./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init_true-unreach-call.i --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_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/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 a0a39eefaccc62f602b71ff7e91e6bcef4799631 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:27:29,478 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:27:29,480 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:27:29,491 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:27:29,491 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:27:29,499 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:27:29,503 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:27:29,504 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:27:29,505 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:27:29,506 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:27:29,509 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:27:29,509 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:27:29,510 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:27:29,510 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:27:29,511 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:27:29,512 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:27:29,512 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:27:29,514 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:27:29,522 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:27:29,524 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:27:29,527 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:27:29,530 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:27:29,534 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:27:29,537 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:27:29,537 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:27:29,538 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:27:29,539 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:27:29,539 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:27:29,540 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:27:29,540 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:27:29,541 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:27:29,541 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:27:29,541 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:27:29,541 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:27:29,542 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:27:29,544 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:27:29,544 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 22:27:29,555 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:27:29,555 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:27:29,556 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:27:29,556 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:27:29,557 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:27:29,557 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:27:29,557 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:27:29,557 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:27:29,557 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:27:29,557 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:27:29,558 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:27:29,558 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:27:29,558 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:27:29,558 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:27:29,558 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:27:29,560 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:27:29,560 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:27:29,560 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:27:29,560 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:27:29,560 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:27:29,561 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:27:29,561 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:27:29,561 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:27:29,561 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:27:29,561 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:27:29,561 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:27:29,561 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 22:27:29,562 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:27:29,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:27:29,562 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_2f234fa2-20fe-4272-8fcc-2481cf330406/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 -> a0a39eefaccc62f602b71ff7e91e6bcef4799631 [2018-10-26 22:27:29,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:27:29,611 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:27:29,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:27:29,618 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:27:29,619 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:27:29,620 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init_true-unreach-call.i [2018-10-26 22:27:29,670 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/data/b7af75c34/2eb2a54f97e74a28bde53074e635495d/FLAGc1178eedc [2018-10-26 22:27:30,034 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:27:30,035 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init_true-unreach-call.i [2018-10-26 22:27:30,041 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/data/b7af75c34/2eb2a54f97e74a28bde53074e635495d/FLAGc1178eedc [2018-10-26 22:27:30,054 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/data/b7af75c34/2eb2a54f97e74a28bde53074e635495d [2018-10-26 22:27:30,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:27:30,058 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:27:30,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:27:30,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:27:30,063 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:27:30,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:27:30" (1/1) ... [2018-10-26 22:27:30,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac799e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:27:30, skipping insertion in model container [2018-10-26 22:27:30,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:27:30" (1/1) ... [2018-10-26 22:27:30,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:27:30,090 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:27:30,214 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:27:30,219 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:27:30,234 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:27:30,247 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:27:30,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:27:30 WrapperNode [2018-10-26 22:27:30,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:27:30,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:27:30,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:27:30,248 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:27:30,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:27:30" (1/1) ... [2018-10-26 22:27:30,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:27:30" (1/1) ... [2018-10-26 22:27:30,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:27:30" (1/1) ... [2018-10-26 22:27:30,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:27:30" (1/1) ... [2018-10-26 22:27:30,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:27:30" (1/1) ... [2018-10-26 22:27:30,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:27:30" (1/1) ... [2018-10-26 22:27:30,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:27:30" (1/1) ... [2018-10-26 22:27:30,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:27:30,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:27:30,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:27:30,285 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:27:30,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:27:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/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 [2018-10-26 22:27:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:27:30,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:27:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 22:27:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-10-26 22:27:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:27:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-10-26 22:27:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 22:27:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 22:27:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-10-26 22:27:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 22:27:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-10-26 22:27:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:27:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-10-26 22:27:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 22:27:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:27:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:27:30,863 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:27:30,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:27:30 BoogieIcfgContainer [2018-10-26 22:27:30,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:27:30,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:27:30,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:27:30,868 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:27:30,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:27:30" (1/3) ... [2018-10-26 22:27:30,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b25a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:27:30, skipping insertion in model container [2018-10-26 22:27:30,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:27:30" (2/3) ... [2018-10-26 22:27:30,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b25a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:27:30, skipping insertion in model container [2018-10-26 22:27:30,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:27:30" (3/3) ... [2018-10-26 