./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/verifythis/tree_max_incorrect.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/verifythis/tree_max_incorrect.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d175b23e7b65a104262a874bc9fb10ae6a765c43 ................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 10:02:05,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:02:05,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:02:05,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:02:05,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:02:05,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:02:05,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:02:05,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:02:05,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:02:05,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:02:05,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:02:05,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:02:05,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:02:05,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:02:05,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:02:05,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:02:05,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:02:05,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:02:05,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:02:05,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:02:05,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:02:05,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:02:05,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:02:05,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:02:05,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:02:05,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:02:05,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:02:05,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:02:05,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:02:05,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:02:05,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:02:05,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:02:05,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:02:05,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:02:05,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:02:05,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:02:05,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:02:05,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:02:05,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:02:05,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:02:05,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:02:05,360 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:02:05,374 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:02:05,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:02:05,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:02:05,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:02:05,378 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:02:05,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:02:05,378 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:02:05,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:02:05,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:02:05,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:02:05,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:02:05,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:02:05,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:02:05,380 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:02:05,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:02:05,381 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:02:05,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:02:05,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:02:05,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:02:05,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:02:05,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:02:05,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:02:05,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:02:05,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:02:05,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:02:05,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:02:05,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:02:05,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:02:05,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer 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 -> Automizer 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 -> d175b23e7b65a104262a874bc9fb10ae6a765c43 [2019-11-20 10:02:05,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:02:05,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:02:05,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:02:05,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:02:05,561 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:02:05,562 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer/../../sv-benchmarks/c/verifythis/tree_max_incorrect.c [2019-11-20 10:02:05,610 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer/data/acfc95a71/2d6b8c46959c4fc4bc35e4e73ce81b4c/FLAG1eda7e12d [2019-11-20 10:02:06,016 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:02:06,019 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/sv-benchmarks/c/verifythis/tree_max_incorrect.c [2019-11-20 10:02:06,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer/data/acfc95a71/2d6b8c46959c4fc4bc35e4e73ce81b4c/FLAG1eda7e12d [2019-11-20 10:02:06,039 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer/data/acfc95a71/2d6b8c46959c4fc4bc35e4e73ce81b4c [2019-11-20 10:02:06,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:02:06,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:02:06,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:02:06,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:02:06,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:02:06,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:02:06" (1/1) ... [2019-11-20 10:02:06,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17dcf5af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:06, skipping insertion in model container [2019-11-20 10:02:06,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:02:06" (1/1) ... [2019-11-20 10:02:06,057 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:02:06,075 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:02:06,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:02:06,307 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:02:06,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:02:06,339 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:02:06,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:06 WrapperNode [2019-11-20 10:02:06,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:02:06,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:02:06,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:02:06,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:02:06,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:06" (1/1) ... [2019-11-20 10:02:06,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:06" (1/1) ... [2019-11-20 10:02:06,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:02:06,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:02:06,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:02:06,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:02:06,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:06" (1/1) ... [2019-11-20 