./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 678e0110 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/heap-manipulation/tree-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --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 --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-19 22:14:39,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:14:39,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:14:39,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:14:39,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:14:39,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:14:39,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:14:39,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:14:39,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:14:39,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:14:39,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:14:39,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:14:39,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:14:39,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:14:39,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:14:39,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:14:39,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:14:39,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:14:39,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:14:39,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:14:39,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:14:39,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:14:39,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:14:39,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:14:39,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:14:39,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:14:39,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:14:39,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:14:39,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:14:39,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:14:39,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:14:39,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:14:39,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:14:39,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:14:39,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:14:39,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:14:39,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:14:39,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:14:39,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:14:39,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:14:39,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:14:39,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-19 22:14:39,603 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:14:39,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:14:39,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:14:39,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:14:39,606 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:14:39,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:14:39,606 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:14:39,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:14:39,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:14:39,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:14:39,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:14:39,608 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-19 22:14:39,608 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-19 22:14:39,608 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-19 22:14:39,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:14:39,609 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 22:14:39,609 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 22:14:39,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:14:39,610 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:14:39,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:14:39,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:14:39,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:14:39,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:14:39,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:14:39,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:14:39,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:14:39,612 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 22:14:39,612 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 22:14:39,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 22:14:39,613 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 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 -> 044ef52817dc7382960a6f0241b98ee90ba1b40d [2019-11-19 22:14:39,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:14:39,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:14:39,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:14:39,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:14:39,929 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:14:39,930 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/tree-1.i [2019-11-19 22:14:40,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31116d207/17837c6bb2b545018eba82ddfbcaed34/FLAG2319ef3c4 [2019-11-19 22:14:40,538 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:14:40,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/tree-1.i [2019-11-19 22:14:40,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31116d207/17837c6bb2b545018eba82ddfbcaed34/FLAG2319ef3c4 [2019-11-19 22:14:40,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31116d207/17837c6bb2b545018eba82ddfbcaed34 [2019-11-19 22:14:40,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:14:40,817 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-19 22:14:40,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:14:40,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:14:40,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:14:40,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:14:40" (1/1) ... [2019-11-19 22:14:40,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af5fd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:40, skipping insertion in model container [2019-11-19 22:14:40,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:14:40" (1/1) ... [2019-11-19 22:14:40,835 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:14:40,887 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:14:41,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:14:41,324 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:14:41,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:14:41,461 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:14:41,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:41 WrapperNode [2019-11-19 22:14:41,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:14:41,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:14:41,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:14:41,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:14:41,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:41" (1/1) ... [2019-11-19 22:14:41,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:41" (1/1) ... [2019-11-19 22:14:41,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:41" (1/1) ... [2019-11-19 22:14:41,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:41" (1/1) ... [2019-11-19 22:14:41,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:41" (1/1) ... [2019-11-19 22:14:41,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:41" (1/1) ... [2019-11-19 22:14:41,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:41" (1/1) ... [2019-11-19 22:14:41,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:14:41,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:14:41,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:14:41,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:14:41,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 