./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/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 78e630cdfb1cd89877a912be67c0a041bc0bca96 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:26:54,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:26:54,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:26:54,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:26:54,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:26:54,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:26:54,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:26:54,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:26:54,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:26:54,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:26:54,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:26:54,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:26:54,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:26:54,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:26:54,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:26:54,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:26:54,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:26:54,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:26:54,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:26:54,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:26:54,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:26:54,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:26:54,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:26:54,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:26:54,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:26:54,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:26:54,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:26:54,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:26:54,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:26:54,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:26:54,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:26:54,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:26:54,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:26:54,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:26:54,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:26:54,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:26:54,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:26:54,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:26:54,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:26:54,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:26:54,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:26:54,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:26:54,457 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:26:54,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:26:54,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:26:54,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:26:54,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:26:54,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:26:54,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:26:54,464 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:26:54,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:26:54,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:26:54,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:26:54,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:26:54,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:26:54,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:26:54,466 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:26:54,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:26:54,467 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:26:54,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:26:54,467 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:26:54,467 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:26:54,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:26:54,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:26:54,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:26:54,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:26:54,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:26:54,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:26:54,469 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:26:54,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:26:54,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:26:54,469 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_a6395287-4585-4710-ae43-30e843b6baba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78e630cdfb1cd89877a912be67c0a041bc0bca96 [2020-12-01 16:26:54,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:26:54,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:26:54,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:26:54,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:26:54,757 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:26:54,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-12-01 16:26:54,843 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/bin/ukojak/data/d054dd567/25d32119dee848059267df7ffc880a54/FLAG0e7622255 [2020-12-01 16:26:55,504 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:26:55,505 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-12-01 16:26:55,519 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/bin/ukojak/data/d054dd567/25d32119dee848059267df7ffc880a54/FLAG0e7622255 [2020-12-01 16:26:55,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/bin/ukojak/data/d054dd567/25d32119dee848059267df7ffc880a54 [2020-12-01 16:26:55,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:26:55,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:26:55,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:26:55,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:26:55,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:26:55,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:26:55" (1/1) ... [2020-12-01 16:26:55,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@102df677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:26:55, skipping insertion in model container [2020-12-01 16:26:55,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:26:55" (1/1) ... [2020-12-01 16:26:55,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:26:55,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:26:56,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:26:56,241 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:26:56,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:26:56,367 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:26:56,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:26:56 WrapperNode [2020-12-01 16:26:56,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:26:56,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:26:56,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:26:56,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:26:56,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:26:56" (1/1) ... [2020-12-01 16:26:56,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:26:56" (1/1) ... [2020-12-01 16:26:56,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:26:56,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:26:56,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:26:56,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:26:56,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:26:56" (1/1) ... [2020-12-01 16:26:56,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:26:56" (1/1) ... [2020-12-01 16:26:56,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:26:56" (1/1) ... [2020-12-01 16:26:56,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:26:56" (1/1) ... [2020-12-01 16:26:56,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:26:56" (1/1) ... [2020-12-01 16:26:56,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:26:56" (1/1) ... [2020-12-01 16:26:56,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:26:56" (1/1) ... [2020-12-01 16:26:56,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:26:56,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:26:56,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:26:56,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:26:56,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:26:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/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 [2020-12-01 16:26:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:26:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:26:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:26:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:26:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:26:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:26:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:26:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:26:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:26:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:26:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:26:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 16:26:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 16:26:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:26:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:26:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:26:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:26:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:26:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:26:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:26:58,110 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:26:58,111 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-12-01 16:26:58,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:26:58 