./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.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_f756b409-a3f3-4a3b-a270-bac906ccbb11/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/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 5eed478f48f8cf940c15b323900b8556a7a21390 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:23:03,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:23:03,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:23:03,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:23:03,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:23:03,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:23:03,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:23:03,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:23:03,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:23:03,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:23:03,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:23:03,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:23:03,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:23:03,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:23:03,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:23:03,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:23:03,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:23:03,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:23:03,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:23:03,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:23:03,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:23:03,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:23:03,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:23:03,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:23:03,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:23:03,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:23:03,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:23:03,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:23:03,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:23:03,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:23:03,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:23:03,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:23:03,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:23:03,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:23:03,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:23:03,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:23:03,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:23:03,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:23:03,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:23:03,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:23:03,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:23:03,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 19:23:04,024 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:23:04,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:23:04,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 19:23:04,026 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 19:23:04,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:23:04,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:23:04,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:23:04,028 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:23:04,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:23:04,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:23:04,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:23:04,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:23:04,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:23:04,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:23:04,031 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:23:04,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:23:04,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:23:04,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:23:04,031 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 19:23:04,032 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 19:23:04,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:23:04,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:23:04,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:23:04,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:23:04,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:23:04,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:23:04,047 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 19:23:04,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:23:04,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:23:04,050 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_f756b409-a3f3-4a3b-a270-bac906ccbb11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eed478f48f8cf940c15b323900b8556a7a21390 [2020-11-29 19:23:04,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:23:04,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:23:04,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:23:04,389 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:23:04,390 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:23:04,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2020-11-29 19:23:04,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/bin/ukojak/data/1e2fee437/98b9ae58f5e4481ebbdc6300e2628451/FLAG17b3a2b1f [2020-11-29 19:23:05,088 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:23:05,089 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2020-11-29 19:23:05,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/bin/ukojak/data/1e2fee437/98b9ae58f5e4481ebbdc6300e2628451/FLAG17b3a2b1f [2020-11-29 19:23:05,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/bin/ukojak/data/1e2fee437/98b9ae58f5e4481ebbdc6300e2628451 [2020-11-29 19:23:05,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:23:05,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:23:05,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:23:05,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:23:05,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:23:05,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:23:05" (1/1) ... [2020-11-29 19:23:05,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e35ef5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:05, skipping insertion in model container [2020-11-29 19:23:05,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:23:05" (1/1) ... [2020-11-29 19:23:05,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:23:05,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:23:05,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:23:05,769 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:23:05,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:23:05,928 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:23:05,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:05 WrapperNode [2020-11-29 19:23:05,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:23:05,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:23:05,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:23:05,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:23:05,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:05" (1/1) ... [2020-11-29 19:23:05,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:05" (1/1) ... [2020-11-29 19:23:06,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:23:06,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:23:06,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:23:06,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:23:06,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:05" (1/1) ... [2020-11-29 19:23:06,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:05" (1/1) ... [2020-11-29 19:23:06,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:05" (1/1) ... [2020-11-29 19:23:06,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:05" (1/1) ... [2020-11-29 19:23:06,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:05" (1/1) ... [2020-11-29 19:23:06,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:05" (1/1) ... [2020-11-29 19:23:06,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:05" (1/1) ... [2020-11-29 19:23:06,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:23:06,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:23:06,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:23:06,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:23:06,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/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 [2020-11-29 19:23:06,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:23:06,214 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 19:23:06,215 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 19:23:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 19:23:06,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 19:23:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 19:23:06,216 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 19:23:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 19:23:06,217 