./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/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 be998c7f0ff858151615865f07914b789231e9b9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 03:46:24,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 03:46:24,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 03:46:24,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 03:46:24,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 03:46:24,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 03:46:24,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 03:46:24,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 03:46:24,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 03:46:24,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 03:46:24,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 03:46:24,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 03:46:24,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 03:46:24,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 03:46:24,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 03:46:24,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 03:46:24,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 03:46:24,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 03:46:24,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 03:46:24,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 03:46:24,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 03:46:24,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 03:46:24,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 03:46:24,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 03:46:24,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 03:46:24,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 03:46:24,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 03:46:24,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 03:46:24,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 03:46:24,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 03:46:24,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 03:46:24,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 03:46:24,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 03:46:24,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 03:46:24,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 03:46:24,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 03:46:24,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 03:46:24,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 03:46:24,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 03:46:24,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 03:46:24,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 03:46:24,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 03:46:24,329 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 03:46:24,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 03:46:24,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 03:46:24,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 03:46:24,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 03:46:24,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 03:46:24,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 03:46:24,332 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 03:46:24,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 03:46:24,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 03:46:24,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 03:46:24,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 03:46:24,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 03:46:24,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 03:46:24,333 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 03:46:24,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 03:46:24,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 03:46:24,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 03:46:24,334 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 03:46:24,334 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 03:46:24,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 03:46:24,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 03:46:24,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 03:46:24,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 03:46:24,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 03:46:24,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 03:46:24,336 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 03:46:24,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 03:46:24,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 03:46:24,337 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_e8251918-f523-400a-80d0-5443c8b0a680/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be998c7f0ff858151615865f07914b789231e9b9 [2020-11-30 03:46:24,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 03:46:24,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 03:46:24,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 03:46:24,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 03:46:24,630 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 03:46:24,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-11-30 03:46:24,713 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/bin/ukojak/data/748d5fd94/0bdc0f9c1a9a44efbfa38ff476fadf2a/FLAGc2e6966af [2020-11-30 03:46:25,252 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 03:46:25,253 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2020-11-30 03:46:25,267 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/bin/ukojak/data/748d5fd94/0bdc0f9c1a9a44efbfa38ff476fadf2a/FLAGc2e6966af [2020-11-30 03:46:25,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/bin/ukojak/data/748d5fd94/0bdc0f9c1a9a44efbfa38ff476fadf2a [2020-11-30 03:46:25,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 03:46:25,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 03:46:25,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 03:46:25,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 03:46:25,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 03:46:25,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:46:25" (1/1) ... [2020-11-30 03:46:25,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8aaa1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:25, skipping insertion in model container [2020-11-30 03:46:25,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:46:25" (1/1) ... [2020-11-30 03:46:25,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 03:46:25,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 03:46:25,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:46:26,006 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 03:46:26,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:46:26,150 INFO L208 MainTranslator]: Completed translation [2020-11-30 03:46:26,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:26 WrapperNode [2020-11-30 03:46:26,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 03:46:26,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 03:46:26,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 03:46:26,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 03:46:26,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:26" (1/1) ... [2020-11-30 03:46:26,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:26" (1/1) ... [2020-11-30 03:46:26,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 03:46:26,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 03:46:26,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 03:46:26,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 03:46:26,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:26" (1/1) ... [2020-11-30 03:46:26,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:26" (1/1) ... [2020-11-30 03:46:26,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:26" (1/1) ... [2020-11-30 03:46:26,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:26" (1/1) ... [2020-11-30 03:46:26,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:26" (1/1) ... [2020-11-30 03:46:26,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:26" (1/1) ... [2020-11-30 03:46:26,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:26" (1/1) ... [2020-11-30 03:46:26,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 03:46:26,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 03:46:26,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 03:46:26,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 03:46:26,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:46:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/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 [2020-11-30 03:46:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 03:46:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 03:46:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 03:46:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 03:46:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 03:46:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 03:46:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 03:46:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 03:46:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 03:46:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-30 03:46:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-30 03:46:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 03:46:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 03:46:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 03:46:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 03:46:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 03:46:27,715 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 03:46:27,715 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-30 03:46:27,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:46:27 BoogieIcfgContainer [2020-11-30 03:46:27,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 03:46:27,718 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 03:46:27,719 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 03:46:27,730 