BoogieIcfgContainer [2020-12-01 16:26:58,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:26:58,115 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:26:58,115 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:26:58,126 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:26:58,126 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:26:58" (1/1) ... [2020-12-01 16:26:58,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:26:58,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:58,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2020-12-01 16:26:58,191 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2020-12-01 16:26:58,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:26:58,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:58,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:58,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2020-12-01 16:26:58,433 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2020-12-01 16:26:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:26:58,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2020-12-01 16:26:58,566 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-12-01 16:26:58,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:26:58,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:58,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:58,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 73 states and 103 transitions. [2020-12-01 16:26:58,884 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2020-12-01 16:26:58,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:26:58,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:58,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:58,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 104 transitions. [2020-12-01 16:26:58,964 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2020-12-01 16:26:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:26:58,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:59,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:59,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:59,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 75 states and 105 transitions. [2020-12-01 16:26:59,030 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2020-12-01 16:26:59,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:26:59,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:59,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:59,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2020-12-01 16:26:59,091 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2020-12-01 16:26:59,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:26:59,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:59,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:59,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 144 transitions. [2020-12-01 16:26:59,756 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2020-12-01 16:26:59,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:26:59,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:59,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:59,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:59,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 94 states and 145 transitions. [2020-12-01 16:26:59,857 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2020-12-01 16:26:59,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:26:59,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:01,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 113 states and 186 transitions. [2020-12-01 16:27:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 186 transitions. [2020-12-01 16:27:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:27:01,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:01,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 118 states and 195 transitions. [2020-12-01 16:27:01,427 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2020-12-01 16:27:01,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:27:01,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:01,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:01,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 122 states and 201 transitions. [2020-12-01 16:27:01,513 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 201 transitions. [2020-12-01 16:27:01,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:27:01,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:01,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:01,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 126 states and 207 transitions. [2020-12-01 16:27:01,733 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 207 transitions. [2020-12-01 16:27:01,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:27:01,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:01,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 127 states and 208 transitions. [2020-12-01 16:27:01,831 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 208 transitions. [2020-12-01 16:27:01,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:27:01,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:27:02,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 130 states and 216 transitions. [2020-12-01 16:27:02,195 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 216 transitions. [2020-12-01 16:27:02,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:27:02,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:27:02,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 134 states and 225 transitions. [2020-12-01 16:27:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 225 transitions. [2020-12-01 16:27:02,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:27:02,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:27:02,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 140 states and 237 transitions. [2020-12-01 16:27:02,443 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 237 transitions. [2020-12-01 16:27:02,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:27:02,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:02,491 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:27:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 141 states and 238 transitions. [2020-12-01 16:27:02,505 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 238 transitions. [2020-12-01 16:27:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:27:02,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:02,558 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:27:02,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 142 states and 239 transitions. [2020-12-01 16:27:02,582 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 239 transitions. [2020-12-01 16:27:02,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:27:02,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:27:04,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:04,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 149 states and 262 transitions. [2020-12-01 16:27:04,226 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 262 transitions. [2020-12-01 16:27:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:27:04,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:04,261 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:27:04,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:04,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 152 states and 269 transitions. [2020-12-01 16:27:04,867 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 269 transitions. [2020-12-01 16:27:04,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:27:04,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:04,931 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:27:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:05,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 156 states and 278 transitions. [2020-12-01 16:27:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 278 transitions. [2020-12-01 16:27:05,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:27:05,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:05,251 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:27:05,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:05,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 160 states and 286 transitions. [2020-12-01 16:27:05,718 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 286 transitions. [2020-12-01 16:27:05,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:27:05,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:27:06,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:06,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 167 states and 298 transitions. [2020-12-01 16:27:06,007 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 298 transitions. [2020-12-01 16:27:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:27:06,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:27:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 168 states and 298 transitions. [2020-12-01 16:27:06,076 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 298 transitions. [2020-12-01 16:27:06,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:27:06,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:27:06,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 169 states and 299 transitions. [2020-12-01 16:27:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 299 transitions. [2020-12-01 16:27:06,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:27:06,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:06,281 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:27:08,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:08,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 185 