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 19:23:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:23:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 19:23:06,218 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 19:23:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:23:06,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:23:07,986 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:23:07,987 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-29 19:23:07,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:23:07 BoogieIcfgContainer [2020-11-29 19:23:07,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:23:07,994 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 19:23:07,995 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 19:23:08,009 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 19:23:08,009 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:23:07" (1/1) ... [2020-11-29 19:23:08,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:23:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2020-11-29 19:23:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-11-29 19:23:08,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:23:08,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:08,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:08,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2020-11-29 19:23:08,496 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2020-11-29 19:23:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:23:08,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:08,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:08,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:08,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2020-11-29 19:23:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2020-11-29 19:23:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 19:23:08,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:08,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 53 states and 74 transitions. [2020-11-29 19:23:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 74 transitions. [2020-11-29 19:23:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:23:09,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:10,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:10,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 103 transitions. [2020-11-29 19:23:10,437 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2020-11-29 19:23:10,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:23:10,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:10,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:10,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2020-11-29 19:23:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2020-11-29 19:23:10,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 19:23:10,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:10,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:12,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 82 states and 139 transitions. [2020-11-29 19:23:12,397 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 139 transitions. [2020-11-29 19:23:12,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 19:23:12,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:12,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:12,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 87 states and 149 transitions. [2020-11-29 19:23:12,736 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 149 transitions. [2020-11-29 19:23:12,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:23:12,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 89 states and 149 transitions. [2020-11-29 19:23:12,988 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2020-11-29 19:23:12,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:23:12,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:23:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:13,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 95 states and 166 transitions. [2020-11-29 19:23:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 166 transitions. [2020-11-29 19:23:13,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 19:23:13,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:23:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 98 states and 173 transitions. [2020-11-29 19:23:13,655 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 173 transitions. [2020-11-29 19:23:13,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 19:23:13,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:23:13,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 100 states and 175 transitions. [2020-11-29 19:23:13,778 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 175 transitions. [2020-11-29 19:23:13,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 19:23:13,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:23:13,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:13,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 102 states and 178 transitions. [2020-11-29 19:23:13,940 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 178 transitions. [2020-11-29 19:23:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:23:13,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:13,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:23:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 103 states and 180 transitions. [2020-11-29 19:23:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 180 transitions. [2020-11-29 19:23:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 19:23:14,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:14,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:23:14,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:14,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 104 states and 180 transitions. [2020-11-29 19:23:14,150 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 180 transitions. [2020-11-29 19:23:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 19:23:14,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:14,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:14,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 109 states and 193 transitions. [2020-11-29 19:23:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 193 transitions. [2020-11-29 19:23:14,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 19:23:14,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:14,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:14,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 110 states and 194 transitions. [2020-11-29 19:23:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 194 transitions. [2020-11-29 19:23:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 19:23:14,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:14,632 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 19:23:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:15,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 114 states and 209 transitions. [2020-11-29 19:23:15,816 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 209 transitions. [2020-11-29 19:23:15,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 19:23:15,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 19:23:16,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:16,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 116 states and 213 transitions. [2020-11-29 19:23:16,283 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 213 transitions. [2020-11-29 19:23:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 19:23:16,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:16,634 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 121 states and 227 transitions. [2020-11-29 19:23:18,754 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 227 transitions. [2020-11-29 19:23:18,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 19:23:18,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:18,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:19,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:19,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 123 states and 231 transitions. [2020-11-29 19:23:19,440 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 231 transitions. [2020-11-29 19:23:19,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 19:23:19,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:23:20,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:20,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 123 states and 230 transitions. [2020-11-29 19:23:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 230 transitions. [2020-11-29 19:23:20,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 19:23:20,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:23,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:23,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 127 states and 239 transitions. [2020-11-29 19:23:23,039 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 