./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.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_adbfcc1a-aafc-4f88-aab1-455f2f95b562/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/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 06bd52675bc6dde68cedf41ed0037401ce822bbb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:44:20,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:20,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:20,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:20,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:20,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:20,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:20,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:20,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:20,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:20,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:20,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:20,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:20,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:20,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:20,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:20,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:20,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:20,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:20,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:20,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:20,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:20,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:20,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:20,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:20,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:20,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:20,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:20,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:20,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:20,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:20,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:20,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:20,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:20,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:20,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:20,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:20,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:20,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:20,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:20,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:20,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:20,513 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:20,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:20,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:20,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:20,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:20,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:20,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:20,517 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:20,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:20,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:20,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:20,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:20,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:20,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:20,519 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:20,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:20,520 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:20,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:20,520 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:20,520 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:20,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:20,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:20,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:20,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:20,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:20,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:20,522 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:20,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:20,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:20,524 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_adbfcc1a-aafc-4f88-aab1-455f2f95b562/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06bd52675bc6dde68cedf41ed0037401ce822bbb [2020-11-28 04:44:20,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:20,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:20,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:20,845 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:20,846 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:20,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-11-28 04:44:20,945 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/bin/ukojak/data/8044af662/030e956d7037495f994186295fe82eed/FLAGd8f48210d [2020-11-28 04:44:21,464 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:21,464 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-11-28 04:44:21,488 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/bin/ukojak/data/8044af662/030e956d7037495f994186295fe82eed/FLAGd8f48210d [2020-11-28 04:44:21,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/bin/ukojak/data/8044af662/030e956d7037495f994186295fe82eed [2020-11-28 04:44:21,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:21,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:21,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:21,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:21,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:21,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:21" (1/1) ... [2020-11-28 04:44:21,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce1e9c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:21, skipping insertion in model container [2020-11-28 04:44:21,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:21" (1/1) ... [2020-11-28 04:44:21,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:21,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:22,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:22,186 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:22,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:22,360 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:22,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22 WrapperNode [2020-11-28 04:44:22,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:22,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:22,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:22,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:22,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:22,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:22,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:22,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:22,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:22,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:22,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:22,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:22,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/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 04:44:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:44:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:44:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:44:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:44:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:44:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:44:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:44:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:44:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:44:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:44:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:44:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:44:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:44:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:44:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:23,975 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:23,975 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-28 04:44:23,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:23 BoogieIcfgContainer [2020-11-28 04:44:23,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:23,979 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:23,979 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:23,990 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:23,991 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:23" (1/1) ... [2020-11-28 04:44:24,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:24,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 56 states and 75 transitions. [2020-11-28 04:44:24,035 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2020-11-28 04:44:24,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:44:24,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,339 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 04:44:24,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-11-28 04:44:24,361 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-11-28 04:44:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:44:24,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,494 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 04:44:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2020-11-28 04:44:24,527 