./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16cd8401275d965058442f4c39d1da335e2aa9f4 ................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/bin/ukojak/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-03 11:04:03,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 11:04:03,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 11:04:03,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 11:04:03,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 11:04:03,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 11:04:03,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 11:04:03,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 11:04:03,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 11:04:03,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 11:04:03,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 11:04:03,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 11:04:03,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 11:04:03,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 11:04:03,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 11:04:03,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 11:04:03,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 11:04:03,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 11:04:03,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 11:04:03,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 11:04:03,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 11:04:03,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 11:04:03,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 11:04:03,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 11:04:03,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 11:04:03,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 11:04:03,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 11:04:03,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 11:04:03,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 11:04:03,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 11:04:03,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 11:04:03,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 11:04:03,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 11:04:03,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 11:04:03,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 11:04:03,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 11:04:03,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 11:04:03,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 11:04:03,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 11:04:03,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 11:04:03,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 11:04:03,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-12-03 11:04:04,020 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 11:04:04,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 11:04:04,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 11:04:04,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-03 11:04:04,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 11:04:04,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 11:04:04,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 11:04:04,023 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 11:04:04,023 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 11:04:04,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 11:04:04,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 11:04:04,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 11:04:04,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 11:04:04,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 11:04:04,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 11:04:04,025 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 11:04:04,025 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 11:04:04,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 11:04:04,025 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 11:04:04,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 11:04:04,026 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-03 11:04:04,026 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-03 11:04:04,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 11:04:04,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-03 11:04:04,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 11:04:04,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 11:04:04,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 11:04:04,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 11:04:04,028 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-03 11:04:04,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 11:04:04,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 11:04:04,029 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_855096e1-41f8-4ba4-af40-aa927c522e66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16cd8401275d965058442f4c39d1da335e2aa9f4 [2020-12-03 11:04:04,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 11:04:04,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 11:04:04,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 11:04:04,313 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 11:04:04,314 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 11:04:04,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/bin/ukojak/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2020-12-03 11:04:04,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/bin/ukojak/data/16547832f/2e7e22a7da36493ea28c32a13db9ec03/FLAG8e1c1f5b7 [2020-12-03 11:04:04,969 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 11:04:04,969 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2020-12-03 11:04:04,977 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/bin/ukojak/data/16547832f/2e7e22a7da36493ea28c32a13db9ec03/FLAG8e1c1f5b7 [2020-12-03 11:04:05,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/bin/ukojak/data/16547832f/2e7e22a7da36493ea28c32a13db9ec03 [2020-12-03 11:04:05,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 11:04:05,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 11:04:05,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 11:04:05,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 11:04:05,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 11:04:05,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:04:05" (1/1) ... [2020-12-03 11:04:05,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@227d2f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:04:05, skipping insertion in model container [2020-12-03 11:04:05,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:04:05" (1/1) ... [2020-12-03 11:04:05,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 11:04:05,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 11:04:05,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:04:05,591 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 11:04:05,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:04:05,649 INFO L208 MainTranslator]: Completed translation [2020-12-03 11:04:05,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:04:05 WrapperNode [2020-12-03 11:04:05,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 11:04:05,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 11:04:05,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 11:04:05,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 11:04:05,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:04:05" (1/1) ... [2020-12-03 11:04:05,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:04:05" (1/1) ... [2020-12-03 11:04:05,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 11:04:05,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 11:04:05,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 11:04:05,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 11:04:05,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:04:05" (1/1) ... [2020-12-03 11:04:05,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:04:05" (1/1) ... [2020-12-03 11:04:05,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:04:05" (1/1) ... [2020-12-03 11:04:05,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:04:05" (1/1) ... [2020-12-03 11:04:05,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:04:05" (1/1) ... [2020-12-03 11:04:05,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:04:05" (1/1) ... [2020-12-03 11:04:05,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:04:05" (1/1) ... [2020-12-03 11:04:05,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 11:04:05,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 11:04:05,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 11:04:05,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 11:04:05,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:04:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_855096e1-41f8-4ba4-af40-aa927c522e66/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 [2020-12-03 11:04:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 11:04:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 11:04:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2020-12-03 11:04:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2020-12-03 11:04:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 11:04:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 11:04:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2020-12-03 11:04:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2020-12-03 11:04:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-03 11:04:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-03 11:04:06,510 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 11:04:06,513 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-03 11:04:06,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:04:06 BoogieIcfgContainer [2020-12-03 11:04:06,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 11:04:06,517 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-03 11:04:06,517 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-03 11:04:06,527 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-03 11:04:06,527 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:04:06" (1/1) ... [2020-12-03 11:04:06,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 11:04:06,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:06,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 78 states and 94 transitions. [2020-12-03 11:04:06,590 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2020-12-03 11:04:06,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-03 11:04:06,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:06,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:04:06,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 78 states and 92 transitions. [2020-12-03 