./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.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_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/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 ae87ed11769153d118b606184b0208d26c3c2750 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:45:16,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:45:16,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:45:16,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:45:16,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:45:16,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:45:16,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:45:16,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:45:16,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:45:16,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:45:16,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:45:16,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:45:16,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:45:16,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:45:16,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:45:16,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:45:16,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:45:16,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:45:16,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:45:16,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:45:16,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:45:16,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:45:16,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:45:16,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:45:16,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:45:16,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:45:16,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:45:16,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:45:16,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:45:16,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:45:16,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:45:16,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:45:16,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:45:16,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:45:16,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:45:16,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:45:16,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:45:16,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:45:16,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:45:16,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:45:16,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:45:16,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:45:16,288 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:45:16,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:45:16,290 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:45:16,290 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:45:16,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:45:16,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:45:16,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:45:16,292 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:45:16,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:45:16,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:45:16,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:45:16,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:45:16,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:45:16,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:45:16,294 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:45:16,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:45:16,294 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:45:16,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:45:16,295 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:45:16,295 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:45:16,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:45:16,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:45:16,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:45:16,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:45:16,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:45:16,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:45:16,297 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:45:16,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:45:16,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:45:16,299 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_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae87ed11769153d118b606184b0208d26c3c2750 [2020-11-28 04:45:16,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:45:16,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:45:16,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:45:16,618 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:45:16,620 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:45:16,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2020-11-28 04:45:16,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/bin/ukojak/data/9d3ffcc04/b86b278e48f4444186f284b4da69848e/FLAG1c37bd94b [2020-11-28 04:45:17,293 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:45:17,294 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2020-11-28 04:45:17,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/bin/ukojak/data/9d3ffcc04/b86b278e48f4444186f284b4da69848e/FLAG1c37bd94b [2020-11-28 04:45:17,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/bin/ukojak/data/9d3ffcc04/b86b278e48f4444186f284b4da69848e [2020-11-28 04:45:17,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:45:17,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:45:17,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:45:17,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:45:17,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:45:17,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:45:17" (1/1) ... [2020-11-28 04:45:17,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4620ef42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:17, skipping insertion in model container [2020-11-28 04:45:17,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:45:17" (1/1) ... [2020-11-28 04:45:17,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:45:17,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:45:18,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:45:18,047 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:45:18,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:45:18,215 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:45:18,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18 WrapperNode [2020-11-28 04:45:18,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:45:18,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:45:18,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:45:18,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:45:18,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:45:18,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:45:18,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:45:18,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:45:18,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:45:18,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:45:18,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:45:18,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:45:18,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/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 04:45:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:45:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:45:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:45:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:45:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:45:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:45:18,413 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:45:18,413 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:45:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:45:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:45:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:45:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:45:18,414 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:45:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:45:18,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:45:18,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:45:19,935 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:45:19,935 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-11-28 04:45:19,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:19 BoogieIcfgContainer [2020-11-28 04:45:19,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:45:19,938 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:45:19,938 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:45:19,949 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:45:19,949 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:19" (1/1) ... [2020-11-28 04:45:19,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:45:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2020-11-28 04:45:20,009 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-11-28 04:45:20,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:45:20,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:20,305 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 