./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test28_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_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test28_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/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 4ab8dcad35597bc77a09246c20c802a7c0b3d86b ................................................................................................................................................................................................................................................................................................................................................................ 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 [2018-11-10 12:24:29,916 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:24:29,917 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:24:29,925 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:24:29,925 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:24:29,926 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:24:29,927 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:24:29,928 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:24:29,929 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:24:29,929 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:24:29,930 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:24:29,930 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:24:29,931 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:24:29,931 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:24:29,932 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:24:29,932 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:24:29,933 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:24:29,934 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:24:29,935 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:24:29,936 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:24:29,937 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:24:29,937 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:24:29,938 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:24:29,939 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:24:29,939 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:24:29,939 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:24:29,940 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:24:29,941 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:24:29,941 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:24:29,942 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:24:29,942 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:24:29,943 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:24:29,943 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:24:29,943 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:24:29,944 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:24:29,944 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:24:29,945 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 12:24:29,951 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:24:29,952 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:24:29,952 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:24:29,952 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:24:29,952 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:24:29,953 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:24:29,953 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:24:29,953 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:24:29,953 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:24:29,953 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:24:29,953 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:24:29,953 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:24:29,954 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:24:29,954 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:24:29,954 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:24:29,954 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:24:29,954 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:24:29,954 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:24:29,954 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:24:29,955 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:24:29,955 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:24:29,955 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:24:29,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:24:29,955 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:24:29,955 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:24:29,955 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:24:29,956 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 12:24:29,956 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:24:29,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:24:29,956 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_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/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 -> 4ab8dcad35597bc77a09246c20c802a7c0b3d86b [2018-11-10 12:24:29,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:24:29,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:24:29,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:24:29,992 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:24:29,992 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:24:29,993 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/test28_false-unreach-call_true-termination.c [2018-11-10 12:24:30,041 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/uautomizer/data/e14ae1b52/acb607ab296b4552961c1c4e32d98632/FLAG6f16132c4 [2018-11-10 12:24:30,421 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:24:30,421 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e524c77c-4f79-425e-a3a7-74d971b4b191/sv-benchmarks/c/ldv-regression/test28_false-unreach-call_true-termination.c [2018-11-10 12:24:30,425 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/uautomizer/data/e14ae1b52/acb607ab296b4552961c1c4e32d98632/FLAG6f16132c4 [2018-11-10 12:24:30,435 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/uautomizer/data/e14ae1b52/acb607ab296b4552961c1c4e32d98632 [2018-11-10 12:24:30,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:24:30,438 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 12:24:30,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:24:30,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:24:30,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:24:30,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:24:30" (1/1) ... [2018-11-10 12:24:30,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3f9412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:24:30, skipping insertion in model container [2018-11-10 12:24:30,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:24:30" (1/1) ... [2018-11-10 12:24:30,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:24:30,460 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:24:30,558 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:24:30,565 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:24:30,574 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:24:30,583 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:24:30,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:24:30 WrapperNode [2018-11-10 12:24:30,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:24:30,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:24:30,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:24:30,583 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:24:30,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:24:30" (1/1) ... [2018-11-10 12:24:30,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:24:30" (1/1) ... [2018-11-10 12:24:30,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:24:30" (1/1) ... [2018-11-10 12:24:30,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:24:30" (1/1) ... [2018-11-10 12:24:30,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:24:30" (1/1) ... [2018-11-10 12:24:30,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:24:30" (1/1) ... [2018-11-10 12:24:30,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:24:30" (1/1) ... [2018-11-10 12:24:30,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:24:30,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:24:30,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:24:30,610 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:24:30,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:24:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/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 [2018-11-10 12:24:30,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:24:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:24:30,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:24:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 12:24:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 12:24:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:24:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:24:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 12:24:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 12:24:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 12:24:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:24:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:24:30,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 12:24:30,829 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:24:30,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:24:30 BoogieIcfgContainer [2018-11-10 12:24:30,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:24:30,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:24:30,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:24:30,833 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:24:30,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:24:30" (1/3) ... [2018-11-10 12:24:30,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2284700e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:24:30, skipping insertion in model container [2018-11-10 12:24:30,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:24:30" (2/3) ... [2018-11-10 12:24:30,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2284700e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:24:30, skipping insertion in model container [2018-11-10 12:24:30,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:24:30" (3/3) ... [2018-11-10 12:24:30,836 INFO L112 eAbstractionObserver]: Analyzing ICFG test28_false-unreach-call_true-termination.c [2018-11-10 12:24:30,844 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:24:30,851 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:24:30,864 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:24:30,890 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:24:30,890 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:24:30,890 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:24:30,891 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:24:30,891 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:24:30,891 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:24:30,891 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:24:30,891 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:24:30,891 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:24:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-11-10 