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2020-11-28 04:44:24,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:44:24,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,677 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 04:44:24,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2020-11-28 04:44:24,723 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-11-28 04:44:24,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:44:24,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,878 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 04:44:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 77 states and 118 transitions. [2020-11-28 04:44:25,348 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 118 transitions. [2020-11-28 04:44:25,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:44:25,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,386 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 04:44:25,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 85 states and 133 transitions. [2020-11-28 04:44:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2020-11-28 04:44:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:44:25,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,734 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 04:44:25,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 136 transitions. [2020-11-28 04:44:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 136 transitions. [2020-11-28 04:44:25,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:44:25,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,813 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 04:44:25,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2020-11-28 04:44:25,827 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2020-11-28 04:44:25,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:44:25,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,894 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 04:44:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2020-11-28 04:44:25,910 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2020-11-28 04:44:25,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:25,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,948 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 04:44:26,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:26,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 149 transitions. [2020-11-28 04:44:26,046 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 149 transitions. [2020-11-28 04:44:26,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:44:26,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:26,106 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 04:44:26,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:26,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 96 states and 155 transitions. [2020-11-28 04:44:26,132 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 155 transitions. [2020-11-28 04:44:26,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:44:26,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:26,256 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 04:44:27,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:27,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 191 transitions. [2020-11-28 04:44:27,711 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 191 transitions. [2020-11-28 04:44:27,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:44:27,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:27,759 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 04:44:27,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 117 states and 197 transitions. [2020-11-28 04:44:27,952 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 197 transitions. [2020-11-28 04:44:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:44:27,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,009 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 04:44:28,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 123 states and 208 transitions. [2020-11-28 04:44:28,206 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 208 transitions. [2020-11-28 04:44:28,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:44:28,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:28,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 126 states and 215 transitions. [2020-11-28 04:44:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 215 transitions. [2020-11-28 04:44:28,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:44:28,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,549 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 04:44:28,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 127 states and 216 transitions. [2020-11-28 04:44:28,580 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 216 transitions. [2020-11-28 04:44:28,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:44:28,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 131 states and 226 transitions. [2020-11-28 04:44:28,681 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 226 transitions. [2020-11-28 04:44:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:44:28,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,712 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 04:44:28,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 137 states and 239 transitions. [2020-11-28 04:44:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 239 transitions. [2020-11-28 04:44:28,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:44:28,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,882 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 04:44:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 138 states and 240 transitions. [2020-11-28 04:44:28,894 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 240 transitions. [2020-11-28 04:44:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:28,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,967 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 04:44:29,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:29,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 139 states and 241 transitions. [2020-11-28 04:44:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 241 transitions. [2020-11-28 04:44:29,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:29,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:29,496 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 04:44:30,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:30,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 146 states and 263 transitions. [2020-11-28 04:44:30,712 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 263 transitions. [2020-11-28 04:44:30,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:44:30,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:30,752 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 04:44:31,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 149 states and 269 transitions. [2020-11-28 04:44:31,334 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 269 transitions. [2020-11-28 04:44:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:44:31,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:31,366 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 04:44:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 153 states and 279 transitions. [2020-11-28 04:44:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 279 transitions. [2020-11-28 04:44:31,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:31,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:31,695 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 04:44:32,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:32,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 157 states and 286 transitions. [2020-11-28 04:44:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 286 transitions. [2020-11-28 04:44:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:32,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:32,201 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 04:44:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:32,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 158 states and 286 transitions. [2020-11-28 04:44:32,212 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 286 transitions. [2020-11-28 04:44:32,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:44:32,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:32,245 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 04:44:32,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:32,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 159 states and 287 transitions. [2020-11-28 04:44:32,263 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 287 transitions. [2020-11-28 04:44:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:44:32,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:32,398 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 04:44:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 176 states and 329 transitions. [2020-11-28 04:44:34,910 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 329 transitions. [2020-11-28 04:44:34,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:34,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:34,949 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 04:44:37,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 194 states and 367 transitions. [2020-11-28 04:44:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 367 transitions. [2020-11-28 