10:02:06,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:06" (1/1) ... [2019-11-20 10:02:06,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:06" (1/1) ... [2019-11-20 10:02:06,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:06" (1/1) ... [2019-11-20 10:02:06,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:06" (1/1) ... [2019-11-20 10:02:06,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:06" (1/1) ... [2019-11-20 10:02:06,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:06" (1/1) ... [2019-11-20 10:02:06,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:02:06,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:02:06,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:02:06,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:02:06,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer/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 [2019-11-20 10:02:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 10:02:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure max [2019-11-20 10:02:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2019-11-20 10:02:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2019-11-20 10:02:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2019-11-20 10:02:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-11-20 10:02:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-11-20 10:02:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 10:02:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:02:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 10:02:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:02:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:02:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:02:06,706 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:02:06,713 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 10:02:06,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:02:06 BoogieIcfgContainer [2019-11-20 10:02:06,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:02:06,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:02:06,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:02:06,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:02:06,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:02:06" (1/3) ... [2019-11-20 10:02:06,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa664bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:02:06, skipping insertion in model container [2019-11-20 10:02:06,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:02:06" (2/3) ... [2019-11-20 10:02:06,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa664bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:02:06, skipping insertion in model container [2019-11-20 10:02:06,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:02:06" (3/3) ... [2019-11-20 10:02:06,729 INFO L109 eAbstractionObserver]: Analyzing ICFG tree_max_incorrect.c [2019-11-20 10:02:06,737 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:02:06,761 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:02:06,768 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:02:06,786 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:02:06,786 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:02:06,787 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:02:06,787 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:02:06,787 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:02:06,787 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:02:06,787 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:02:06,787 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:02:06,803 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2019-11-20 10:02:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:02:06,809 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:02:06,810 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:02:06,810 INFO L410 AbstractCegarLoop]: === Iteration 1 === [checkErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:02:06,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:02:06,816 INFO L82 PathProgramCache]: Analyzing trace with hash -891537794, now seen corresponding path program 1 times [2019-11-20 10:02:06,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:02:06,824 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399783623] [2019-11-20 10:02:06,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:02:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:02:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:02:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:02:07,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:02:07,159 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399783623] [2019-11-20 10:02:07,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:02:07,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 10:02:07,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005378331] [2019-11-20 10:02:07,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 10:02:07,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:02:07,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 10:02:07,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:02:07,188 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 8 states. [2019-11-20 10:02:07,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:02:07,621 INFO L93 Difference]: Finished difference Result 73 states and 96 transitions. [2019-11-20 10:02:07,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 10:02:07,623 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-11-20 10:02:07,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:02:07,636 INFO L225 Difference]: With dead ends: 73 [2019-11-20 10:02:07,637 INFO L226 Difference]: Without dead ends: 34 [2019-11-20 10:02:07,642 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2019-11-20 10:02:07,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-20 10:02:07,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-11-20 10:02:07,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-20 10:02:07,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2019-11-20 10:02:07,689 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 43 transitions. Word has length 18 [2019-11-20 10:02:07,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:02:07,690 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 43 transitions. [2019-11-20 10:02:07,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 10:02:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2019-11-20 10:02:07,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 10:02:07,699 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:02:07,700 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:02:07,700 INFO L410 AbstractCegarLoop]: === Iteration 2 === [checkErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:02:07,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:02:07,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1509693249, now seen corresponding path program 1 times [2019-11-20 10:02:07,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:02:07,701 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340967819] [2019-11-20 10:02:07,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:02:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:02:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:02:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:02:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:02:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:02:07,896 