states and 343 transitions. [2020-12-01 16:27:08,589 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 343 transitions. [2020-12-01 16:27:08,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:27:08,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:08,633 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:27:10,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 197 states and 380 transitions. [2020-12-01 16:27:10,258 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 380 transitions. [2020-12-01 16:27:10,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:27:10,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:27:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:10,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 198 states and 380 transitions. [2020-12-01 16:27:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 380 transitions. [2020-12-01 16:27:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:27:10,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:27:12,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:12,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 206 states and 399 transitions. [2020-12-01 16:27:12,220 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 399 transitions. [2020-12-01 16:27:12,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:27:12,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:27:12,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 208 states and 406 transitions. [2020-12-01 16:27:12,597 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 406 transitions. [2020-12-01 16:27:12,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:27:12,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:12,636 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:27:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:12,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 209 states and 407 transitions. [2020-12-01 16:27:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 407 transitions. [2020-12-01 16:27:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:27:12,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:27:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:12,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 210 states and 408 transitions. [2020-12-01 16:27:12,736 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 408 transitions. [2020-12-01 16:27:12,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:27:12,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:27:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:14,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 216 states and 416 transitions. [2020-12-01 16:27:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 416 transitions. [2020-12-01 16:27:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:27:14,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:14,241 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:27:14,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:14,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 219 states and 422 transitions. [2020-12-01 16:27:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 422 transitions. [2020-12-01 16:27:14,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:27:14,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:27:14,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 224 states and 422 transitions. [2020-12-01 16:27:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 422 transitions. [2020-12-01 16:27:14,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:27:14,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:15,030 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:27:15,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:15,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 229 states and 432 transitions. [2020-12-01 16:27:15,218 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 432 transitions. [2020-12-01 16:27:15,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:27:15,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:27:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 236 states and 443 transitions. [2020-12-01 16:27:15,577 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 443 transitions. [2020-12-01 16:27:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:27:15,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:15,614 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:27:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 237 states and 444 transitions. [2020-12-01 16:27:15,638 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 444 transitions. [2020-12-01 16:27:15,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:27:15,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:27:15,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:15,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 238 states and 445 transitions. [2020-12-01 16:27:15,686 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 445 transitions. [2020-12-01 16:27:15,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:27:15,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:27:15,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:15,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 239 states and 446 transitions. [2020-12-01 16:27:15,746 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 446 transitions. [2020-12-01 16:27:15,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:27:15,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:27:15,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:15,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 240 states and 447 transitions. [2020-12-01 16:27:15,847 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 447 transitions. [2020-12-01 16:27:15,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:27:15,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:27:15,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 241 states and 448 transitions. [2020-12-01 16:27:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 448 transitions. [2020-12-01 16:27:15,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:27:15,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:27:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:16,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 242 states and 453 transitions. [2020-12-01 16:27:16,381 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 453 transitions. [2020-12-01 16:27:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:27:16,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:27:16,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 244 states and 456 transitions. [2020-12-01 16:27:16,781 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 456 transitions. [2020-12-01 16:27:16,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:27:16,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:27:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:16,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 245 states and 457 transitions. [2020-12-01 16:27:16,834 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 457 transitions. [2020-12-01 16:27:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:27:16,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:27:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 250 states and 465 transitions. [2020-12-01 16:27:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 465 transitions. [2020-12-01 16:27:17,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:27:17,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:17,268 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:27:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:17,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 251 states and 468 transitions. [2020-12-01 16:27:17,562 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 468 transitions. [2020-12-01 16:27:17,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:27:17,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:27:17,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:17,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 253 states and 473 transitions. [2020-12-01 16:27:17,632 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 473 transitions. [2020-12-01 16:27:17,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:27:17,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:27:17,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:17,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 256 states and 477 transitions. [2020-12-01 16:27:17,840 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 477 transitions. [2020-12-01 16:27:17,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:27:17,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:27:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 257 states and 477 transitions. [2020-12-01 16:27:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 477 transitions. [2020-12-01 16:27:17,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 16:27:17,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:17,930 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:27:17,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:17,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 260 states and 482 transitions. [2020-12-01 16:27:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 482 transitions. [2020-12-01 16:27:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:27:17,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:27:18,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 261 states and 483 transitions. [2020-12-01 16:27:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 483 transitions. [2020-12-01 