./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/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 40c03acb761953b49167bc0508d57daafd17b745 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 17:21:20,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:21:20,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:21:20,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:21:20,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:21:20,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:21:20,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:21:20,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:21:20,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:21:20,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:21:20,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:21:20,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:21:20,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:21:20,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:21:20,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:21:20,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:21:20,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:21:20,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:21:20,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:21:20,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:21:20,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:21:20,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:21:20,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:21:20,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:21:20,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:21:20,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:21:20,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:21:20,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:21:20,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:21:20,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:21:20,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:21:20,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:21:20,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:21:20,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:21:20,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:21:20,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:21:20,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:21:20,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:21:20,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:21:20,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:21:20,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:21:20,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:21:20,927 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:21:20,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:21:20,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:21:20,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:21:20,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:21:20,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:21:20,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:21:20,931 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:21:20,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:21:20,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:21:20,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:21:20,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:21:20,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:21:20,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:21:20,933 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:21:20,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:21:20,934 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:21:20,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:21:20,934 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:21:20,935 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:21:20,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:21:20,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:21:20,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:21:20,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:21:20,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:21:20,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:21:20,937 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:21:20,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:21:20,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:21:20,938 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_1adb9a84-166d-40b2-855f-2915353875af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c03acb761953b49167bc0508d57daafd17b745 [2020-12-01 17:21:21,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:21:21,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:21:21,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:21:21,278 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:21:21,279 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:21:21,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2020-12-01 17:21:21,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/bin/ukojak/data/f72f1da7a/2b2994e7a593485bb82ced939c3dcd2b/FLAG9363643ba [2020-12-01 17:21:22,036 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:21:22,036 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2020-12-01 17:21:22,057 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/bin/ukojak/data/f72f1da7a/2b2994e7a593485bb82ced939c3dcd2b/FLAG9363643ba [2020-12-01 17:21:22,319 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/bin/ukojak/data/f72f1da7a/2b2994e7a593485bb82ced939c3dcd2b [2020-12-01 17:21:22,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:21:22,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:21:22,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:21:22,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:21:22,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:21:22,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:21:22" (1/1) ... [2020-12-01 17:21:22,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a80ba99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:21:22, skipping insertion in model container [2020-12-01 17:21:22,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:21:22" (1/1) ... [2020-12-01 17:21:22,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:21:22,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:21:22,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:21:22,873 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:21:22,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:21:23,041 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:21:23,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:21:23 WrapperNode [2020-12-01 17:21:23,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:21:23,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:21:23,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:21:23,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:21:23,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:21:23" (1/1) ... [2020-12-01 17:21:23,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:21:23" (1/1) ... [2020-12-01 17:21:23,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:21:23,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:21:23,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:21:23,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:21:23,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:21:23" (1/1) ... [2020-12-01 17:21:23,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:21:23" (1/1) ... [2020-12-01 17:21:23,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:21:23" (1/1) ... [2020-12-01 17:21:23,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:21:23" (1/1) ... [2020-12-01 17:21:23,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:21:23" (1/1) ... [2020-12-01 17:21:23,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:21:23" (1/1) ... [2020-12-01 17:21:23,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:21:23" (1/1) ... [2020-12-01 17:21:23,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:21:23,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:21:23,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:21:23,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:21:23,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:21:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:21:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:21:23,334 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:21:23,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:21:23,335 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:21:23,336 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:21:23,336 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:21:23,336 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:21:23,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:21:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:21:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:21:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:21:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:21:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:21:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:21:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:21:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:21:25,088 