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 03:46:27,730 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:46:27" (1/1) ... [2020-11-30 03:46:27,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:46:27,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:27,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2020-11-30 03:46:27,783 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2020-11-30 03:46:27,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 03:46:27,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:28,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:28,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2020-11-30 03:46:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2020-11-30 03:46:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 03:46:28,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:28,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:28,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2020-11-30 03:46:28,258 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2020-11-30 03:46:28,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 03:46:28,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:28,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:28,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:28,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2020-11-30 03:46:28,397 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2020-11-30 03:46:28,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 03:46:28,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:28,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:28,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2020-11-30 03:46:28,717 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2020-11-30 03:46:28,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 03:46:28,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:28,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2020-11-30 03:46:28,823 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2020-11-30 03:46:28,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 03:46:28,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:28,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:28,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2020-11-30 03:46:28,911 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-11-30 03:46:28,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 03:46:28,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:29,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2020-11-30 03:46:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2020-11-30 03:46:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 03:46:29,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:29,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2020-11-30 03:46:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2020-11-30 03:46:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 03:46:30,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:30,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:30,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:30,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 90 states and 152 transitions. [2020-11-30 03:46:30,542 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 152 transitions. [2020-11-30 03:46:30,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 03:46:30,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:30,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:30,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2020-11-30 03:46:30,663 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2020-11-30 03:46:30,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 03:46:30,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:30,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 94 states and 160 transitions. [2020-11-30 03:46:30,935 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2020-11-30 03:46:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 03:46:30,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:30,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:31,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:31,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 103 states and 178 transitions. [2020-11-30 03:46:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2020-11-30 03:46:31,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 03:46:31,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:31,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:31,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 104 states and 179 transitions. [2020-11-30 03:46:31,334 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2020-11-30 03:46:31,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-30 03:46:31,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 03:46:31,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 110 states and 192 transitions. [2020-11-30 03:46:31,507 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 192 transitions. [2020-11-30 03:46:31,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 03:46:31,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:31,545 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 03:46:31,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 111 states and 193 transitions. [2020-11-30 03:46:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 193 transitions. [2020-11-30 03:46:31,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 03:46:31,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 03:46:31,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:31,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 112 states and 196 transitions. [2020-11-30 03:46:31,766 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 196 transitions. [2020-11-30 03:46:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 03:46:31,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 03:46:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 113 states and 199 transitions. [2020-11-30 03:46:31,857 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 199 transitions. [2020-11-30 03:46:31,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 03:46:31,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:31,907 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 03:46:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:32,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 116 states and 206 transitions. [2020-11-30 03:46:32,254 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 206 transitions. [2020-11-30 03:46:32,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 03:46:32,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:32,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 03:46:32,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 121 states and 215 transitions. [2020-11-30 03:46:32,553 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 215 transitions. [2020-11-30 03:46:32,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 03:46:32,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:32,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 03:46:32,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 122 states and 215 transitions. [2020-11-30 03:46:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 215 transitions. [2020-11-30 03:46:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 03:46:32,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 03:46:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 134 states and 252 transitions. [2020-11-30 03:46:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 252 transitions. [2020-11-30 03:46:33,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 03:46:33,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 03:46:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:33,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 136 states and 257 transitions. [2020-11-30 03:46:33,965 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 257 transitions. [2020-11-30 03:46:33,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 03:46:33,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:46:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:36,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 144 states and 280 transitions. [2020-11-30 03:46:36,449 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 280 transitions. [2020-11-30 03:46:36,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 03:46:36,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 03:46:36,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 145 states and 281 transitions. [2020-11-30 03:46:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 281 transitions. [2020-11-30 03:46:36,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 03:46:36,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 03:46:36,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:36,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 146 states and 282 transitions. [2020-11-30 03:46:36,605 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 282 transitions. [2020-11-30 03:46:36,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 03:46:36,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:36,658 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 03:46:37,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:37,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 147 states and 280 transitions. [2020-11-30 03:46:37,020 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 280 transitions. [2020-11-30 03:46:37,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 03:46:37,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:37,079 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 03:46:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:37,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 152 states and 285 transitions. [2020-11-30 03:46:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 285 transitions. [2020-11-30 03:46:37,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 03:46:37,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 