22:14:41,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-19 22:14:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:14:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-19 22:14:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-19 22:14:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-11-19 22:14:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2019-11-19 22:14:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure create_tree [2019-11-19 22:14:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tree [2019-11-19 22:14:41,618 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-19 22:14:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-19 22:14:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-19 22:14:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-19 22:14:41,619 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-19 22:14:41,619 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-19 22:14:41,619 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-19 22:14:41,619 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-19 22:14:41,619 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-19 22:14:41,620 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-19 22:14:41,620 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-19 22:14:41,620 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-19 22:14:41,620 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-19 22:14:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-19 22:14:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-19 22:14:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-19 22:14:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-19 22:14:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-19 22:14:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-19 22:14:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-19 22:14:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-19 22:14:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-19 22:14:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-19 22:14:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-19 22:14:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-19 22:14:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-19 22:14:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-19 22:14:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-19 22:14:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-19 22:14:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-19 22:14:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-19 22:14:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-19 22:14:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-19 22:14:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-19 22:14:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-19 22:14:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-19 22:14:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-19 22:14:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-19 22:14:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-19 22:14:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-19 22:14:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-19 22:14:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-19 22:14:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-19 22:14:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-19 22:14:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-19 22:14:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-19 22:14:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-19 22:14:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-19 22:14:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-19 22:14:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-19 22:14:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-19 22:14:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-19 22:14:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-19 22:14:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-19 22:14:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-19 22:14:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-19 22:14:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-19 22:14:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-19 22:14:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-19 22:14:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-19 22:14:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-19 22:14:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-19 22:14:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-19 22:14:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-19 22:14:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-19 22:14:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-19 22:14:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-19 22:14:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-19 22:14:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-19 22:14:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-19 22:14:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-19 22:14:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-19 22:14:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-19 22:14:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-19 22:14:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-19 22:14:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-19 22:14:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-19 22:14:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-19 22:14:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-19 22:14:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-19 22:14:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-19 22:14:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-19 22:14:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-19 22:14:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-19 22:14:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-19 22:14:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-19 22:14:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-19 22:14:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-19 22:14:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-19 22:14:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-19 22:14:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-19 22:14:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-19 22:14:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-19 22:14:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-19 22:14:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-19 22:14:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-19 22:14:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-19 22:14:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-19 22:14:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-19 22:14:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-19 22:14:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-19 22:14:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-19 22:14:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-19 22:14:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-19 22:14:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-19 22:14:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-11-19 22:14:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2019-11-19 22:14:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-19 22:14:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-19 22:14:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure create_tree [2019-11-19 22:14:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 22:14:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-19 22:14:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-19 22:14:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure free_tree [2019-11-19 22:14:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:14:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-19 22:14:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-19 22:14:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:14:42,700 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:14:42,700 INFO L285 CfgBuilder]: Removed 11 assume(true) statements. [2019-11-19 22:14:42,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:14:42 BoogieIcfgContainer [2019-11-19 22:14:42,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:14:42,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:14:42,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:14:42,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:14:42,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:14:40" (1/3) ... [2019-11-19 22:14:42,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80c0298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:14:42, skipping insertion in model container [2019-11-19 22:14:42,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:14:41" (2/3) ... [2019-11-19 22:14:42,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80c0298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:14:42, skipping insertion in model container [2019-11-19 22:14:42,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:14:42" (3/3) ... [2019-11-19 22:14:42,711 INFO L109 eAbstractionObserver]: Analyzing ICFG tree-1.i [2019-11-19 22:14:42,721 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:14:42,729 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 64 error locations. [2019-11-19 22:14:42,742 INFO L249 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2019-11-19 22:14:42,764 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:14:42,764 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-19 22:14:42,764 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:14:42,764 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:14:42,766 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:14:42,766 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:14:42,767 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:14:42,767 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:14:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2019-11-19 22:14:42,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 22:14:42,814 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:14:42,815 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:14:42,815 INFO L410 AbstractCegarLoop]: === Iteration 1 === [create_treeErr13REQUIRES_VIOLATION, create_treeErr14REQUIRES_VIOLATION, create_treeErr15REQUIRES_VIOLATION, create_treeErr10REQUIRES_VIOLATION, create_treeErr11REQUIRES_VIOLATION, create_treeErr12REQUIRES_VIOLATION, create_treeErr18REQUIRES_VIOLATION, create_treeErr19REQUIRES_VIOLATION, create_treeErr20REQUIRES_VIOLATION, create_treeErr16REQUIRES_VIOLATION, create_treeErr17REQUIRES_VIOLATION, create_treeErr1REQUIRES_VIOLATION, create_treeErr24REQUIRES_VIOLATION, create_treeErr0REQUIRES_VIOLATION, create_treeErr25REQUIRES_VIOLATION, create_treeErr4REQUIRES_VIOLATION, create_treeErr21REQUIRES_VIOLATION, create_treeErr3REQUIRES_VIOLATION, create_treeErr22REQUIRES_VIOLATION, create_treeErr2REQUIRES_VIOLATION, create_treeErr23REQUIRES_VIOLATION, create_treeErr7REQUIRES_VIOLATION, create_treeErr29REQUIRES_VIOLATION, create_treeErr6REQUIRES_VIOLATION, create_treeErr9REQUIRES_VIOLATION, create_treeErr5REQUIRES_VIOLATION, create_treeErr26REQUIRES_VIOLATION, create_treeErr27REQUIRES_VIOLATION, create_treeErr8REQUIRES_VIOLATION, create_treeErr28REQUIRES_VIOLATION, inspectErr9REQUIRES_VIOLATION, inspectErr4REQUIRES_VIOLATION, inspectErr2REQUIRES_VIOLATION, inspectErr8REQUIRES_VIOLATION, inspectErr3REQUIRES_VIOLATION, inspectErr6REQUIRES_VIOLATION, inspectErr1REQUIRES_VIOLATION, inspectErr7REQUIRES_VIOLATION, inspectErr5REQUIRES_VIOLATION, inspectErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, free_treeErr17ASSERT_VIOLATIONMEMORY_FREE, free_treeErr5REQUIRES_VIOLATION, free_treeErr10ASSERT_VIOLATIONMEMORY_FREE, free_treeErr7REQUIRES_VIOLATION, free_treeErr6REQUIRES_VIOLATION, free_treeErr8ASSERT_VIOLATIONMEMORY_FREE, free_treeErr19REQUIRES_VIOLATION, free_treeErr18REQUIRES_VIOLATION, free_treeErr9ASSERT_VIOLATIONMEMORY_FREE, free_treeErr11REQUIRES_VIOLATION, free_treeErr0REQUIRES_VIOLATION, free_treeErr21ASSERT_VIOLATIONMEMORY_FREE, free_treeErr20ASSERT_VIOLATIONMEMORY_FREE, free_treeErr12REQUIRES_VIOLATION, free_treeErr1REQUIRES_VIOLATION, free_treeErr22ASSERT_VIOLATIONMEMORY_FREE, free_treeErr3REQUIRES_VIOLATION, free_treeErr13REQUIRES_VIOLATION, free_treeErr2REQUIRES_VIOLATION, free_treeErr15ASSERT_VIOLATIONMEMORY_FREE, free_treeErr4REQUIRES_VIOLATION, free_treeErr16ASSERT_VIOLATIONMEMORY_FREE, free_treeErr14REQUIRES_VIOLATION]=== [2019-11-19 22:14:42,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:14:42,820 INFO L82 PathProgramCache]: Analyzing trace with hash -210505210, now seen corresponding path program 1 times [2019-11-19 22:14:42,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 22:14:42,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1478844554] [2019-11-19 22:14:42,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 22:14:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:14:43,114 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-19 22:14:43,115 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 22:14:43,319 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 22:14:43,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:14:43 BoogieIcfgContainer [2019-11-19 22:14:43,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:14:43,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:14:43,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:14:43,340 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:14:43,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:14:42" (3/4) ... [2019-11-19 22:14:43,343 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 22:14:43,385 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 22:14:43,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:14:43,388 INFO L168 Benchmark]: Toolchain (without parser) took 2569.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -45.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:14:43,389 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:14:43,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:14:43,390 INFO L168 Benchmark]: Boogie Preprocessor took 79.32 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:14:43,391 INFO L168 Benchmark]: RCFGBuilder took 1160.18 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: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:14:43,392 INFO L168 Benchmark]: TraceAbstraction took 636.19 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: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:14:43,393 INFO L168 Benchmark]: Witness Printer took 45.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:14:43,397 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 643.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.32 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1160.18 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: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 636.19 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: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. * Witness Printer took 45.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. 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: [L622] CALL create_tree() [L574] struct node *nodelast = ((void *)0); [L575] struct node *node = ((void *)0); VAL [node={0:0}, nodelast={0:0}] [L576] COND FALSE !(__VERIFIER_nondet_int()) [L590] node->parent = ((void *)0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 167 locations, 64 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...