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:21:25,088 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-12-01 17:21:25,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:21:25 BoogieIcfgContainer [2020-12-01 17:21:25,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:21:25,093 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:21:25,093 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:21:25,106 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:21:25,107 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:21:25" (1/1) ... [2020-12-01 17:21:25,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:21:25,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:25,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2020-12-01 17:21:25,181 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-12-01 17:21:25,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:21:25,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:21:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-12-01 17:21:25,573 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-12-01 17:21:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:21:25,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:21:25,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2020-12-01 17:21:25,766 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-12-01 17:21:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:21:25,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:25,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:21:26,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:26,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2020-12-01 17:21:26,410 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-12-01 17:21:26,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:21:26,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:21:27,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2020-12-01 17:21:27,078 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2020-12-01 17:21:27,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:21:27,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:21:28,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:28,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 137 transitions. [2020-12-01 17:21:28,154 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2020-12-01 17:21:28,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:21:28,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:28,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:21:29,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:29,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 93 states and 157 transitions. [2020-12-01 17:21:29,038 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 157 transitions. [2020-12-01 17:21:29,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:21:29,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:29,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:21:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:29,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 102 states and 173 transitions. [2020-12-01 17:21:29,255 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 173 transitions. [2020-12-01 17:21:29,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:21:29,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:21:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:30,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 105 states and 179 transitions. [2020-12-01 17:21:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 179 transitions. [2020-12-01 17:21:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:21:30,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:21:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:30,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 107 states and 181 transitions. [2020-12-01 17:21:30,262 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 181 transitions. [2020-12-01 17:21:30,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:21:30,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:30,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:21:30,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:30,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 107 states and 180 transitions. [2020-12-01 17:21:30,355 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2020-12-01 17:21:30,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:21:30,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:21:30,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 181 transitions. [2020-12-01 17:21:30,551 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2020-12-01 17:21:30,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:21:30,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:21:30,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:30,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 180 transitions. [2020-12-01 17:21:30,947 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 180 transitions. [2020-12-01 17:21:30,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:21:30,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:21:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:31,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 194 transitions. [2020-12-01 17:21:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2020-12-01 17:21:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:21:31,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:21:32,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 121 states and 204 transitions. [2020-12-01 17:21:32,087 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 204 transitions. [2020-12-01 17:21:32,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:21:32,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:21:32,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:32,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 122 states and 205 transitions. [2020-12-01 17:21:32,197 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2020-12-01 17:21:32,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:21:32,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:32,509 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:21:33,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:33,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 124 states and 211 transitions. [2020-12-01 17:21:33,380 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 211 transitions. [2020-12-01 17:21:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:21:33,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:21:33,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 127 states and 218 transitions. [2020-12-01 17:21:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 218 transitions. [2020-12-01 17:21:33,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:21:33,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:33,707 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:21:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:34,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 130 states and 222 transitions. [2020-12-01 17:21:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 222 transitions. [2020-12-01 17:21:34,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:21:34,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:21:35,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:35,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 140 states and 242 transitions. [2020-12-01 17:21:35,891 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 242 transitions. [2020-12-01 17:21:35,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:21:35,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:21:37,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 146 states and 258 transitions. [2020-12-01 17:21:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 258 transitions. [2020-12-01 17:21:37,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:21:37,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:37,723 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:21:37,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:37,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 154 states and 270 transitions. [2020-12-01 17:21:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 270 transitions. [2020-12-01 17:21:37,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:21:37,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:38,674 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:21:43,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 167 states and 301 transitions. [2020-12-01 17:21:43,040 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 301 transitions. [2020-12-01 17:21:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:21:43,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:43,351 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:21:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 167 states and 293 transitions. [2020-12-01 17:21:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 