03:46:38,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 154 states and 286 transitions. [2020-11-30 03:46:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 286 transitions. [2020-11-30 03:46:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 03:46:38,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:38,166 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 03:46:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:38,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 160 states and 296 transitions. [2020-11-30 03:46:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 296 transitions. [2020-11-30 03:46:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 03:46:38,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:38,405 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-30 03:46:38,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:38,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 161 states and 296 transitions. [2020-11-30 03:46:38,420 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 296 transitions. [2020-11-30 03:46:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 03:46:38,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 03:46:38,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:38,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 162 states and 297 transitions. [2020-11-30 03:46:38,478 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 297 transitions. [2020-11-30 03:46:38,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 03:46:38,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:38,517 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 03:46:38,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 163 states and 298 transitions. [2020-11-30 03:46:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 298 transitions. [2020-11-30 03:46:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 03:46:38,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 03:46:39,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 173 states and 318 transitions. [2020-11-30 03:46:39,904 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 318 transitions. [2020-11-30 03:46:39,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-30 03:46:39,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:39,943 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 03:46:40,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:40,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 176 states and 325 transitions. [2020-11-30 03:46:40,962 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 325 transitions. [2020-11-30 03:46:40,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-30 03:46:40,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 03:46:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:46:41,000 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 03:46:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 03:46:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 70 states and 100 transitions. [2020-11-30 03:46:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2020-11-30 03:46:41,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 03:46:41,060 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2020-11-30 03:46:41,070 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 03:46:41,552 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-30 03:46:41,560 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 03:46:41,561 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 03:46:41,561 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 03:46:41,561 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-30 03:46:41,563 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 03:46:41,564 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 03:46:41,564 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 03:46:41,564 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 03:46:41,564 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 03:46:41,564 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-30 03:46:41,567 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 03:46:41,567 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 03:46:41,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 03:46:41 ImpRootNode [2020-11-30 03:46:41,568 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 03:46:41,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 03:46:41,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 03:46:41,570 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 03:46:41,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:46:27" (3/4) ... [2020-11-30 03:46:41,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 03:46:41,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-30 03:46:41,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-30 03:46:41,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 03:46:41,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 03:46:41,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 03:46:41,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 03:46:41,610 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-30 03:46:41,611 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-30 03:46:41,611 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 03:46:41,612 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 03:46:41,613 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 03:46:41,614 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 03:46:41,614 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 03:46:41,643 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (!(0 == systemActive) && !(1 == systemActive))) || (1 == systemActive && pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0) [2020-11-30 03:46:41,644 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || !(0 == systemActive) [2020-11-30 03:46:41,700 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e8251918-f523-400a-80d0-5443c8b0a680/bin/ukojak/witness.graphml [2020-11-30 03:46:41,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 03:46:41,703 INFO L168 Benchmark]: Toolchain (without parser) took 16145.41 ms. Allocated memory was 88.1 MB in the beginning and 232.8 MB in the end (delta: 144.7 MB). Free memory was 51.7 MB in the beginning and 92.5 MB in the end (delta: -40.8 MB). Peak memory consumption was 103.2 MB. Max. memory is 16.1 GB. [2020-11-30 03:46:41,704 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 68.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:46:41,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.12 ms. Allocated memory is still 88.1 MB. Free memory was 51.5 MB in the beginning and 54.3 MB in the end (delta: -2.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 03:46:41,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.37 ms. Allocated memory is still 88.1 MB. Free memory was 54.0 MB in the beginning and 51.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:46:41,705 INFO L168 Benchmark]: Boogie Preprocessor took 59.43 ms. Allocated memory is still 88.1 MB. Free memory was 51.7 MB in the beginning and 49.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:46:41,705 INFO L168 Benchmark]: RCFGBuilder took 1417.75 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 49.7 MB in the beginning and 83.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. [2020-11-30 03:46:41,706 INFO L168 Benchmark]: CodeCheck took 13850.23 ms. Allocated memory was 109.1 MB in the beginning and 232.8 MB in the end (delta: 123.7 MB). Free memory was 83.6 MB in the beginning and 97.7 MB in the end (delta: -14.1 MB). Peak memory consumption was 110.4 MB. Max. memory is 16.1 GB. [2020-11-30 03:46:41,706 INFO L168 Benchmark]: Witness Printer took 131.74 ms. Allocated memory is still 232.8 MB. Free memory was 97.7 MB in the beginning and 92.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 03:46:41,708 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: 13.3s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -843860348 SDtfs, -638496816 SDslu, 1309529780 SDs, 0 SdLazy, -1985730952 SolverSat, -569018972 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11476 GetRequests, 11248 SyntacticMatches, 40 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15757 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1118 NumberOfCodeBlocks, 1118 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1083 ConstructedInterpolants, 0 QuantifiedInterpolants, 84293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 28 PerfectInterpolantSequences, 313/340 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: 532]: Loop Invariant Derived loop invariant: (!(pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || !(0 == systemActive) - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (!(0 == systemActive) && !(1 == systemActive))) || (1 == systemActive && pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0) - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: 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 88.1 MB. Free memory is still 68.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 592.12 ms. Allocated memory is still 88.1 MB. Free memory was 51.5 MB in the beginning and 54.3 MB in the end (delta: -2.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.37 ms. Allocated memory is still 88.1 MB. Free memory was 54.0 MB in the beginning and 51.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.43 ms. Allocated memory is still 88.1 MB. Free memory was 51.7 MB in the beginning and 49.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1417.75 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 49.7 MB in the beginning and 83.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. * CodeCheck took 13850.23 ms. Allocated memory was 109.1 MB in the beginning and 232.8 MB in the end (delta: 123.7 MB). Free memory was 83.6 MB in the beginning and 97.7 MB in the end (delta: -14.1 MB). Peak memory consumption was 110.4 MB. Max. memory is 16.1 GB. * Witness Printer took 131.74 ms. Allocated memory is still 232.8 MB. Free memory was 97.7 MB in the beginning and 92.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...