./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_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_ea177c47-6bdf-4ea1-8615-8b20239b2797/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/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 3b38310287d90f8069af2c9350481a8126041a79 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 04:39:36,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:36,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:36,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:36,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:36,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:36,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:36,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:36,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:36,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:36,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:36,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:36,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:36,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:36,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:36,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:36,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:36,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:36,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:36,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:36,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:36,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:36,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:36,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:36,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:36,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:36,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:36,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:36,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:36,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:36,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:36,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:36,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:36,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:36,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:36,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:36,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:36,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:36,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:36,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:36,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:36,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:39:36,408 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:36,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:36,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:36,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:36,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:36,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:36,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:36,411 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:36,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:36,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:36,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:36,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:36,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:36,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:36,412 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:36,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:36,413 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:36,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:36,413 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:36,414 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:36,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:36,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:36,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:36,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:36,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:36,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:36,415 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:36,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:36,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:36,416 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_ea177c47-6bdf-4ea1-8615-8b20239b2797/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b38310287d90f8069af2c9350481a8126041a79 [2020-11-28 04:39:36,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:36,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:36,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:36,709 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:36,710 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:36,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-11-28 04:39:36,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/bin/ukojak/data/2751a529a/fe93b30cbd8a48a7abdf9b4dbe2890cc/FLAG9be107ab1 [2020-11-28 04:39:37,332 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:37,333 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-11-28 04:39:37,346 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/bin/ukojak/data/2751a529a/fe93b30cbd8a48a7abdf9b4dbe2890cc/FLAG9be107ab1 [2020-11-28 04:39:37,604 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/bin/ukojak/data/2751a529a/fe93b30cbd8a48a7abdf9b4dbe2890cc [2020-11-28 04:39:37,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:37,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:37,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:37,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:37,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:37,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:37" (1/1) ... [2020-11-28 04:39:37,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f23e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:37, skipping insertion in model container [2020-11-28 04:39:37,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:37" (1/1) ... [2020-11-28 04:39:37,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:37,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:37,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:38,019 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:38,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:38,168 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:38,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38 WrapperNode [2020-11-28 04:39:38,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:38,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:38,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:38,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:38,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:38,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:38,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:38,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:38,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:38,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:38,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:38,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:38,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/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 04:39:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:39:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:39:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:39:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:39:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:39:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:39:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:39:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:39:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:39:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:39:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:39:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:39:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:39:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:39:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:39,915 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:39,915 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-28 04:39:39,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:39 BoogieIcfgContainer [2020-11-28 04:39:39,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:39,919 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:39,919 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:39,932 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:39,932 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:39" (1/1) ... [2020-11-28 04:39:39,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:39:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:39,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2020-11-28 04:39:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2020-11-28 04:39:40,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:39:40,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:40,294 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 04:39:40,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:40,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2020-11-28 04:39:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2020-11-28 04:39:40,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:39:40,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:40,430 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 04:39:40,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:40,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2020-11-28 04:39:40,457 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2020-11-28 04:39:40,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:39:40,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:40,609 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 04:39:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:40,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2020-11-28 04:39:40,764 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-11-28 04:39:40,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:39:40,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:40,874 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 04:39:41,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:41,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2020-11-28 04:39:41,298 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2020-11-28 04:39:41,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:39:41,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:41,385 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 04:39:41,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2020-11-28 04:39:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2020-11-28 04:39:41,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:39:41,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:41,481 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 04:39:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2020-11-28 04:39:41,495 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2020-11-28 04:39:41,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:39:41,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:41,644 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 04:39:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:42,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 124 transitions. [2020-11-28 04:39:42,521 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2020-11-28 04:39:42,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:39:42,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:42,620 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 04:39:43,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 88 states and 144 transitions. [2020-11-28 04:39:43,274 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 144 transitions. [2020-11-28 04:39:43,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:39:43,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:43,310 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 04:39:43,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:43,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 92 states and 154 transitions. [2020-11-28 04:39:43,706 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 154 transitions. [2020-11-28 04:39:43,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:39:43,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:43,766 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 04:39:43,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:43,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 93 states and 155 transitions. [2020-11-28 04:39:43,793 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 155 transitions. [2020-11-28 04:39:43,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:39:43,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:43,828 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 04:39:44,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:44,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 100 states and 164 transitions. [2020-11-28 04:39:44,091 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 164 transitions. [2020-11-28 04:39:44,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:39:44,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:44,137 