./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 044ef52817dc7382960a6f0241b98ee90ba1b40d .............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:25:39,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:39,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:39,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:39,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:39,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:39,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:39,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:39,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:39,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:39,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:39,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:39,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:39,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:39,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:39,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:39,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:39,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:39,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:39,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:39,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:39,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:39,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:39,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:39,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:39,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:39,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:39,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:39,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:39,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:39,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:39,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:39,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:39,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:39,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:39,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:39,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:39,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:39,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:39,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:39,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:39,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:25:39,146 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:39,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:39,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:39,147 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:39,147 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:39,148 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:39,148 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:25:39,148 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:39,148 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:39,148 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:25:39,148 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:25:39,149 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:39,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:25:39,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:25:39,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:39,150 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:39,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:25:39,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:39,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:39,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:39,151 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:25:39,151 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:25:39,151 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:25:39,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:39,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:39,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:39,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:39,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:39,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:39,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:39,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:39,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:39,153 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:25:39,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:25:39,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:39,154 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan 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 -> Taipan 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 -> 044ef52817dc7382960a6f0241b98ee90ba1b40d [2019-10-22 11:25:39,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:39,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:39,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:39,200 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:39,200 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:39,201 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan/../../sv-benchmarks/c/heap-manipulation/tree-1.i [2019-10-22 11:25:39,252 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan/data/243a8b8f2/40323fced73d456c8bcc11337ce3a1e4/FLAG53b809935 [2019-10-22 11:25:39,697 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:39,697 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/sv-benchmarks/c/heap-manipulation/tree-1.i [2019-10-22 11:25:39,711 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan/data/243a8b8f2/40323fced73d456c8bcc11337ce3a1e4/FLAG53b809935 [2019-10-22 11:25:39,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan/data/243a8b8f2/40323fced73d456c8bcc11337ce3a1e4 [2019-10-22 11:25:39,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:39,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:39,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:39,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:39,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:39,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:39" (1/1) ... [2019-10-22 11:25:39,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:39, skipping insertion in model container [2019-10-22 11:25:39,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:39" (1/1) ... [2019-10-22 11:25:39,746 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:39,782 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:40,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:40,143 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:40,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:40,258 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:40,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:40 WrapperNode [2019-10-22 11:25:40,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:40,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:40,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:40,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:40,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:40" (1/1) ... [2019-10-22 11:25:40,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:40" (1/1) ... [2019-10-22 11:25:40,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:40,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:40,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:40,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:40,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:40" (1/1) ... [2019-10-22 11:25:40,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:40" (1/1) ... [2019-10-22 11:25:40,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:40" (1/1) ... [2019-10-22 11:25:40,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:40" (1/1) ... [2019-10-22 11:25:40,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:40" (1/1) ... [2019-10-22 11:25:40,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:40" (1/1) ... [2019-10-22 11:25:40,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:40" (1/1) ... [2019-10-22 11:25:40,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:40,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:40,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:40,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:40,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-10-22 11:25:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:25:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:25:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:25:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:25:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:25:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:25:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:41,303 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:41,303 INFO L284 CfgBuilder]: Removed 27 assume(true) statements. [2019-10-22 11:25:41,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:41 BoogieIcfgContainer [2019-10-22 11:25:41,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:41,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:41,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:41,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:41,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:39" (1/3) ... [2019-10-22 11:25:41,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d629c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:41, skipping insertion in model container [2019-10-22 11:25:41,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:40" (2/3) ... [2019-10-22 11:25:41,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d629c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:41, skipping insertion in model container [2019-10-22 11:25:41,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:41" (3/3) ... [2019-10-22 11:25:41,312 INFO L109 eAbstractionObserver]: Analyzing ICFG tree-1.i [2019-10-22 11:25:41,321 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:41,327 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 64 error locations. [2019-10-22 11:25:41,336 INFO L249 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2019-10-22 11:25:41,360 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:41,360 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:25:41,360 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:41,360 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:41,360 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:41,360 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:41,360 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:41,360 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:41,378 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2019-10-22 11:25:41,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 11:25:41,386 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:41,386 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-10-22 11:25:41,388 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION]=== [2019-10-22 11:25:41,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:41,393 INFO L82 PathProgramCache]: Analyzing trace with hash 926918, now seen corresponding path program 1 times [2019-10-22 11:25:41,399 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:41,400 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327860514] [2019-10-22 11:25:41,400 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:41,400 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:41,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:25:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:25:41,498 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327860514] [2019-10-22 11:25:41,499 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:25:41,499 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:25:41,499 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032077958] [2019-10-22 11:25:41,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:25:41,505 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:25:41,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:25:41,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:41,524 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2019-10-22 11:25:41,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:25:41,543 INFO L93 Difference]: Finished difference Result 144 states and 154 transitions. [2019-10-22 11:25:41,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:25:41,544 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2019-10-22 11:25:41,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:25:41,555 INFO L225 Difference]: With dead ends: 144 [2019-10-22 11:25:41,555 INFO L226 Difference]: Without dead ends: 139 [2019-10-22 11:25:41,557 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:25:41,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-22 11:25:41,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2019-10-22 11:25:41,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-22 11:25:41,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 149 transitions. [2019-10-22 11:25:41,600 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 149 transitions. Word has length 4 [2019-10-22 11:25:41,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:25:41,601 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 149 transitions. [2019-10-22 11:25:41,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:25:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 149 transitions. [2019-10-22 11:25:41,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 11:25:41,601 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:41,601 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 11:25:41,602 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr63ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr62ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION]=== [2019-10-22 11:25:41,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:41,602 INFO L82 PathProgramCache]: Analyzing trace with hash 28695819, now seen corresponding path program 1 times [2019-10-22 11:25:41,603 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:41,603 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089924462] [2019-10-22 11:25:41,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:41,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:41,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:25:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:25:41,642 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:25:41,643 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:25:41,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:25:41 BoogieIcfgContainer [2019-10-22 11:25:41,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:25:41,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:25:41,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:25:41,664 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:25:41,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:41" (3/4) ... [2019-10-22 11:25:41,667 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:25:41,707 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_81af10cb-09b6-4298-93e9-d9d7d6caeb6e/bin/utaipan/witness.graphml [2019-10-22 11:25:41,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:25:41,711 INFO L168 Benchmark]: Toolchain (without parser) took 1980.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 934.3 MB in the beginning and 1.0 GB in the end (delta: -101.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:41,712 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 957.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:41,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:41,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.79 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:41,714 INFO L168 Benchmark]: Boogie Preprocessor took 72.36 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. [2019-10-22 11:25:41,714 INFO L168 Benchmark]: RCFGBuilder took 913.41 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:41,716 INFO L168 Benchmark]: TraceAbstraction took 357.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:41,716 INFO L168 Benchmark]: Witness Printer took 44.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:41,720 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 957.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 530.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.79 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.36 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 913.41 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 357.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 44.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 590]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L574] struct node *nodelast = ((void *)0); [L575] struct node *node = ((void *)0); [L576] COND FALSE !(__VERIFIER_nondet_int()) [L590] node->parent = ((void *)0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 64 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 154 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...