./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero2_true-valid-memsafety_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero2_true-valid-memsafety_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0ea593d74670c91cacf864f376c3b9b3ea0d491 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:30:10,217 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:30:10,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:30:10,228 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:30:10,228 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:30:10,229 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:30:10,229 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:30:10,230 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:30:10,232 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:30:10,232 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:30:10,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:30:10,233 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:30:10,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:30:10,235 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:30:10,235 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:30:10,236 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:30:10,236 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:30:10,238 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:30:10,239 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:30:10,241 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:30:10,242 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:30:10,242 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:30:10,244 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:30:10,244 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:30:10,244 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:30:10,245 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:30:10,246 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:30:10,247 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:30:10,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:30:10,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:30:10,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:30:10,249 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:30:10,249 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:30:10,249 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:30:10,250 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:30:10,251 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:30:10,251 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-11-10 04:30:10,261 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:30:10,261 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:30:10,262 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:30:10,263 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:30:10,263 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:30:10,263 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:30:10,263 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 04:30:10,263 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:30:10,263 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:30:10,263 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:30:10,264 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 04:30:10,264 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 04:30:10,264 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 04:30:10,264 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:30:10,264 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:30:10,264 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:30:10,266 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:30:10,266 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:30:10,266 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:30:10,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:30:10,266 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:30:10,266 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:30:10,267 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:30:10,267 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:30:10,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> c0ea593d74670c91cacf864f376c3b9b3ea0d491 [2018-11-10 04:30:10,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:30:10,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:30:10,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:30:10,303 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:30:10,303 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:30:10,304 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/ukojak/../../sv-benchmarks/c/ldv-memsafety/memsetNonZero2_true-valid-memsafety_true-termination.c [2018-11-10 04:30:10,339 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/ukojak/data/d368a1783/df8da9f40ea14a6a8637c0d46605b29f/FLAG8f62bb525 [2018-11-10 04:30:10,746 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:30:10,746 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/sv-benchmarks/c/ldv-memsafety/memsetNonZero2_true-valid-memsafety_true-termination.c [2018-11-10 04:30:10,750 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/ukojak/data/d368a1783/df8da9f40ea14a6a8637c0d46605b29f/FLAG8f62bb525 [2018-11-10 04:30:10,760 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/ukojak/data/d368a1783/df8da9f40ea14a6a8637c0d46605b29f [2018-11-10 04:30:10,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:30:10,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:30:10,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:30:10,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:30:10,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:30:10,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:30:10" (1/1) ... [2018-11-10 04:30:10,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79717f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:10, skipping insertion in model container [2018-11-10 04:30:10,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:30:10" (1/1) ... [2018-11-10 04:30:10,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:30:10,787 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:30:10,878 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:30:10,883 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:30:10,892 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:30:10,901 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:30:10,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:10 WrapperNode [2018-11-10 04:30:10,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:30:10,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:30:10,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:30:10,902 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:30:10,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:10" (1/1) ... [2018-11-10 04:30:10,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:10" (1/1) ... [2018-11-10 04:30:10,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:30:10,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:30:10,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:30:10,933 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:30:10,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:10" (1/1) ... [2018-11-10 04:30:10,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:10" (1/1) ... [2018-11-10 04:30:10,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:10" (1/1) ... [2018-11-10 04:30:10,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:10" (1/1) ... [2018-11-10 04:30:10,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:10" (1/1) ... [2018-11-10 04:30:10,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:10" (1/1) ... [2018-11-10 04:30:10,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:10" (1/1) ... [2018-11-10 04:30:10,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:30:10,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:30:10,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:30:10,949 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:30:10,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/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 [2018-11-10 04:30:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:30:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:30:11,178 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:30:11,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:30:11 BoogieIcfgContainer [2018-11-10 04:30:11,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:30:11,179 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:30:11,179 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:30:11,188 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:30:11,188 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:30:11" (1/1) ... [2018-11-10 04:30:11,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:30:11,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:11,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-10 04:30:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-10 04:30:11,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-11-10 04:30:11,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:11,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-11-10 04:30:11,383 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-11-10 04:30:11,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 04:30:11,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:11,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-11-10 04:30:11,512 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-11-10 04:30:11,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 04:30:11,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:11,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:11,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:11,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-11-10 04:30:11,769 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-11-10 04:30:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 04:30:11,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:11,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:11,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:11,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 04:30:11,869 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 04:30:11,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:30:11,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:11,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:11,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-11-10 04:30:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-11-10 04:30:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:30:11,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:12,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-11-10 04:30:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-11-10 04:30:12,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:30:12,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:12,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:12,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2018-11-10 04:30:12,191 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-11-10 04:30:12,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:30:12,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:12,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:12,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-10 04:30:12,293 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-10 04:30:12,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:30:12,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:12,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 04:30:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 04:30:12,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 04:30:12,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:12,440 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:12,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:12,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-11-10 04:30:12,529 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-10 04:30:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 04:30:12,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:12,572 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:12,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-11-10 04:30:12,643 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-10 04:30:12,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 04:30:12,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:12,682 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-11-10 04:30:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-11-10 04:30:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 04:30:12,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:12,830 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-11-10 04:30:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-10 04:30:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:30:12,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:13,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2018-11-10 04:30:13,051 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2018-11-10 04:30:13,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 04:30:13,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:13,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2018-11-10 04:30:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-10 04:30:13,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 04:30:13,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:13,242 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2018-11-10 04:30:13,336 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-11-10 04:30:13,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 04:30:13,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:13,396 