./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr_false-unreach-call_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr_false-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce077c63676f801e14160b963d91b2f98c313404 .......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:31:29,232 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:31:29,233 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:31:29,240 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:31:29,240 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:31:29,241 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:31:29,242 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:31:29,243 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:31:29,244 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:31:29,244 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:31:29,245 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:31:29,245 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:31:29,246 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:31:29,246 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:31:29,247 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:31:29,248 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:31:29,248 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:31:29,250 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:31:29,251 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:31:29,252 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:31:29,253 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:31:29,254 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:31:29,255 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:31:29,255 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:31:29,256 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:31:29,256 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:31:29,257 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:31:29,257 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:31:29,258 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:31:29,259 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:31:29,259 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:31:29,259 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:31:29,260 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:31:29,260 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:31:29,260 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:31:29,261 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:31:29,261 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:31:29,271 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:31:29,271 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:31:29,272 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:31:29,272 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:31:29,272 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:31:29,273 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:31:29,273 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:31:29,273 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:31:29,273 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:31:29,273 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:31:29,273 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:31:29,273 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:31:29,274 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:31:29,274 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:31:29,274 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:31:29,274 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:31:29,274 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:31:29,274 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:31:29,274 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:31:29,274 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:31:29,275 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:31:29,275 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:31:29,275 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:31:29,275 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:31:29,275 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:31:29,275 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:31:29,275 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:31:29,276 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:31:29,276 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:31:29,276 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_7d342be3-98d2-4a8b-8449-1ec6757919b6/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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce077c63676f801e14160b963d91b2f98c313404 [2018-11-18 17:31:29,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:31:29,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:31:29,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:31:29,309 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:31:29,309 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:31:29,310 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/bin-2019/ukojak/../../sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr_false-unreach-call_false-termination.i [2018-11-18 17:31:29,345 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/bin-2019/ukojak/data/f8f2eb839/c6c3fba2737446888c961a2048447ed1/FLAG0956607a0 [2018-11-18 17:31:29,717 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:31:29,717 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/sv-benchmarks/c/list-ext2-properties/list_and_tree_cnstr_false-unreach-call_false-termination.i [2018-11-18 17:31:29,727 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/bin-2019/ukojak/data/f8f2eb839/c6c3fba2737446888c961a2048447ed1/FLAG0956607a0 [2018-11-18 17:31:30,103 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/bin-2019/ukojak/data/f8f2eb839/c6c3fba2737446888c961a2048447ed1 [2018-11-18 17:31:30,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:31:30,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:31:30,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:31:30,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:31:30,108 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:31:30,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:31:30" (1/1) ... [2018-11-18 17:31:30,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f3464b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:31:30, skipping insertion in model container [2018-11-18 17:31:30,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:31:30" (1/1) ... [2018-11-18 17:31:30,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:31:30,147 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:31:30,331 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:31:30,338 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:31:30,374 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:31:30,451 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:31:30,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:31:30 WrapperNode [2018-11-18 17:31:30,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:31:30,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:31:30,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:31:30,452 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:31:30,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:31:30" (1/1) ... [2018-11-18 17:31:30,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:31:30" (1/1) ... [2018-11-18 17:31:30,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:31:30,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:31:30,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:31:30,482 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:31:30,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:31:30" (1/1) ... [2018-11-18 17:31:30,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:31:30" (1/1) ... [2018-11-18 17:31:30,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:31:30" (1/1) ... [2018-11-18 17:31:30,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:31:30" (1/1) ... [2018-11-18 17:31:30,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:31:30" (1/1) ... [2018-11-18 17:31:30,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:31:30" (1/1) ... [2018-11-18 17:31:30,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:31:30" (1/1) ... [2018-11-18 17:31:30,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:31:30,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:31:30,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:31:30,501 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:31:30,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:31:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/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 [2018-11-18 17:31:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:31:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:31:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:31:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure exit [2018-11-18 17:31:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 17:31:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 17:31:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 17:31:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:31:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:31:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:31:31,024 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:31:31,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:31:31 BoogieIcfgContainer [2018-11-18 17:31:31,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:31:31,026 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:31:31,026 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:31:31,032 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:31:31,032 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:31:31" (1/1) ... [2018-11-18 17:31:31,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:31:31,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:31,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2018-11-18 17:31:31,062 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2018-11-18 17:31:31,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 17:31:31,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:31:31,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2018-11-18 17:31:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2018-11-18 17:31:31,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:31:31,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:31,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:31:31,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2018-11-18 