12:24:30,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:24:30,912 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:24:30,913 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:24:30,915 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:24:30,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:24:30,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1730472840, now seen corresponding path program 1 times [2018-11-10 12:24:30,922 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:24:30,922 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:24:30,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:24:30,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:24:30,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:24:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:24:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:24:31,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:24:31,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:24:31,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:24:31,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:24:31,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:24:31,055 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 3 states. [2018-11-10 12:24:31,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:24:31,091 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2018-11-10 12:24:31,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:24:31,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-10 12:24:31,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:24:31,098 INFO L225 Difference]: With dead ends: 39 [2018-11-10 12:24:31,098 INFO L226 Difference]: Without dead ends: 20 [2018-11-10 12:24:31,100 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:24:31,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-11-10 12:24:31,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-11-10 12:24:31,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-10 12:24:31,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2018-11-10 12:24:31,121 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 16 [2018-11-10 12:24:31,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:24:31,121 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2018-11-10 12:24:31,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:24:31,122 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-11-10 12:24:31,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 12:24:31,122 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:24:31,122 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:24:31,123 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:24:31,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:24:31,123 INFO L82 PathProgramCache]: Analyzing trace with hash 828141669, now seen corresponding path program 1 times [2018-11-10 12:24:31,123 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:24:31,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:24:31,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:24:31,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:24:31,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:24:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:24:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:24:31,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:24:31,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:24:31,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:24:31,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:24:31,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:24:31,190 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 6 states. [2018-11-10 12:24:31,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:24:31,274 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-11-10 12:24:31,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:24:31,275 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-11-10 12:24:31,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:24:31,275 INFO L225 Difference]: With dead ends: 38 [2018-11-10 12:24:31,275 INFO L226 Difference]: Without dead ends: 30 [2018-11-10 12:24:31,276 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:24:31,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-10 12:24:31,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2018-11-10 12:24:31,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-10 12:24:31,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2018-11-10 12:24:31,279 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 18 [2018-11-10 12:24:31,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:24:31,279 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2018-11-10 12:24:31,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:24:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-11-10 12:24:31,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 12:24:31,280 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:24:31,280 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:24:31,280 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:24:31,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:24:31,281 INFO L82 PathProgramCache]: Analyzing trace with hash 129149125, now seen corresponding path program 1 times [2018-11-10 12:24:31,281 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:24:31,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:24:31,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:24:31,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:24:31,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:24:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:24:31,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:24:31,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:24:31,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 12:24:31,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 12:24:31,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 12:24:31,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:24:31,358 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 8 states. [2018-11-10 12:24:31,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:24:31,437 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-11-10 12:24:31,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:24:31,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-11-10 12:24:31,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:24:31,438 INFO L225 Difference]: With dead ends: 29 [2018-11-10 12:24:31,438 INFO L226 Difference]: Without dead ends: 19 [2018-11-10 12:24:31,439 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-11-10 12:24:31,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-11-10 12:24:31,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-11-10 12:24:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-10 12:24:31,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2018-11-10 12:24:31,442 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 18 [2018-11-10 12:24:31,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:24:31,442 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2018-11-10 12:24:31,442 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 12:24:31,442 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-11-10 12:24:31,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 12:24:31,443 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:24:31,443 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:24:31,443 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:24:31,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:24:31,443 INFO L82 PathProgramCache]: Analyzing trace with hash 435114659, now seen corresponding path program 1 times [2018-11-10 12:24:31,443 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:24:31,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:24:31,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:24:31,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:24:31,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:24:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:24:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:24:31,471 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 12:24:31,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:24:31 BoogieIcfgContainer [2018-11-10 12:24:31,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:24:31,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:24:31,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:24:31,488 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:24:31,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:24:30" (3/4) ... [2018-11-10 12:24:31,490 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 12:24:31,515 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e524c77c-4f79-425e-a3a7-74d971b4b191/bin-2019/uautomizer/witness.graphml [2018-11-10 12:24:31,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:24:31,515 INFO L168 Benchmark]: Toolchain (without parser) took 1077.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 963.4 MB in the beginning and 1.1 GB in the end (delta: -98.6 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:24:31,516 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:24:31,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.57 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 951.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:24:31,517 INFO L168 Benchmark]: Boogie Preprocessor took 26.62 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:24:31,517 INFO L168 Benchmark]: RCFGBuilder took 219.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:24:31,518 INFO L168 Benchmark]: TraceAbstraction took 657.99 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: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:24:31,518 INFO L168 Benchmark]: Witness Printer took 26.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:24:31,519 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.57 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 951.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.62 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 219.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 657.99 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: 75.1 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. * Witness Printer took 26.79 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 26]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] FCALL struct dummy d1, d2; VAL [d1={10:0}, d2={11:0}] [L13] int n = __VERIFIER_nondet_int(); [L14] COND FALSE, EXPR !(n ? &d1 : &d2) VAL [d1={10:0}, d2={11:0}, n=0, n ? &d1 : &d2={11:0}] [L14] struct dummy *pd = n ? &d1 : &d2; [L15] COND TRUE pd == &d2 VAL [d1={10:0}, d2={11:0}, n=0, pd={11:0}] [L16] FCALL pd->a = 0 VAL [d1={10:0}, d2={11:0}, n=0, pd={11:0}] [L20] pd == &d2 && d2.b != 0 VAL [d1={10:0}, d2={11:0}, n=0, pd={11:0}, pd == &d2 && d2.b != 0=1] [L20] EXPR, FCALL d2.b VAL [d1={10:0}, d2={11:0}, d2.b=13, n=0, pd={11:0}, pd == &d2 && d2.b != 0=1] [L20] pd == &d2 && d2.b != 0 VAL [d1={10:0}, d2={11:0}, d2.b=13, n=0, pd={11:0}, pd == &d2 && d2.b != 0=1] [L20] COND TRUE pd == &d2 && d2.b != 0 [L26] __VERIFIER_error() VAL [d1={10:0}, d2={11:0}, n=0, pd={11:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 32 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 53 SDtfs, 91 SDslu, 104 SDs, 0 SdLazy, 76 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 1379 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...