04:45:20,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:20,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-11-28 04:45:20,323 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-11-28 04:45:20,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:45:20,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:20,472 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 04:45:20,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:20,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2020-11-28 04:45:20,517 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-11-28 04:45:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:45:20,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:20,656 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 04:45:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2020-11-28 04:45:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2020-11-28 04:45:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:45:21,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:21,143 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 04:45:21,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:21,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2020-11-28 04:45:21,651 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2020-11-28 04:45:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:45:21,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:21,732 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 04:45:21,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2020-11-28 04:45:21,754 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2020-11-28 04:45:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:45:21,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:22,181 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 04:45:23,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:23,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 89 states and 146 transitions. [2020-11-28 04:45:23,492 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 146 transitions. [2020-11-28 04:45:23,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:45:23,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:23,539 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 04:45:23,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:23,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 90 states and 147 transitions. [2020-11-28 04:45:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 147 transitions. [2020-11-28 04:45:23,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:45:23,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:23,751 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 04:45:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 90 states and 146 transitions. [2020-11-28 04:45:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 146 transitions. [2020-11-28 04:45:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:45:23,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:23,806 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 04:45:24,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:24,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 93 states and 153 transitions. [2020-11-28 04:45:24,009 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 153 transitions. [2020-11-28 04:45:24,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:45:24,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:24,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:45:24,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 158 transitions. [2020-11-28 04:45:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 158 transitions. [2020-11-28 04:45:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:45:24,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:24,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:45:24,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:24,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 97 states and 157 transitions. [2020-11-28 04:45:24,509 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 157 transitions. [2020-11-28 04:45:24,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:45:24,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:45:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 102 states and 168 transitions. [2020-11-28 04:45:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 168 transitions. [2020-11-28 04:45:24,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:45:24,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:25,017 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:45:25,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:25,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 103 states and 169 transitions. [2020-11-28 04:45:25,035 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2020-11-28 04:45:25,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:45:25,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:45:25,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:25,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 106 states and 176 transitions. [2020-11-28 04:45:25,439 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2020-11-28 04:45:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:45:25,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:25,752 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:45:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 116 states and 207 transitions. [2020-11-28 04:45:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 207 transitions. [2020-11-28 04:45:27,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:45:27,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:45:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:29,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 128 states and 232 transitions. [2020-11-28 04:45:29,943 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 232 transitions. [2020-11-28 04:45:29,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:45:29,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:45:30,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:30,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 130 states and 243 transitions. [2020-11-28 04:45:30,403 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 243 transitions. [2020-11-28 04:45:30,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:45:30,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:30,700 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:45:32,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:32,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 134 states and 257 transitions. [2020-11-28 04:45:32,114 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 257 transitions. [2020-11-28 04:45:32,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:45:32,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:45:32,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:32,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 135 states and 258 transitions. [2020-11-28 04:45:32,239 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 258 transitions. [2020-11-28 04:45:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:45:32,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:32,318 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:45:32,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:32,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 259 transitions. [2020-11-28 04:45:32,375 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 259 transitions. [2020-11-28 04:45:32,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:45:32,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:32,662 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:45:34,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:34,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 147 states and 282 transitions. [2020-11-28 04:45:34,977 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 282 transitions. [2020-11-28 04:45:34,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:45:34,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:35,009 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:45:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 152 states and 288 transitions. [2020-11-28 04:45:36,378 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 288 transitions. [2020-11-28 04:45:36,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:45:36,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:45:41,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:41,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 165 states and 320 transitions. [2020-11-28 04:45:41,498 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 320 transitions. [2020-11-28 04:45:41,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:45:41,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:42,232 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:45:46,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:46,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 178 states and 349 transitions. [2020-11-28 04:45:46,363 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 349 transitions. [2020-11-28 04:45:46,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:45:46,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:47,081 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:45:47,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:47,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 178 states and 344 transitions. [2020-11-28 04:45:47,994 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 344 