16:27:18,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:27:18,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:27:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 262 states and 484 transitions. [2020-12-01 16:27:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 484 transitions. [2020-12-01 16:27:18,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:27:18,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:27:18,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:18,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 263 states and 485 transitions. [2020-12-01 16:27:18,196 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 485 transitions. [2020-12-01 16:27:18,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:27:18,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:27:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:18,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 264 states and 486 transitions. [2020-12-01 16:27:18,259 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 486 transitions. [2020-12-01 16:27:18,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:27:18,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-01 16:27:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:18,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 267 states and 491 transitions. [2020-12-01 16:27:18,524 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 491 transitions. [2020-12-01 16:27:18,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:27:18,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:18,571 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-01 16:27:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 268 states and 492 transitions. [2020-12-01 16:27:18,597 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 492 transitions. [2020-12-01 16:27:18,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:27:18,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:18,638 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:27:19,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:19,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 269 states and 493 transitions. [2020-12-01 16:27:19,044 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 493 transitions. [2020-12-01 16:27:19,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:27:19,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:19,103 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:27:19,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:19,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 271 states and 495 transitions. [2020-12-01 16:27:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 495 transitions. [2020-12-01 16:27:19,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 16:27:19,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:27:19,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:19,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 88 states and 120 transitions. [2020-12-01 16:27:19,193 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-12-01 16:27:19,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:27:19,194 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 61 iterations. [2020-12-01 16:27:19,203 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:27:19,606 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 16:27:19,614 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:27:19,614 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:27:19,614 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:27:19,614 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:27:19,614 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:27:19,615 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:27:19,615 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:27:19,615 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:27:19,616 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 16:27:19,620 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:27:19,621 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:27:19,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:27:19 ImpRootNode [2020-12-01 16:27:19,621 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:27:19,622 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:27:19,622 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:27:19,622 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:27:19,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:26:58" (3/4) ... [2020-12-01 16:27:19,632 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:27:19,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 16:27:19,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:27:19,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:27:19,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 16:27:19,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:27:19,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:27:19,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:27:19,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 16:27:19,653 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2020-12-01 16:27:19,653 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 16:27:19,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:27:19,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:27:19,655 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:27:19,656 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:27:19,656 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:27:19,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-12-01 16:27:19,741 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a6395287-4585-4710-ae43-30e843b6baba/bin/ukojak/witness.graphml [2020-12-01 16:27:19,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:27:19,743 INFO L168 Benchmark]: Toolchain (without parser) took 23946.34 ms. Allocated memory was 125.8 MB in the beginning and 406.8 MB in the end (delta: 281.0 MB). Free memory was 93.3 MB in the beginning and 274.9 MB in the end (delta: -181.6 MB). Peak memory consumption was 98.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:19,744 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 39.1 MB in the beginning and 39.1 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:27:19,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.46 ms. Allocated memory is still 125.8 MB. Free memory was 93.3 MB in the beginning and 91.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:19,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.34 ms. Allocated memory is still 125.8 MB. Free memory was 91.5 MB in the beginning and 89.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:19,745 INFO L168 Benchmark]: Boogie Preprocessor took 45.14 ms. Allocated memory is still 125.8 MB. Free memory was 89.5 MB in the beginning and 87.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:19,746 INFO L168 Benchmark]: RCFGBuilder took 1627.17 ms. Allocated memory is still 125.8 MB. Free memory was 87.4 MB in the beginning and 90.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 59.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:19,746 INFO L168 Benchmark]: CodeCheck took 21506.42 ms. Allocated memory was 125.8 MB in the beginning and 406.8 MB in the end (delta: 281.0 MB). Free memory was 90.0 MB in the beginning and 280.2 MB in the end (delta: -190.2 MB). Peak memory consumption was 90.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:19,746 INFO L168 Benchmark]: Witness Printer took 119.95 ms. Allocated memory is still 406.8 MB. Free memory was 280.2 MB in the beginning and 274.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:27:19,749 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 9 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.0s, OverallIterations: 61, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 156239520 SDtfs, -980737312 SDslu, -1471218764 SDs, 0 SdLazy, 1639701632 SolverSat, -712209680 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30657 GetRequests, 30358 SyntacticMatches, 25 SemanticMatches, 274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34193 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2917 NumberOfCodeBlocks, 2917 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 2857 ConstructedInterpolants, 0 QuantifiedInterpolants, 273107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 54 PerfectInterpolantSequences, 1283/1316 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: 903]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 230]: 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: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 39.1 MB in the beginning and 39.1 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 567.46 ms. Allocated memory is still 125.8 MB. Free memory was 93.3 MB in the beginning and 91.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.34 ms. Allocated memory is still 125.8 MB. Free memory was 91.5 MB in the beginning and 89.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.14 ms. Allocated memory is still 125.8 MB. Free memory was 89.5 MB in the beginning and 87.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1627.17 ms. Allocated memory is still 125.8 MB. Free memory was 87.4 MB in the beginning and 90.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 59.4 MB. Max. memory is 16.1 GB. * CodeCheck took 21506.42 ms. Allocated memory was 125.8 MB in the beginning and 406.8 MB in the end (delta: 281.0 MB). Free memory was 90.0 MB in the beginning and 280.2 MB in the end (delta: -190.2 MB). Peak memory consumption was 90.2 MB. Max. memory is 16.1 GB. * Witness Printer took 119.95 ms. Allocated memory is still 406.8 MB. Free memory was 280.2 MB in the beginning and 274.9 MB in the end (delta: 5.2 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...