11:04:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions. [2020-12-03 11:04:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-03 11:04:06,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:04:06,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 84 states and 103 transitions. [2020-12-03 11:04:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2020-12-03 11:04:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-03 11:04:06,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:04:07,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:07,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2020-12-03 11:04:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2020-12-03 11:04:07,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-03 11:04:07,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:07,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:04:07,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:07,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 90 states and 112 transitions. [2020-12-03 11:04:07,108 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2020-12-03 11:04:07,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-03 11:04:07,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:04:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 91 states and 113 transitions. [2020-12-03 11:04:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 113 transitions. [2020-12-03 11:04:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-03 11:04:07,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:07,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:04:07,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:07,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 92 states and 114 transitions. [2020-12-03 11:04:07,255 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2020-12-03 11:04:07,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-03 11:04:07,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:04:07,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:07,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 93 states and 115 transitions. [2020-12-03 11:04:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 115 transitions. [2020-12-03 11:04:07,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 11:04:07,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:04:07,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:07,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 95 states and 119 transitions. [2020-12-03 11:04:07,559 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2020-12-03 11:04:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-03 11:04:07,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:07,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:04:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 101 states and 129 transitions. [2020-12-03 11:04:07,846 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2020-12-03 11:04:07,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-03 11:04:07,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:07,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-03 11:04:07,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 100 states and 128 transitions. [2020-12-03 11:04:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2020-12-03 11:04:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-03 11:04:07,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:04:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:08,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 104 states and 135 transitions. [2020-12-03 11:04:08,062 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2020-12-03 11:04:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-03 11:04:08,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-03 11:04:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:08,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 103 states and 134 transitions. [2020-12-03 11:04:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 134 transitions. [2020-12-03 11:04:08,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-03 11:04:08,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:04:08,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:08,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 111 states and 147 transitions. [2020-12-03 11:04:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 147 transitions. [2020-12-03 11:04:08,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-03 11:04:08,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:04:08,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:04:08,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:04:08,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 114 states and 151 transitions. [2020-12-03 11:04:08,943 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 151 transitions. [2020-12-03 11:04:08,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-03 11:04:08,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:04:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:04:08,963 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:04:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:04:08,975 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:04:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:04:09,026 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:04:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:04:09,039 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:04:09,152 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2020-12-03 11:04:09,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 11:04:09 ImpRootNode [2020-12-03 11:04:09,189 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-03 11:04:09,189 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 11:04:09,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 11:04:09,190 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 11:04:09,191 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:04:06" (3/4) ... [2020-12-03 11:04:09,194 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-03 11:04:09,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 11:04:09,196 INFO L168 Benchmark]: Toolchain (without parser) took 3881.16 ms. Allocated memory was 90.2 MB in the beginning and 138.4 MB in the end (delta: 48.2 MB). Free memory was 60.1 MB in the beginning and 85.8 MB in the end (delta: -25.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:04:09,197 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory was 47.1 MB in the beginning and 47.0 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:04:09,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.40 ms. Allocated memory is still 90.2 MB. Free memory was 59.9 MB in the beginning and 65.1 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 11:04:09,199 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.29 ms. Allocated memory is still 90.2 MB. Free memory was 65.1 MB in the beginning and 63.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:04:09,200 INFO L168 Benchmark]: Boogie Preprocessor took 29.68 ms. Allocated memory is still 90.2 MB. Free memory was 63.2 MB in the beginning and 61.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:04:09,201 INFO L168 Benchmark]: RCFGBuilder took 794.39 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 61.8 MB in the beginning and 76.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-03 11:04:09,202 INFO L168 Benchmark]: CodeCheck took 2671.96 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 76.2 MB in the beginning and 85.8 MB in the end (delta: -9.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-12-03 11:04:09,203 INFO L168 Benchmark]: Witness Printer took 5.18 ms. Allocated memory is still 138.4 MB. Free memory is still 85.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:04:09,207 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 4 procedures, 78 locations, 20 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.6s, OverallIterations: 15, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 250896 SDtfs, 111078 SDslu, 103956 SDs, 0 SdLazy, 199952 SolverSat, 54894 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1417 GetRequests, 1350 SyntacticMatches, 15 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 4501 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 12/12 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 - UnprovableResult [Line: 73]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 72. Possible FailurePath: [L222] unsigned int a ; [L223] unsigned int ma = __VERIFIER_nondet_uint(); [L224] signed char ea = __VERIFIER_nondet_char(); [L225] unsigned int b ; [L226] unsigned int mb = __VERIFIER_nondet_uint(); [L227] signed char eb = __VERIFIER_nondet_char(); [L228] unsigned int r_add1 ; [L229] unsigned int r_add2 ; [L230] unsigned int zero ; [L231] int tmp ; [L232] int tmp___0 ; [L233] int __retres14 ; [L237] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L21] unsigned int res ; [L22] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L25] COND TRUE ! m [L26] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L76] return (__retres4); [L237] RET, EXPR base2flt(0, 0) [L237] zero = base2flt(0, 0) [L238] CALL base2flt(ma, ea) VAL [\old(e)=127, \old(m)=16777216] [L21] unsigned int res ; [L22] unsigned int __retres4 ; VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L25] COND FALSE !(! m) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L31] COND FALSE !(m < 1U << 24U) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L53] COND TRUE 1 VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L55] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L72] m = m & ~ (1U << 24U) VAL [\old(e)=127, \old(m)=16777216, e=127] [L73] EXPR e + 128 VAL [\old(e)=127, \old(m)=16777216, e=127] [L73] (e + 128) << 24U VAL [\old(e)=127, \old(m)=16777216, e=127] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory was 47.1 MB in the beginning and 47.0 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 329.40 ms. Allocated memory is still 90.2 MB. Free memory was 59.9 MB in the beginning and 65.1 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.29 ms. Allocated memory is still 90.2 MB. Free memory was 65.1 MB in the beginning and 63.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.68 ms. Allocated memory is still 90.2 MB. Free memory was 63.2 MB in the beginning and 61.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 794.39 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 61.8 MB in the beginning and 76.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 2671.96 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 76.2 MB in the beginning and 85.8 MB in the end (delta: -9.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.18 ms. Allocated memory is still 138.4 MB. Free memory is still 85.8 MB. There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...