transitions. [2020-11-28 04:45:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:45:47,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:48,278 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:45:48,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:48,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 179 states and 345 transitions. [2020-11-28 04:45:48,320 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 345 transitions. [2020-11-28 04:45:48,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:45:48,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:45:48,392 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:45:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:45:48,459 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:45:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:45:48,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:45:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:45:48,972 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:45:49,090 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2020-11-28 04:45:49,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:45:49 ImpRootNode [2020-11-28 04:45:49,347 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:45:49,348 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:45:49,348 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:45:49,349 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:45:49,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:19" (3/4) ... [2020-11-28 04:45:49,351 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:45:49,508 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_31d1a17f-3cb6-45ac-90e9-6f4d470eafa5/bin/ukojak/witness.graphml [2020-11-28 04:45:49,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:45:49,510 INFO L168 Benchmark]: Toolchain (without parser) took 31916.60 ms. Allocated memory was 77.6 MB in the beginning and 534.8 MB in the end (delta: 457.2 MB). Free memory was 41.6 MB in the beginning and 335.5 MB in the end (delta: -293.9 MB). Peak memory consumption was 165.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:49,511 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory is still 41.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:49,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.53 ms. Allocated memory was 77.6 MB in the beginning and 113.2 MB in the end (delta: 35.7 MB). Free memory was 41.4 MB in the beginning and 80.6 MB in the end (delta: -39.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:49,512 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.31 ms. Allocated memory is still 113.2 MB. Free memory was 80.6 MB in the beginning and 77.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:49,512 INFO L168 Benchmark]: Boogie Preprocessor took 64.64 ms. Allocated memory is still 113.2 MB. Free memory was 77.8 MB in the beginning and 76.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:49,513 INFO L168 Benchmark]: RCFGBuilder took 1582.28 ms. Allocated memory is still 113.2 MB. Free memory was 76.5 MB in the beginning and 54.9 MB in the end (delta: 21.6 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:49,514 INFO L168 Benchmark]: CodeCheck took 29409.36 ms. Allocated memory was 113.2 MB in the beginning and 534.8 MB in the end (delta: 421.5 MB). Free memory was 54.9 MB in the beginning and 355.4 MB in the end (delta: -300.6 MB). Peak memory consumption was 122.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:49,514 INFO L168 Benchmark]: Witness Printer took 160.08 ms. Allocated memory is still 534.8 MB. Free memory was 355.4 MB in the beginning and 335.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:49,516 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, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 29.1s, OverallIterations: 27, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1721519788 SDtfs, 624325212 SDslu, 1074674060 SDs, 0 SdLazy, 1174520136 SolverSat, 379152424 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9788 GetRequests, 9258 SyntacticMatches, 182 SemanticMatches, 348 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59911 ImplicationChecksByTransitivity, 24.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 942 NumberOfCodeBlocks, 942 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 864 ConstructedInterpolants, 0 QuantifiedInterpolants, 130199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 15 PerfectInterpolantSequences, 141/240 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 - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L149] int pumpRunning = 0; [L150] int systemActive = 1; [L438] int cleanupTimeShifts = 4; [L706] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L514] int retValue_acc ; [L515] int tmp ; [L929] int retValue_acc ; [L932] retValue_acc = 1 [L933] return (retValue_acc); [L521] tmp = valid_product() [L523] COND TRUE \read(tmp) [L337] int splverifierCounter ; [L338] int tmp ; [L339] int tmp___0 ; [L340] int tmp___1 ; [L341] int tmp___2 ; [L344] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L346] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L348] COND TRUE splverifierCounter < 4 [L354] tmp = __VERIFIER_nondet_int() [L356] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L358] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L358] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L364] tmp___0 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L374] tmp___2 = __VERIFIER_nondet_int() [L376] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L391] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L157] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L164] COND TRUE \read(systemActive) [L186] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] COND TRUE ! pumpRunning [L301] int retValue_acc ; [L302] int tmp ; [L303] int tmp___0 ; [L129] int retValue_acc ; [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); [L307] tmp = isHighWaterSensorDry() [L309] COND FALSE !(\read(tmp)) [L312] tmp___0 = 1 [L314] retValue_acc = tmp___0 [L315] return (retValue_acc); [L191] tmp = isHighWaterLevel() [L193] COND TRUE \read(tmp) [L220] int tmp ; [L245] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L249] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L249] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L249] retValue_acc = isMethaneLevelCritical() [L251] return (retValue_acc); [L224] tmp = isMethaneAlarm() [L226] COND FALSE !(\read(tmp)) [L214] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L413] int tmp ; [L414] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L418] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L418] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L418] tmp = isMethaneLevelCritical() [L420] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L391] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L346] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L348] COND TRUE splverifierCounter < 4 [L354] tmp = __VERIFIER_nondet_int() [L356] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L364] tmp___0 = __VERIFIER_nondet_int() [L366] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L368] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L79] COND FALSE !(\read(methaneLevelCritical)) [L82] methaneLevelCritical = 1 [L368] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L374] tmp___2 = __VERIFIER_nondet_int() [L376] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L391] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] COND TRUE \read(pumpRunning) [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L164] COND TRUE \read(systemActive) [L186] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L189] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L204] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L413] int tmp ; [L414] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L418] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L418] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L418] tmp = isMethaneLevelCritical() [L420] COND TRUE \read(tmp) [L256] int retValue_acc ; [L259] retValue_acc = pumpRunning [L260] return (retValue_acc); [L422] tmp___0 = isPumpRunning() [L424] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L3] __assert_fail("0", "minepump_spec1_product43.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory is still 41.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 620.53 ms. Allocated memory was 77.6 MB in the beginning and 113.2 MB in the end (delta: 35.7 MB). Free memory was 41.4 MB in the beginning and 80.6 MB in the end (delta: -39.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.31 ms. Allocated memory is still 113.2 MB. Free memory was 80.6 MB in the beginning and 77.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.64 ms. Allocated memory is still 113.2 MB. Free memory was 77.8 MB in the beginning and 76.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1582.28 ms. Allocated memory is still 113.2 MB. Free memory was 76.5 MB in the beginning and 54.9 MB in the end (delta: 21.6 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * CodeCheck took 29409.36 ms. Allocated memory was 113.2 MB in the beginning and 534.8 MB in the end (delta: 421.5 MB). Free memory was 54.9 MB in the beginning and 355.4 MB in the end (delta: -300.6 MB). Peak memory consumption was 122.5 MB. Max. memory is 16.1 GB. * Witness Printer took 160.08 ms. Allocated memory is still 534.8 MB. Free memory was 355.4 MB in the beginning and 335.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...