293 transitions. [2020-12-01 17:21:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:21:45,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:21:45,235 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:21:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:21:45,346 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:21:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:21:45,666 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:21:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:21:45,795 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:21:47,963 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations. [2020-12-01 17:21:48,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:21:48 ImpRootNode [2020-12-01 17:21:48,223 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:21:48,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:21:48,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:21:48,225 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:21:48,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:21:25" (3/4) ... [2020-12-01 17:21:48,229 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:21:48,404 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1adb9a84-166d-40b2-855f-2915353875af/bin/ukojak/witness.graphml [2020-12-01 17:21:48,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:21:48,406 INFO L168 Benchmark]: Toolchain (without parser) took 26080.45 ms. Allocated memory was 96.5 MB in the beginning and 337.6 MB in the end (delta: 241.2 MB). Free memory was 66.9 MB in the beginning and 186.5 MB in the end (delta: -119.6 MB). Peak memory consumption was 122.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:48,406 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 96.5 MB. Free memory was 54.2 MB in the beginning and 54.2 MB in the end (delta: 13.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:21:48,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.31 ms. Allocated memory is still 96.5 MB. Free memory was 66.9 MB in the beginning and 63.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:48,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.13 ms. Allocated memory is still 96.5 MB. Free memory was 63.1 MB in the beginning and 60.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:48,408 INFO L168 Benchmark]: Boogie Preprocessor took 80.94 ms. Allocated memory is still 96.5 MB. Free memory was 60.5 MB in the beginning and 58.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:48,408 INFO L168 Benchmark]: RCFGBuilder took 1855.30 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 58.7 MB in the beginning and 83.3 MB in the end (delta: -24.6 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:48,409 INFO L168 Benchmark]: CodeCheck took 23131.05 ms. Allocated memory was 127.9 MB in the beginning and 337.6 MB in the end (delta: 209.7 MB). Free memory was 83.3 MB in the beginning and 206.4 MB in the end (delta: -123.0 MB). Peak memory consumption was 86.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:48,409 INFO L168 Benchmark]: Witness Printer took 179.82 ms. Allocated memory is still 337.6 MB. Free memory was 206.4 MB in the beginning and 186.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:21:48,411 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: 22.8s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 185608692 SDtfs, 70805314 SDslu, 129991100 SDs, 0 SdLazy, 156255078 SolverSat, 46453012 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7824 GetRequests, 7538 SyntacticMatches, 30 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28455 ImplicationChecksByTransitivity, 14.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 812 NumberOfCodeBlocks, 812 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 737 ConstructedInterpolants, 0 QuantifiedInterpolants, 69227 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 18 PerfectInterpolantSequences, 141/169 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: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L415] int waterLevel = 1; [L416] int methaneLevelCritical = 0; [L583] int pumpRunning = 0; [L584] int systemActive = 1; [L835] int cleanupTimeShifts = 4; [L908] int retValue_acc ; [L909] int tmp ; [L826] int retValue_acc ; [L829] retValue_acc = 1 [L830] return (retValue_acc); [L915] tmp = valid_product() [L917] COND TRUE \read(tmp) [L513] int splverifierCounter ; [L514] int tmp ; [L515] int tmp___0 ; [L516] int tmp___1 ; [L517] int tmp___2 ; [L520] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L524] COND TRUE splverifierCounter < 4 [L530] tmp = __VERIFIER_nondet_int() [L532] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] COND TRUE waterLevel < 2 [L434] waterLevel = waterLevel + 1 [L534] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L540] tmp___0 = __VERIFIER_nondet_int() [L542] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L550] tmp___2 = __VERIFIER_nondet_int() [L552] COND FALSE !(\read(tmp___2)) [L558] tmp___1 = __VERIFIER_nondet_int() [L560] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L567] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L591] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] COND TRUE \read(systemActive) [L620] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L623] COND TRUE ! pumpRunning [L735] int retValue_acc ; [L736] int tmp ; [L737] int tmp___0 ; [L495] int retValue_acc ; [L498] COND FALSE !(waterLevel < 2) [L502] retValue_acc = 0 [L503] return (retValue_acc); [L741] tmp = isHighWaterSensorDry() [L743] COND FALSE !(\read(tmp)) [L746] tmp___0 = 1 [L748] retValue_acc = tmp___0 [L749] return (retValue_acc); [L625] tmp = isHighWaterLevel() [L627] COND TRUE \read(tmp) [L654] int tmp ; [L679] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L683] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L683] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L683] retValue_acc = isMethaneLevelCritical() [L685] return (retValue_acc); [L658] tmp = isMethaneAlarm() [L660] COND FALSE !(\read(tmp)) [L648] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L772] int tmp ; [L773] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L777] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L777] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L777] tmp = isMethaneLevelCritical() [L779] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L567] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L522] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L524] COND TRUE splverifierCounter < 4 [L530] tmp = __VERIFIER_nondet_int() [L532] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L540] tmp___0 = __VERIFIER_nondet_int() [L542] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L544] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L445] COND FALSE !(\read(methaneLevelCritical)) [L448] methaneLevelCritical = 1 [L544] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L550] tmp___2 = __VERIFIER_nondet_int() [L552] COND TRUE \read(tmp___2) [L757] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L567] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L591] COND TRUE \read(pumpRunning) [L421] COND TRUE waterLevel > 0 [L422] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L598] COND TRUE \read(systemActive) [L620] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L623] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L638] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L772] int tmp ; [L773] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L777] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L777] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L777] tmp = isMethaneLevelCritical() [L779] COND TRUE \read(tmp) [L690] int retValue_acc ; [L693] retValue_acc = pumpRunning [L694] return (retValue_acc); [L781] tmp___0 = isPumpRunning() [L783] 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_product42.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 0.36 ms. Allocated memory is still 96.5 MB. Free memory was 54.2 MB in the beginning and 54.2 MB in the end (delta: 13.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 716.31 ms. Allocated memory is still 96.5 MB. Free memory was 66.9 MB in the beginning and 63.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.13 ms. Allocated memory is still 96.5 MB. Free memory was 63.1 MB in the beginning and 60.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.94 ms. Allocated memory is still 96.5 MB. Free memory was 60.5 MB in the beginning and 58.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1855.30 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 58.7 MB in the beginning and 83.3 MB in the end (delta: -24.6 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. * CodeCheck took 23131.05 ms. Allocated memory was 127.9 MB in the beginning and 337.6 MB in the end (delta: 209.7 MB). Free memory was 83.3 MB in the beginning and 206.4 MB in the end (delta: -123.0 MB). Peak memory consumption was 86.4 MB. Max. memory is 16.1 GB. * Witness Printer took 179.82 ms. Allocated memory is still 337.6 MB. Free memory was 206.4 MB in the beginning and 186.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...