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 04:39:44,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:44,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 101 states and 165 transitions. [2020-11-28 04:39:44,177 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2020-11-28 04:39:44,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:39:44,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:44,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:44,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 107 states and 178 transitions. [2020-11-28 04:39:44,409 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 178 transitions. [2020-11-28 04:39:44,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:39:44,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:44,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 179 transitions. [2020-11-28 04:39:44,455 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2020-11-28 04:39:44,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:39:44,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:44,490 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:44,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 109 states and 182 transitions. [2020-11-28 04:39:44,711 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 182 transitions. [2020-11-28 04:39:44,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:39:44,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:44,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:44,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 110 states and 185 transitions. [2020-11-28 04:39:44,813 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 185 transitions. [2020-11-28 04:39:44,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:39:44,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:44,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:45,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 192 transitions. [2020-11-28 04:39:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 192 transitions. [2020-11-28 04:39:45,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:39:45,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:45,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:45,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 199 transitions. [2020-11-28 04:39:45,551 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 199 transitions. [2020-11-28 04:39:45,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:39:45,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:45,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 119 states and 201 transitions. [2020-11-28 04:39:45,649 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 201 transitions. [2020-11-28 04:39:45,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:39:45,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:39:46,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:46,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 131 states and 234 transitions. [2020-11-28 04:39:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 234 transitions. [2020-11-28 04:39:46,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:39:46,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:47,024 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:49,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 139 states and 252 transitions. [2020-11-28 04:39:49,503 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 252 transitions. [2020-11-28 04:39:49,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:39:49,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:39:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:49,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 140 states and 253 transitions. [2020-11-28 04:39:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 253 transitions. [2020-11-28 04:39:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:39:49,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:39:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:49,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 141 states and 254 transitions. [2020-11-28 04:39:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 254 transitions. [2020-11-28 04:39:49,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:39:49,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:39:50,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:50,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 144 states and 257 transitions. [2020-11-28 04:39:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 257 transitions. [2020-11-28 04:39:50,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:39:50,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:39:51,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 258 transitions. [2020-11-28 04:39:51,344 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 258 transitions. [2020-11-28 04:39:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:39:51,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:51,394 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:39:51,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:51,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 255 transitions. [2020-11-28 04:39:51,895 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 255 transitions. [2020-11-28 04:39:51,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:39:51,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:39:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 153 states and 264 transitions. [2020-11-28 04:39:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 264 transitions. [2020-11-28 04:39:51,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:39:51,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-28 04:39:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 154 states and 264 transitions. [2020-11-28 04:39:52,029 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 264 transitions. [2020-11-28 04:39:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:39:52,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:39:52,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:52,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 155 states and 265 transitions. [2020-11-28 04:39:52,084 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 265 transitions. [2020-11-28 04:39:52,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:39:52,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:52,122 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 04:39:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:52,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 66 states and 93 transitions. [2020-11-28 04:39:52,148 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2020-11-28 04:39:52,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:39:52,149 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2020-11-28 04:39:52,158 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:39:52,495 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:52,498 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:52,498 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:52,498 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:52,499 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-11-28 04:39:52,502 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:52,502 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:52,503 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:39:52,503 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:52,503 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:52,503 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:39:52,504 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:52,504 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:39:52,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:39:52 ImpRootNode [2020-11-28 04:39:52,505 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:39:52,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:39:52,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:39:52,506 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:39:52,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:39" (3/4) ... [2020-11-28 04:39:52,510 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:39:52,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:39:52,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:39:52,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:39:52,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:39:52,515 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:39:52,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:39:52,534 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2020-11-28 04:39:52,537 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:39:52,537 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:39:52,538 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:39:52,538 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:39:52,539 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:39:52,540 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:39:52,573 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2020-11-28 04:39:52,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) [2020-11-28 04:39:52,643 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ea177c47-6bdf-4ea1-8615-8b20239b2797/bin/ukojak/witness.graphml [2020-11-28 04:39:52,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:39:52,646 INFO L168 Benchmark]: Toolchain (without parser) took 15036.89 ms. Allocated memory was 109.1 MB in the beginning and 270.5 MB in the end (delta: 161.5 MB). Free memory was 82.5 MB in the beginning and 107.1 MB in the end (delta: -24.5 MB). Peak memory consumption was 136.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:52,647 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 109.1 MB. Free memory is still 65.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:52,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.73 ms. Allocated memory was 109.1 MB in the beginning and 155.2 MB in the end (delta: 46.1 MB). Free memory was 82.3 MB in the beginning and 120.9 MB in the end (delta: -38.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:52,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.60 ms. Allocated memory is still 155.2 MB. Free memory was 120.9 MB in the beginning and 118.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:52,650 INFO L168 Benchmark]: Boogie Preprocessor took 70.91 ms. Allocated memory is still 155.2 MB. Free memory was 118.4 MB in the beginning and 116.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:52,651 INFO L168 Benchmark]: RCFGBuilder took 1607.33 ms. Allocated memory is still 155.2 MB. Free memory was 116.8 MB in the beginning and 121.9 MB in the end (delta: -5.1 MB). Peak memory consumption was 61.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:52,651 INFO L168 Benchmark]: CodeCheck took 12585.77 ms. Allocated memory was 155.2 MB in the beginning and 270.5 MB in the end (delta: 115.3 MB). Free memory was 121.9 MB in the beginning and 112.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 124.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:52,652 INFO L168 Benchmark]: Witness Printer took 138.23 ms. Allocated memory is still 270.5 MB. Free memory was 112.3 MB in the beginning and 108.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:52,654 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 7 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 31, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -560249140 SDtfs, 778003292 SDslu, 614542476 SDs, 0 SdLazy, 199866716 SolverSat, -934207828 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8869 GetRequests, 8675 SyntacticMatches, 28 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11224 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 910 NumberOfCodeBlocks, 910 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 880 ConstructedInterpolants, 0 QuantifiedInterpolants, 69011 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 226/249 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: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: 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 109.1 MB. Free memory is still 65.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 555.73 ms. Allocated memory was 109.1 MB in the beginning and 155.2 MB in the end (delta: 46.1 MB). Free memory was 82.3 MB in the beginning and 120.9 MB in the end (delta: -38.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.60 ms. Allocated memory is still 155.2 MB. Free memory was 120.9 MB in the beginning and 118.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.91 ms. Allocated memory is still 155.2 MB. Free memory was 118.4 MB in the beginning and 116.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1607.33 ms. Allocated memory is still 155.2 MB. Free memory was 116.8 MB in the beginning and 121.9 MB in the end (delta: -5.1 MB). Peak memory consumption was 61.7 MB. Max. memory is 16.1 GB. * CodeCheck took 12585.77 ms. Allocated memory was 155.2 MB in the beginning and 270.5 MB in the end (delta: 115.3 MB). Free memory was 121.9 MB in the beginning and 112.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 124.8 MB. Max. memory is 16.1 GB. * Witness Printer took 138.23 ms. Allocated memory is still 270.5 MB. Free memory was 112.3 MB in the beginning and 108.1 MB in the end (delta: 4.2 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...