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 10:02:07,896 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340967819] [2019-11-20 10:02:07,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:02:07,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-20 10:02:07,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844629000] [2019-11-20 10:02:07,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 10:02:07,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:02:07,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 10:02:07,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-20 10:02:07,899 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. Second operand 9 states. [2019-11-20 10:02:08,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:02:08,172 INFO L93 Difference]: Finished difference Result 47 states and 59 transitions. [2019-11-20 10:02:08,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 10:02:08,172 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2019-11-20 10:02:08,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:02:08,175 INFO L225 Difference]: With dead ends: 47 [2019-11-20 10:02:08,175 INFO L226 Difference]: Without dead ends: 36 [2019-11-20 10:02:08,176 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-20 10:02:08,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-20 10:02:08,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-11-20 10:02:08,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-20 10:02:08,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2019-11-20 10:02:08,184 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 46 transitions. Word has length 28 [2019-11-20 10:02:08,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:02:08,187 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 46 transitions. [2019-11-20 10:02:08,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 10:02:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2019-11-20 10:02:08,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 10:02:08,189 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:02:08,189 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:02:08,189 INFO L410 AbstractCegarLoop]: === Iteration 3 === [checkErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:02:08,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:02:08,190 INFO L82 PathProgramCache]: Analyzing trace with hash -896236761, now seen corresponding path program 1 times [2019-11-20 10:02:08,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:02:08,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972731813] [2019-11-20 10:02:08,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:02:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:02:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:02:08,342 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:02:08,344 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 10:02:08,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:02:08 BoogieIcfgContainer [2019-11-20 10:02:08,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:02:08,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:02:08,410 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:02:08,410 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:02:08,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:02:06" (3/4) ... [2019-11-20 10:02:08,412 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 10:02:08,495 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f65c61e1-9d51-439d-bd34-d55737e3a00f/bin/uautomizer/witness.graphml [2019-11-20 10:02:08,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:02:08,497 INFO L168 Benchmark]: Toolchain (without parser) took 2453.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 943.4 MB in the beginning and 957.9 MB in the end (delta: -14.5 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:02:08,498 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:02:08,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:02:08,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.52 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. [2019-11-20 10:02:08,499 INFO L168 Benchmark]: Boogie Preprocessor took 24.11 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. [2019-11-20 10:02:08,500 INFO L168 Benchmark]: RCFGBuilder took 316.49 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:02:08,500 INFO L168 Benchmark]: TraceAbstraction took 1693.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.3 MB in the end (delta: 135.2 MB). Peak memory consumption was 135.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:02:08,501 INFO L168 Benchmark]: Witness Printer took 85.86 ms. Allocated memory is still 1.2 GB. Free memory was 963.3 MB in the beginning and 957.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:02:08,504 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.52 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. * Boogie Preprocessor took 24.11 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. * RCFGBuilder took 316.49 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1693.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.3 MB in the end (delta: 135.2 MB). Peak memory consumption was 135.2 MB. Max. memory is 11.5 GB. * Witness Printer took 85.86 ms. Allocated memory is still 1.2 GB. Free memory was 963.3 MB in the beginning and 957.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 9]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L58] CALL nondet_tree() [L18] COND FALSE !(__VERIFIER_nondet_bool()) [L21] struct node *n = (struct node *)malloc(sizeof(struct node)); [L22] n->data = __VERIFIER_nondet_int() [L23] CALL, EXPR nondet_tree() [L18] COND TRUE __VERIFIER_nondet_bool() [L19] return 0; VAL [\result={0:0}] [L23] RET, EXPR nondet_tree() VAL [malloc(sizeof(struct node))={-1:0}, n={-1:0}, nondet_tree()={0:0}] [L23] n->left = nondet_tree() [L24] CALL, EXPR nondet_tree() [L18] COND TRUE __VERIFIER_nondet_bool() [L19] return 0; VAL [\result={0:0}] [L24] RET, EXPR nondet_tree() VAL [malloc(sizeof(struct node))={-1:0}, n={-1:0}, nondet_tree()={0:0}] [L24] n->right = nondet_tree() [L25] return n; VAL [\result={-1:0}, malloc(sizeof(struct node))={-1:0}, n={-1:0}] [L58] RET nondet_tree() [L53] CALL, EXPR max(n) VAL [n={-1:0}] [L30] COND FALSE !(!n) [L33] EXPR n->left VAL [n={-1:0}, n={-1:0}, n->left={0:0}] [L33] CALL, EXPR max(n->left) VAL [n={0:0}] [L30] COND TRUE !n [L31] return -2147483648; VAL [\result=-2147483648, n={0:0}, n={0:0}] [L33] RET, EXPR max(n->left) VAL [max(n->left)=-2147483648, n={-1:0}, n={-1:0}, n->left={0:0}] [L33] int a = max(n->left); [L34] EXPR n->right VAL [a=-2147483648, n={-1:0}, n={-1:0}, n->right={0:0}] [L34] CALL, EXPR max(n->right) VAL [n={0:0}] [L30] COND TRUE !n [L31] return -2147483648; VAL [\result=-2147483648, n={0:0}, n={0:0}] [L34] RET, EXPR max(n->right) VAL [a=-2147483648, max(n->right)=-2147483648, n={-1:0}, n={-1:0}, n->right={0:0}] [L34] int b = max(n->right); [L35] COND TRUE a >= b [L35] return a; VAL [\result=-2147483648, a=-2147483648, b=-2147483648, n={-1:0}, n={-1:0}] [L53] RET, EXPR max(n) [L53] int a = max(n); [L54] CALL check(n, a) [L41] COND TRUE \read(*n) [L42] n->data [L9] COND TRUE !cond [L9] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 40 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 68 SDtfs, 69 SDslu, 223 SDs, 0 SdLazy, 320 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 5128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 9/9 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...