17:31:31,246 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2018-11-18 17:31:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:31:31,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:31,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:31:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:31,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2018-11-18 17:31:31,268 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2018-11-18 17:31:31,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:31:31,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:31,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:31:31,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:31,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2018-11-18 17:31:31,291 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2018-11-18 17:31:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:31:31,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:31:31,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:31,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2018-11-18 17:31:31,343 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-11-18 17:31:31,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:31:31,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:31,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:31:31,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 52 states and 72 transitions. [2018-11-18 17:31:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2018-11-18 17:31:31,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 17:31:31,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:31,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:31:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:31,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2018-11-18 17:31:31,692 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2018-11-18 17:31:31,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 17:31:31,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:31:31,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:31,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2018-11-18 17:31:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2018-11-18 17:31:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 17:31:31,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:31,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:31:32,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:32,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2018-11-18 17:31:32,352 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2018-11-18 17:31:32,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 17:31:32,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:31:32,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:32,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 74 states and 110 transitions. [2018-11-18 17:31:32,818 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2018-11-18 17:31:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 17:31:32,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:33,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:31:34,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 95 states and 148 transitions. [2018-11-18 17:31:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2018-11-18 17:31:34,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 17:31:34,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:34,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:31:34,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:34,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 104 states and 167 transitions. [2018-11-18 17:31:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2018-11-18 17:31:34,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 17:31:34,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:35,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:31:35,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:35,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 106 states and 176 transitions. [2018-11-18 17:31:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2018-11-18 17:31:35,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 17:31:35,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:35,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:31:35,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:35,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 184 transitions. [2018-11-18 17:31:35,781 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2018-11-18 17:31:35,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 17:31:35,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:31:36,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:36,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 110 states and 193 transitions. [2018-11-18 17:31:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 193 transitions. [2018-11-18 17:31:36,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 17:31:36,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:31:36,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:31:38,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:31:38,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 123 states and 227 transitions. [2018-11-18 17:31:38,674 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 227 transitions. [2018-11-18 17:31:38,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 17:31:38,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:31:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:31:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:31:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:31:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:31:38,843 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2018-11-18 17:31:38,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:31:38 ImpRootNode [2018-11-18 17:31:38,880 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:31:38,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:31:38,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:31:38,881 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:31:38,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:31:31" (3/4) ... [2018-11-18 17:31:38,884 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 17:31:38,940 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7d342be3-98d2-4a8b-8449-1ec6757919b6/bin-2019/ukojak/witness.graphml [2018-11-18 17:31:38,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:31:38,941 INFO L168 Benchmark]: Toolchain (without parser) took 8835.75 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 380.1 MB). Free memory was 955.5 MB in the beginning and 961.3 MB in the end (delta: -5.8 MB). Peak memory consumption was 374.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:31:38,942 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:31:38,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:31:38,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:31:38,944 INFO L168 Benchmark]: Boogie Preprocessor took 19.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:31:38,944 INFO L168 Benchmark]: RCFGBuilder took 523.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:31:38,944 INFO L168 Benchmark]: CodeCheck took 7854.59 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.9 MB). Free memory was 1.1 GB in the beginning and 971.2 MB in the end (delta: 101.3 MB). Peak memory consumption was 325.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:31:38,945 INFO L168 Benchmark]: Witness Printer took 60.06 ms. Allocated memory is still 1.4 GB. Free memory was 971.2 MB in the beginning and 961.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:31:38,949 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 2 procedures, 62 locations, 1 error locations. UNSAFE Result, 7.7s OverallTime, 17 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1392896 SDtfs, 345464 SDslu, 406132 SDs, 0 SdLazy, 391014 SolverSat, 89822 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3648 GetRequests, 3384 SyntacticMatches, 92 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12435 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 492 NumberOfCodeBlocks, 492 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 440 ConstructedInterpolants, 0 QuantifiedInterpolants, 92648 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 26/74 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 - CounterExampleResult [Line: 609]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L541] EXPR, FCALL malloc(sizeof(*root)) [L541] struct TreeNode* root = malloc(sizeof(*root)), *n; [L542] FCALL root->left = ((void *)0) [L543] FCALL root->right = ((void *)0) [L544] COND FALSE !(__VERIFIER_nondet_int()) [L563] n = ((void *)0) [L564] struct TreeNode* pred; [L565] COND TRUE \read(*root) [L566] pred = ((void *)0) [L567] n = root [L568] EXPR, FCALL n->left [L568] n->left || n->right [L568] EXPR, FCALL n->right [L568] n->left || n->right [L568] COND FALSE !(n->left || n->right) [L575] COND FALSE !(\read(*pred)) [L581] root = ((void *)0) [L582] FCALL free(n) [L565] COND FALSE !(\read(*root)) [L584] EXPR, FCALL malloc(sizeof(struct node)) [L584] List a = (List) malloc(sizeof(struct node)); [L585] COND FALSE !(a == 0) [L586] List t; [L587] List p = a; [L588] COND TRUE __VERIFIER_nondet_int() [L589] FCALL p->h = 1 [L590] EXPR, FCALL malloc(sizeof(struct node)) [L590] t = (List) malloc(sizeof(struct node)) [L591] COND FALSE !(t == 0) [L592] FCALL p->n = t [L593] EXPR, FCALL p->n [L593] p = p->n [L588] COND FALSE !(__VERIFIER_nondet_int()) [L595] COND TRUE __VERIFIER_nondet_int() [L596] FCALL p->h = 2 [L597] EXPR, FCALL malloc(sizeof(struct node)) [L597] t = (List) malloc(sizeof(struct node)) [L598] COND FALSE !(t == 0) [L599] FCALL p->n = t [L600] EXPR, FCALL p->n [L600] p = p->n [L595] COND FALSE !(__VERIFIER_nondet_int()) [L602] FCALL p->h = 3 [L603] p = a [L604] EXPR, FCALL p->h [L604] COND FALSE !(p->h == 2) [L606] EXPR, FCALL p->h [L606] COND TRUE p->h == 1 [L607] EXPR, FCALL p->n [L607] p = p->n [L606] EXPR, FCALL p->h [L606] COND FALSE !(p->h == 1) [L608] EXPR, FCALL p->h [L608] COND TRUE p->h != 3 [L609] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 523.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. * CodeCheck took 7854.59 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 223.9 MB). Free memory was 1.1 GB in the beginning and 971.2 MB in the end (delta: 101.3 MB). Peak memory consumption was 325.2 MB. Max. memory is 11.5 GB. * Witness Printer took 60.06 ms. Allocated memory is still 1.4 GB. Free memory was 971.2 MB in the beginning and 961.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...