239 transitions. [2020-11-29 19:23:23,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 19:23:23,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 128 states and 238 transitions. [2020-11-29 19:23:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 238 transitions. [2020-11-29 19:23:23,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 19:23:23,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:23,767 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-29 19:23:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 129 states and 238 transitions. [2020-11-29 19:23:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 238 transitions. [2020-11-29 19:23:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 19:23:23,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:23,983 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:23:24,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:24,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 131 states and 248 transitions. [2020-11-29 19:23:24,620 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 248 transitions. [2020-11-29 19:23:24,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 19:23:24,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:24,664 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 19:23:25,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 133 states and 248 transitions. [2020-11-29 19:23:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 248 transitions. [2020-11-29 19:23:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 19:23:25,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:25,348 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 19:23:25,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:25,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 137 states and 256 transitions. [2020-11-29 19:23:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 256 transitions. [2020-11-29 19:23:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 19:23:25,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:23:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:25,648 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-29 19:23:26,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:23:26,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 54 states and 76 transitions. [2020-11-29 19:23:26,468 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2020-11-29 19:23:26,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:23:26,469 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2020-11-29 19:23:26,476 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 19:23:26,817 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-11-29 19:23:26,830 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:26,831 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:26,831 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:26,831 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:26,832 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 19:23:26,835 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:26,835 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:26,835 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2020-11-29 19:23:26,837 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:26,837 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:26,837 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 19:23:26,838 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:23:26,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 07:23:26 ImpRootNode [2020-11-29 19:23:26,839 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 19:23:26,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:23:26,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:23:26,840 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:23:26,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:23:07" (3/4) ... [2020-11-29 19:23:26,845 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:23:26,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 19:23:26,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 19:23:26,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 19:23:26,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 19:23:26,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 19:23:26,862 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-29 19:23:26,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 19:23:26,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 19:23:26,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 19:23:26,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 19:23:26,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:23:26,866 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:23:26,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || 0 == systemActive [2020-11-29 19:23:26,901 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0) [2020-11-29 19:23:26,903 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(waterLevel) == tmp) || \old(waterLevel) == waterLevel) || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || 0 == systemActive [2020-11-29 19:23:26,961 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f756b409-a3f3-4a3b-a270-bac906ccbb11/bin/ukojak/witness.graphml [2020-11-29 19:23:26,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:23:26,963 INFO L168 Benchmark]: Toolchain (without parser) took 21600.52 ms. Allocated memory was 115.3 MB in the beginning and 281.0 MB in the end (delta: 165.7 MB). Free memory was 94.9 MB in the beginning and 147.0 MB in the end (delta: -52.1 MB). Peak memory consumption was 112.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:26,964 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 77.6 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:23:26,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.62 ms. Allocated memory is still 115.3 MB. Free memory was 94.9 MB in the beginning and 75.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:26,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.96 ms. Allocated memory is still 115.3 MB. Free memory was 75.0 MB in the beginning and 72.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:26,966 INFO L168 Benchmark]: Boogie Preprocessor took 74.64 ms. Allocated memory is still 115.3 MB. Free memory was 72.5 MB in the beginning and 70.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:26,966 INFO L168 Benchmark]: RCFGBuilder took 1870.52 ms. Allocated memory is still 115.3 MB. Free memory was 70.4 MB in the beginning and 50.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:26,967 INFO L168 Benchmark]: CodeCheck took 18844.91 ms. Allocated memory was 115.3 MB in the beginning and 281.0 MB in the end (delta: 165.7 MB). Free memory was 50.7 MB in the beginning and 152.2 MB in the end (delta: -101.5 MB). Peak memory consumption was 63.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:26,968 INFO L168 Benchmark]: Witness Printer took 121.29 ms. Allocated memory is still 281.0 MB. Free memory was 152.2 MB in the beginning and 147.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:26,971 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 6 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.4s, OverallIterations: 29, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 785595744 SDtfs, -2104175252 SDslu, -276678888 SDs, 0 SdLazy, 70559984 SolverSat, 1398449856 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9798 GetRequests, 9465 SyntacticMatches, 107 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25457 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 914 NumberOfCodeBlocks, 914 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 886 ConstructedInterpolants, 0 QuantifiedInterpolants, 108875 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 291/344 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == tmp) || \old(waterLevel) == waterLevel) || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 77.6 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 564.62 ms. Allocated memory is still 115.3 MB. Free memory was 94.9 MB in the beginning and 75.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.96 ms. Allocated memory is still 115.3 MB. Free memory was 75.0 MB in the beginning and 72.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.64 ms. Allocated memory is still 115.3 MB. Free memory was 72.5 MB in the beginning and 70.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1870.52 ms. Allocated memory is still 115.3 MB. Free memory was 70.4 MB in the beginning and 50.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. * CodeCheck took 18844.91 ms. Allocated memory was 115.3 MB in the beginning and 281.0 MB in the end (delta: 165.7 MB). Free memory was 50.7 MB in the beginning and 152.2 MB in the end (delta: -101.5 MB). Peak memory consumption was 63.8 MB. Max. memory is 16.1 GB. * Witness Printer took 121.29 ms. Allocated memory is still 281.0 MB. Free memory was 152.2 MB in the beginning and 147.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...