04:44:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:44:37,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:37,069 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 04:44:39,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:39,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 204 states and 383 transitions. [2020-11-28 04:44:39,603 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 383 transitions. [2020-11-28 04:44:39,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:44:39,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:39,651 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 04:44:41,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 212 states and 410 transitions. [2020-11-28 04:44:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 410 transitions. [2020-11-28 04:44:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:44:41,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:41,451 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 04:44:41,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 213 states and 411 transitions. [2020-11-28 04:44:41,480 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 411 transitions. [2020-11-28 04:44:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:41,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:41,512 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 04:44:41,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:41,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 216 states and 415 transitions. [2020-11-28 04:44:41,552 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 415 transitions. [2020-11-28 04:44:41,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:44:41,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:41,585 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 04:44:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 219 states and 420 transitions. [2020-11-28 04:44:42,153 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 420 transitions. [2020-11-28 04:44:42,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:44:42,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:44:42,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:42,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 227 states and 436 transitions. [2020-11-28 04:44:42,784 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 436 transitions. [2020-11-28 04:44:42,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:44:42,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:42,819 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:43,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 228 states and 439 transitions. [2020-11-28 04:44:43,159 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 439 transitions. [2020-11-28 04:44:43,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:44:43,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,196 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 04:44:43,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 229 states and 440 transitions. [2020-11-28 04:44:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 440 transitions. [2020-11-28 04:44:43,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:44:43,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:44:45,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 239 states and 452 transitions. [2020-11-28 04:44:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 452 transitions. [2020-11-28 04:44:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:44:45,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,692 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:44:45,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 240 states and 453 transitions. [2020-11-28 04:44:45,756 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 453 transitions. [2020-11-28 04:44:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:44:45,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,793 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 04:44:46,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:46,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 246 states and 462 transitions. [2020-11-28 04:44:46,019 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 462 transitions. [2020-11-28 04:44:46,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:44:46,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:44:46,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:46,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 247 states and 464 transitions. [2020-11-28 04:44:46,528 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 464 transitions. [2020-11-28 04:44:46,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:44:46,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:44:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:46,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 250 states and 471 transitions. [2020-11-28 04:44:46,837 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 471 transitions. [2020-11-28 04:44:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:44:46,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:46,873 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:44:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:46,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 251 states and 472 transitions. [2020-11-28 04:44:46,895 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 472 transitions. [2020-11-28 04:44:46,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:44:46,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:44:47,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:47,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 252 states and 473 transitions. [2020-11-28 04:44:47,170 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 473 transitions. [2020-11-28 04:44:47,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:44:47,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,205 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 04:44:47,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:47,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 253 states and 474 transitions. [2020-11-28 04:44:47,234 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 474 transitions. [2020-11-28 04:44:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:44:47,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,268 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 04:44:47,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:47,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 254 states and 477 transitions. [2020-11-28 04:44:47,668 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 477 transitions. [2020-11-28 04:44:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:44:47,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,701 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 04:44:47,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 257 states and 482 transitions. [2020-11-28 04:44:47,752 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 482 transitions. [2020-11-28 04:44:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:44:47,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,788 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 04:44:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 261 states and 488 transitions. [2020-11-28 04:44:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 488 transitions. [2020-11-28 04:44:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:44:48,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:48,471 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 04:44:48,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:48,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 264 states and 492 transitions. [2020-11-28 04:44:48,493 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 492 transitions. [2020-11-28 04:44:48,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:44:48,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:48,526 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 04:44:48,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:48,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 267 states and 500 transitions. [2020-11-28 04:44:48,776 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 500 transitions. [2020-11-28 04:44:48,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 04:44:48,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:48,809 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 04:44:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 270 states and 506 transitions. [2020-11-28 04:44:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 506 transitions. [2020-11-28 04:44:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 04:44:49,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,493 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 04:44:49,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 271 states and 507 transitions. [2020-11-28 04:44:49,524 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 507 transitions. [2020-11-28 04:44:49,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:44:49,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,559 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 04:44:49,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 272 states and 508 transitions. [2020-11-28 04:44:49,589 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 508 transitions. [2020-11-28 04:44:49,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-28 04:44:49,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,626 