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:13,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:13,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2018-11-10 04:30:13,500 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-11-10 04:30:13,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 04:30:13,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:13,542 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:13,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:13,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2018-11-10 04:30:13,631 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2018-11-10 04:30:13,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 04:30:13,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:13,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:13,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2018-11-10 04:30:13,809 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2018-11-10 04:30:13,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:30:13,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:13,871 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:13,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2018-11-10 04:30:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-11-10 04:30:13,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 04:30:13,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:14,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2018-11-10 04:30:14,161 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-11-10 04:30:14,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 04:30:14,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:14,225 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:14,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2018-11-10 04:30:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2018-11-10 04:30:14,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:30:14,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:14,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:14,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2018-11-10 04:30:14,591 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-11-10 04:30:14,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 04:30:14,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:14,668 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:14,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:14,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2018-11-10 04:30:14,829 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2018-11-10 04:30:14,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 04:30:14,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:14,921 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:15,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2018-11-10 04:30:15,057 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2018-11-10 04:30:15,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 04:30:15,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:15,109 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:15,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:15,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2018-11-10 04:30:15,222 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2018-11-10 04:30:15,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 04:30:15,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:15,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:15,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2018-11-10 04:30:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-11-10 04:30:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 04:30:15,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:15,500 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:15,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:15,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2018-11-10 04:30:15,630 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-11-10 04:30:15,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:30:15,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:15,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2018-11-10 04:30:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-11-10 04:30:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 04:30:15,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:15,908 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:16,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:16,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2018-11-10 04:30:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-11-10 04:30:16,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 04:30:16,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:16,090 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:16,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:16,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2018-11-10 04:30:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-11-10 04:30:16,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 04:30:16,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:16,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 37 states and 39 transitions. [2018-11-10 04:30:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-11-10 04:30:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 04:30:16,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:16,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 38 states and 40 transitions. [2018-11-10 04:30:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2018-11-10 04:30:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 04:30:16,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:16,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:16,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 39 states and 41 transitions. [2018-11-10 04:30:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-11-10 04:30:16,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:30:16,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:17,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:17,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 40 states and 42 transitions. [2018-11-10 04:30:17,059 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2018-11-10 04:30:17,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 04:30:17,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:17,131 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:17,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:17,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 41 states and 43 transitions. [2018-11-10 04:30:17,273 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-11-10 04:30:17,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 04:30:17,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:17,345 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 42 states and 44 transitions. [2018-11-10 04:30:17,474 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2018-11-10 04:30:17,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 04:30:17,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:17,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:17,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2018-11-10 04:30:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-11-10 04:30:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 04:30:17,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:17,770 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:17,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 44 states and 46 transitions. [2018-11-10 04:30:17,926 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-11-10 04:30:17,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 04:30:17,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 45 states and 47 transitions. [2018-11-10 04:30:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-11-10 04:30:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 04:30:18,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:18,261 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:18,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:18,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 46 states and 48 transitions. [2018-11-10 04:30:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2018-11-10 04:30:18,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 04:30:18,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:30:18,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-11-10 04:30:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-11-10 04:30:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 04:30:18,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:30:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:30:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2018-11-10 04:30:27,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:30:27,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2018-11-10 04:30:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-11-10 04:30:27,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:30:27,238 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2018-11-10 04:30:27,244 INFO L778 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2018-11-10 04:30:27,329 INFO L582 CodeCheckObserver]: Invariant with dag size 6 [2018-11-10 04:30:27,332 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 04:30:27,336 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 04:30:27,336 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 04:30:27,336 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 04:30:27,337 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 04:30:27,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:30:27 ImpRootNode [2018-11-10 04:30:27,337 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:30:27,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:30:27,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:30:27,338 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:30:27,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:30:11" (3/4) ... [2018-11-10 04:30:27,341 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:30:27,347 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-10 04:30:27,347 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-10 04:30:27,347 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 04:30:27,347 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 04:30:27,365 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid[cstats := 0] [2018-11-10 04:30:27,365 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-11-10 04:30:27,373 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_688edadf-db4b-46d8-89c1-f7a5199698a7/bin-2019/ukojak/witness.graphml [2018-11-10 04:30:27,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:30:27,373 INFO L168 Benchmark]: Toolchain (without parser) took 16610.61 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 483.4 MB). Free memory was 953.1 MB in the beginning and 1.0 GB in the end (delta: -80.4 MB). Peak memory consumption was 403.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:27,374 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:30:27,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.16 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:27,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.06 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:30:27,375 INFO L168 Benchmark]: Boogie Preprocessor took 16.41 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:27,376 INFO L168 Benchmark]: RCFGBuilder took 229.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -212.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:27,376 INFO L168 Benchmark]: CodeCheck took 16158.53 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 313.5 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 118.3 MB). Peak memory consumption was 431.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:27,378 INFO L168 Benchmark]: Witness Printer took 35.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 205.7 kB). Peak memory consumption was 205.7 kB. Max. memory is 11.5 GB. [2018-11-10 04:30:27,381 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 3 error locations. SAFE Result, 16.0s OverallTime, 44 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 650 SolverSat, 166 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10846 GetRequests, 9636 SyntacticMatches, 858 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51854 ImplicationChecksByTransitivity, 14.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1030 NumberOfCodeBlocks, 1030 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 987 ConstructedInterpolants, 0 QuantifiedInterpolants, 142985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 4 PerfectInterpolantSequences, 820/11480 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant [2018-11-10 04:30:27,382 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 04:30:27,382 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid[cstats := 0] - InvariantResult [Line: 20]: Loop Invariant [2018-11-10 04:30:27,383 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 04:30:27,383 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.16 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.06 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.41 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 229.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -212.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * CodeCheck took 16158.53 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 313.5 MB). Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 118.3 MB). Peak memory consumption was 431.8 MB. Max. memory is 11.5 GB. * Witness Printer took 35.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 205.7 kB). Peak memory consumption was 205.7 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...