./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test29_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test29_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2aa6c4430411ceeb023b25a4c3a2c7228d94ed35 .................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:47:45,761 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:47:45,762 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:47:45,771 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:47:45,771 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:47:45,772 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:47:45,773 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:47:45,775 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:47:45,776 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:47:45,776 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:47:45,777 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:47:45,777 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:47:45,778 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:47:45,779 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:47:45,782 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:47:45,784 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:47:45,789 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:47:45,791 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:47:45,795 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:47:45,797 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:47:45,797 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:47:45,798 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:47:45,800 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:47:45,801 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:47:45,801 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:47:45,801 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:47:45,802 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:47:45,803 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:47:45,803 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:47:45,804 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:47:45,804 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:47:45,804 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:47:45,804 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:47:45,805 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:47:45,805 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:47:45,806 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:47:45,806 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:47:45,818 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:47:45,819 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:47:45,820 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:47:45,820 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:47:45,820 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:47:45,820 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:47:45,820 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:47:45,821 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:47:45,821 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:47:45,821 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:47:45,821 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:47:45,821 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:47:45,821 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:47:45,821 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:47:45,822 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:47:45,822 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:47:45,822 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:47:45,822 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:47:45,822 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:47:45,822 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:47:45,822 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:47:45,822 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:47:45,823 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:47:45,823 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:47:45,825 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:47:45,825 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:47:45,825 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:47:45,825 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:47:45,825 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2aa6c4430411ceeb023b25a4c3a2c7228d94ed35 [2018-10-26 20:47:45,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:47:45,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:47:45,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:47:45,871 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:47:45,871 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:47:45,872 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/test29_false-unreach-call_true-termination.c [2018-10-26 20:47:45,913 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak/data/4e9bfca13/ce0017840dfa4bffa745de36120bc38f/FLAGe0b3d7007 [2018-10-26 20:47:46,276 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:47:46,277 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/sv-benchmarks/c/ldv-regression/test29_false-unreach-call_true-termination.c [2018-10-26 20:47:46,281 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak/data/4e9bfca13/ce0017840dfa4bffa745de36120bc38f/FLAGe0b3d7007 [2018-10-26 20:47:46,295 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak/data/4e9bfca13/ce0017840dfa4bffa745de36120bc38f [2018-10-26 20:47:46,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:47:46,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:47:46,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:47:46,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:47:46,309 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:47:46,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:47:46" (1/1) ... [2018-10-26 20:47:46,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeeae86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:46, skipping insertion in model container [2018-10-26 20:47:46,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:47:46" (1/1) ... [2018-10-26 20:47:46,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:47:46,339 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:47:46,452 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:47:46,458 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:47:46,469 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:47:46,479 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:47:46,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:46 WrapperNode [2018-10-26 20:47:46,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:47:46,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:47:46,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:47:46,481 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:47:46,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:46" (1/1) ... [2018-10-26 20:47:46,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:46" (1/1) ... [2018-10-26 20:47:46,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:47:46,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:47:46,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:47:46,516 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:47:46,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:46" (1/1) ... [2018-10-26 20:47:46,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:46" (1/1) ... [2018-10-26 20:47:46,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:46" (1/1) ... [2018-10-26 20:47:46,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:46" (1/1) ... [2018-10-26 20:47:46,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:46" (1/1) ... [2018-10-26 20:47:46,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:46" (1/1) ... [2018-10-26 20:47:46,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:46" (1/1) ... [2018-10-26 20:47:46,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:47:46,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:47:46,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:47:46,544 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:47:46,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:47:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 20:47:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 20:47:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:47:46,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:47:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 20:47:47,277 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:47:47,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:47:47 BoogieIcfgContainer [2018-10-26 20:47:47,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:47:47,278 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:47:47,278 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:47:47,288 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:47:47,289 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:47:47" (1/1) ... [2018-10-26 20:47:47,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:47:47,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:47:47,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-26 20:47:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-26 20:47:47,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-26 20:47:47,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:47:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:47:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:47:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:47:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:47:47,498 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-10-26 20:47:47,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:47:47 ImpRootNode [2018-10-26 20:47:47,521 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:47:47,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:47:47,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:47:47,521 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:47:47,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:47:47" (3/4) ... [2018-10-26 20:47:47,524 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 20:47:47,569 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ae349d86-6661-4a69-9350-80832f91b3ba/bin-2019/ukojak/witness.graphml [2018-10-26 20:47:47,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:47:47,571 INFO L168 Benchmark]: Toolchain (without parser) took 1271.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -135.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:47,573 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:47:47,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.68 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:47,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 948.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:47,577 INFO L168 Benchmark]: Boogie Preprocessor took 28.22 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:47:47,577 INFO L168 Benchmark]: RCFGBuilder took 735.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:47,577 INFO L168 Benchmark]: CodeCheck took 242.44 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: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:47,578 INFO L168 Benchmark]: Witness Printer took 49.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:47:47,580 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 28 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] FCALL union dummy d1, d2; [L14] int n = __VERIFIER_nondet_int(); [L15] COND FALSE, EXPR !(n ? &d1 : &d2) [L15] union dummy *pd = n ? &d1 : &d2; [L16] FCALL d1.a = __VERIFIER_nondet_int() [L17] COND FALSE !(pd == &d1) [L20] FCALL pd->b = 0 [L22] pd == &d2 && d1.a != 0 [L22] CALL, EXPR d1.a [L22] RET, EXPR d1.a [L22] pd == &d2 && d1.a != 0 [L22] COND TRUE pd == &d2 && d1.a != 0 [L28] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 179.68 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 948.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.22 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 735.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * CodeCheck took 242.44 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: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Witness Printer took 49.35 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. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...