 transitions. [2020-11-28 04:34:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 447 transitions. [2020-11-28 04:34:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:34:48,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:34:49,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 233 states and 448 transitions. [2020-11-28 04:34:49,021 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 448 transitions. [2020-11-28 04:34:49,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:34:49,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:49,075 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:34:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:49,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 239 states and 458 transitions. [2020-11-28 04:34:49,311 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 458 transitions. [2020-11-28 04:34:49,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:34:49,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:49,342 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:34:49,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:49,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 245 states and 467 transitions. [2020-11-28 04:34:49,539 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 467 transitions. [2020-11-28 04:34:49,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:34:49,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:49,573 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:34:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:49,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 246 states and 468 transitions. [2020-11-28 04:34:49,594 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 468 transitions. [2020-11-28 04:34:49,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:34:49,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:34:49,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:49,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 247 states and 471 transitions. [2020-11-28 04:34:49,961 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 471 transitions. [2020-11-28 04:34:49,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:34:49,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:34:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:50,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 250 states and 475 transitions. [2020-11-28 04:34:50,049 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 475 transitions. [2020-11-28 04:34:50,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-28 04:34:50,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:34:51,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:51,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 263 states and 499 transitions. [2020-11-28 04:34:51,903 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 499 transitions. [2020-11-28 04:34:51,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-28 04:34:51,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:51,937 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:34:52,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:52,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 265 states and 504 transitions. [2020-11-28 04:34:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 504 transitions. [2020-11-28 04:34:52,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:34:52,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:52,463 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:34:52,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:52,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 268 states and 508 transitions. [2020-11-28 04:34:52,489 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 508 transitions. [2020-11-28 04:34:52,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-28 04:34:52,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:52,531 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:34:52,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:52,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 271 states and 514 transitions. [2020-11-28 04:34:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 514 transitions. [2020-11-28 04:34:52,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-28 04:34:52,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:52,994 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:34:53,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 272 states and 515 transitions. [2020-11-28 04:34:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 515 transitions. [2020-11-28 04:34:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-28 04:34:53,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:34:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:53,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 275 states and 521 transitions. [2020-11-28 04:34:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 521 transitions. [2020-11-28 04:34:53,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:34:53,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:34:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 276 states and 522 transitions. [2020-11-28 04:34:53,754 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 522 transitions. [2020-11-28 04:34:53,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-28 04:34:53,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:53,795 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:34:53,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:53,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 277 states and 523 transitions. [2020-11-28 04:34:53,824 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 523 transitions. [2020-11-28 04:34:53,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-28 04:34:53,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:53,858 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:34:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:53,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 279 states and 525 transitions. [2020-11-28 04:34:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 525 transitions. [2020-11-28 04:34:53,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-28 04:34:53,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-28 04:34:54,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:54,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 277 states and 519 transitions. [2020-11-28 04:34:54,334 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 519 transitions. [2020-11-28 04:34:54,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-11-28 04:34:54,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-11-28 04:34:54,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 280 states and 523 transitions. [2020-11-28 04:34:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 523 transitions. [2020-11-28 04:34:54,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-11-28 04:34:54,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:54,450 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-11-28 04:34:54,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:54,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 111 states and 158 transitions. [2020-11-28 04:34:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2020-11-28 04:34:54,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:34:54,486 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 60 iterations. [2020-11-28 04:34:54,493 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:34:54,885 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:34:54,891 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:54,892 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:54,892 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:54,892 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:54,892 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:34:54,893 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:54,893 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:54,893 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:54,894 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:54,894 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:54,894 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-11-28 04:34:54,895 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:34:54,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:34:54 ImpRootNode [2020-11-28 04:34:54,896 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:34:54,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:34:54,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:34:54,897 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:34:54,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:28" (3/4) ... [2020-11-28 04:34:54,905 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:34:54,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:34:54,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:34:54,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:34:54,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:34:54,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:34:54,926 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:34:54,926 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:34:54,934 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-11-28 04:34:54,936 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:34:54,937 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:34:54,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:34:54,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:34:54,939 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:34:54,939 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:34:54,970 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) && !(0 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) [2020-11-28 04:34:54,972 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2020-11-28 04:34:55,018 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dd37ef43-db19-4b69-a46e-5d2d9b64ce5d/bin/ukojak/witness.graphml [2020-11-28 04:34:55,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:34:55,020 INFO L168 Benchmark]: Toolchain (without parser) took 28591.87 ms. Allocated memory was 98.6 MB in the beginning and 436.2 MB in the end (delta: 337.6 MB). Free memory was 68.6 MB in the beginning and 214.4 MB in the end (delta: -145.8 MB). Peak memory consumption was 190.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:55,021 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 75.5 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:34:55,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.34 ms. Allocated memory is still 98.6 MB. Free memory was 68.4 MB in the beginning and 66.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:55,021 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.54 ms. Allocated memory is still 98.6 MB. Free memory was 66.5 MB in the beginning and 64.4 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:34:55,022 INFO L168 Benchmark]: Boogie Preprocessor took 29.60 ms. Allocated memory is still 98.6 MB. Free memory was 63.9 MB in the beginning and 62.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:55,022 INFO L168 Benchmark]: RCFGBuilder took 1431.82 ms. Allocated memory is still 98.6 MB. Free memory was 62.4 MB in the beginning and 38.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:55,023 INFO L168 Benchmark]: CodeCheck took 26486.85 ms. Allocated memory was 98.6 MB in the beginning and 436.2 MB in the end (delta: 337.6 MB). Free memory was 38.8 MB in the beginning and 220.7 MB in the end (delta: -181.9 MB). Peak memory consumption was 156.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:55,023 INFO L168 Benchmark]: Witness Printer took 122.27 ms. Allocated memory is still 436.2 MB. Free memory was 220.7 MB in the beginning and 214.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:34:55,025 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: 26.0s, OverallIterations: 60, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -689340220 SDtfs, 244099436 SDslu, -373992068 SDs, 0 SdLazy, 2030133124 SolverSat, 181893668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 79.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29595 GetRequests, 29262 SyntacticMatches, 21 SemanticMatches, 312 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44719 ImplicationChecksByTransitivity, 19.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2738 NumberOfCodeBlocks, 2738 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 2679 ConstructedInterpolants, 0 QuantifiedInterpolants, 265177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 59 InterpolantComputations, 48 PerfectInterpolantSequences, 1129/1185 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: 232]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) && !(0 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 75.5 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 460.34 ms. Allocated memory is still 98.6 MB. Free memory was 68.4 MB in the beginning and 66.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.54 ms. Allocated memory is still 98.6 MB. Free memory was 66.5 MB in the beginning and 64.4 MB in the end (delta: 2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.60 ms. Allocated memory is still 98.6 MB. Free memory was 63.9 MB in the beginning and 62.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1431.82 ms. Allocated memory is still 98.6 MB. Free memory was 62.4 MB in the beginning and 38.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * CodeCheck took 26486.85 ms. Allocated memory was 98.6 MB in the beginning and 436.2 MB in the end (delta: 337.6 MB). Free memory was 38.8 MB in the beginning and 220.7 MB in the end (delta: -181.9 MB). Peak memory consumption was 156.9 MB. Max. memory is 16.1 GB. * Witness Printer took 122.27 ms. Allocated memory is still 436.2 MB. Free memory was 220.7 MB in the beginning and 214.4 MB in the end (delta: 6.3 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...