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 04:44:49,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 273 states and 509 transitions. [2020-11-28 04:44:49,651 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 509 transitions. [2020-11-28 04:44:49,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-28 04:44:49,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,687 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 04:44:49,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 274 states and 510 transitions. [2020-11-28 04:44:49,953 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 510 transitions. [2020-11-28 04:44:49,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-28 04:44:49,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,989 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 04:44:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 276 states and 512 transitions. [2020-11-28 04:44:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 512 transitions. [2020-11-28 04:44:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-28 04:44:50,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:44:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 281 states and 520 transitions. [2020-11-28 04:44:50,601 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 520 transitions. [2020-11-28 04:44:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-28 04:44:50,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,652 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:44:50,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 282 states and 521 transitions. [2020-11-28 04:44:50,685 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 521 transitions. [2020-11-28 04:44:50,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-28 04:44:50,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,739 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-28 04:44:51,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 280 states and 515 transitions. [2020-11-28 04:44:51,203 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 515 transitions. [2020-11-28 04:44:51,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-28 04:44:51,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:51,245 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 04:44:51,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 283 states and 519 transitions. [2020-11-28 04:44:51,280 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 519 transitions. [2020-11-28 04:44:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-11-28 04:44:51,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:51,322 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 04:44:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 111 states and 159 transitions. [2020-11-28 04:44:51,352 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-11-28 04:44:51,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:44:51,353 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 60 iterations. [2020-11-28 04:44:51,359 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:44:51,817 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:51,821 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:51,821 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:51,821 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:44:51,824 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:51,824 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:51,824 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-11-28 04:44:51,825 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:51,826 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:51,826 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:51,826 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:51,826 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:51,826 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:51,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:51 ImpRootNode [2020-11-28 04:44:51,827 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:51,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:51,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:51,828 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:51,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:23" (3/4) ... [2020-11-28 04:44:51,832 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:44:51,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:44:51,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:44:51,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:44:51,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:44:51,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:44:51,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:44:51,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:44:51,846 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2020-11-28 04:44:51,846 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:44:51,847 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:44:51,847 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:44:51,848 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:44:51,848 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:51,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:51,876 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) && !(0 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) [2020-11-28 04:44:51,939 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_adbfcc1a-aafc-4f88-aab1-455f2f95b562/bin/ukojak/witness.graphml [2020-11-28 04:44:51,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:51,942 INFO L168 Benchmark]: Toolchain (without parser) took 30145.06 ms. Allocated memory was 88.1 MB in the beginning and 453.0 MB in the end (delta: 364.9 MB). Free memory was 57.0 MB in the beginning and 178.6 MB in the end (delta: -121.7 MB). Peak memory consumption was 243.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:51,942 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 46.0 MB in the beginning and 46.0 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:51,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.93 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 56.7 MB in the beginning and 81.5 MB in the end (delta: -24.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:51,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.97 ms. Allocated memory is still 113.2 MB. Free memory was 81.5 MB in the beginning and 79.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:51,944 INFO L168 Benchmark]: Boogie Preprocessor took 78.36 ms. Allocated memory is still 113.2 MB. Free memory was 79.5 MB in the beginning and 77.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:51,944 INFO L168 Benchmark]: RCFGBuilder took 1476.32 ms. Allocated memory is still 113.2 MB. Free memory was 77.4 MB in the beginning and 67.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:51,945 INFO L168 Benchmark]: CodeCheck took 27848.14 ms. Allocated memory was 113.2 MB in the beginning and 453.0 MB in the end (delta: 339.7 MB). Free memory was 67.1 MB in the beginning and 183.9 MB in the end (delta: -116.7 MB). Peak memory consumption was 226.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:51,945 INFO L168 Benchmark]: Witness Printer took 112.40 ms. Allocated memory is still 453.0 MB. Free memory was 183.9 MB in the beginning and 178.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:51,950 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, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.3s, OverallIterations: 60, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -384039132 SDtfs, 188092972 SDslu, -1506839652 SDs, 0 SdLazy, 812663556 SolverSat, 313927940 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 87.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30647 GetRequests, 30303 SyntacticMatches, 28 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46536 ImplicationChecksByTransitivity, 20.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2834 NumberOfCodeBlocks, 2834 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 2775 ConstructedInterpolants, 0 QuantifiedInterpolants, 289567 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 59 InterpolantComputations, 49 PerfectInterpolantSequences, 1305/1361 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: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) && !(0 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 46.0 MB in the beginning and 46.0 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 555.93 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 56.7 MB in the beginning and 81.5 MB in the end (delta: -24.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.97 ms. Allocated memory is still 113.2 MB. Free memory was 81.5 MB in the beginning and 79.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.36 ms. Allocated memory is still 113.2 MB. Free memory was 79.5 MB in the beginning and 77.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1476.32 ms. Allocated memory is still 113.2 MB. Free memory was 77.4 MB in the beginning and 67.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * CodeCheck took 27848.14 ms. Allocated memory was 113.2 MB in the beginning and 453.0 MB in the end (delta: 339.7 MB). Free memory was 67.1 MB in the beginning and 183.9 MB in the end (delta: -116.7 MB). Peak memory consumption was 226.1 MB. Max. memory is 16.1 GB. * Witness Printer took 112.40 ms. Allocated memory is still 453.0 MB. Free memory was 183.9 MB in the beginning and 178.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...