22:27:30,872 INFO L112 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_flag_init_true-unreach-call.i [2018-10-26 22:27:30,882 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:27:30,890 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:27:30,906 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:27:30,934 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:27:30,935 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:27:30,935 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:27:30,935 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:27:30,935 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:27:30,936 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:27:30,936 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:27:30,936 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:27:30,936 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:27:30,954 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2018-10-26 22:27:30,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 22:27:30,961 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:27:30,962 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:27:30,964 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:27:30,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:27:30,970 INFO L82 PathProgramCache]: Analyzing trace with hash 427223385, now seen corresponding path program 1 times [2018-10-26 22:27:30,972 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:27:30,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:27:31,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:31,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:27:31,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:27:31,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:27:31,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:27:31,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:27:31,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:27:31,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:27:31,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:27:31,134 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2018-10-26 22:27:31,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:27:31,156 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2018-10-26 22:27:31,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:27:31,157 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-10-26 22:27:31,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:27:31,165 INFO L225 Difference]: With dead ends: 72 [2018-10-26 22:27:31,165 INFO L226 Difference]: Without dead ends: 36 [2018-10-26 22:27:31,169 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:27:31,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-10-26 22:27:31,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-10-26 22:27:31,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-10-26 22:27:31,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2018-10-26 22:27:31,205 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 23 [2018-10-26 22:27:31,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:27:31,205 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2018-10-26 22:27:31,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:27:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2018-10-26 22:27:31,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 22:27:31,206 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:27:31,206 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:27:31,207 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:27:31,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:27:31,208 INFO L82 PathProgramCache]: Analyzing trace with hash 2032209139, now seen corresponding path program 1 times [2018-10-26 22:27:31,208 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:27:31,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:27:31,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:31,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:27:31,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:27:31,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:27:31,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:27:31,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:27:31,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:27:31,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:27:31,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:27:31,312 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 3 states. [2018-10-26 22:27:31,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:27:31,418 INFO L93 Difference]: Finished difference Result 62 states and 71 transitions. [2018-10-26 22:27:31,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:27:31,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-10-26 22:27:31,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:27:31,421 INFO L225 Difference]: With dead ends: 62 [2018-10-26 22:27:31,421 INFO L226 Difference]: Without dead ends: 48 [2018-10-26 22:27:31,422 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 [2018-10-26 22:27:31,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-10-26 22:27:31,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 38. [2018-10-26 22:27:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-10-26 22:27:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2018-10-26 22:27:31,432 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 25 [2018-10-26 22:27:31,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:27:31,432 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2018-10-26 22:27:31,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:27:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2018-10-26 22:27:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 22:27:31,433 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:27:31,433 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:27:31,434 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:27:31,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:27:31,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1323010544, now seen corresponding path program 1 times [2018-10-26 22:27:31,434 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:27:31,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:27:31,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:31,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:27:31,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:27:31,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:27:31,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:27:31,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:27:31,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:27:31,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:27:31,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:27:31,495 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 3 states. [2018-10-26 22:27:31,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:27:31,539 INFO L93 Difference]: Finished difference Result 61 states and 69 transitions. [2018-10-26 22:27:31,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:27:31,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-10-26 22:27:31,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:27:31,541 INFO L225 Difference]: With dead ends: 61 [2018-10-26 22:27:31,541 INFO L226 Difference]: Without dead ends: 38 [2018-10-26 22:27:31,542 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 [2018-10-26 22:27:31,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-10-26 22:27:31,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-10-26 22:27:31,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-10-26 22:27:31,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-10-26 22:27:31,547 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 30 [2018-10-26 22:27:31,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:27:31,548 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-10-26 22:27:31,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:27:31,548 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-10-26 22:27:31,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 22:27:31,549 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:27:31,549 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:27:31,549 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:27:31,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:27:31,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1909816558, now seen corresponding path program 1 times [2018-10-26 22:27:31,549 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:27:31,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:27:31,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:31,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:27:31,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:27:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:27:31,648 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:27:31,648 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-10-26 22:27:31,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:27:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:27:31,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:27:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:27:31,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:27:31,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2018-10-26 22:27:31,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:27:31,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:27:31,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:27:31,811 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 6 states. [2018-10-26 22:27:31,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:27:31,978 INFO L93 Difference]: Finished difference Result 89 states and 100 transitions. [2018-10-26 22:27:31,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:27:31,978 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-10-26 22:27:31,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:27:31,979 INFO L225 Difference]: With dead ends: 89 [2018-10-26 22:27:31,979 INFO L226 Difference]: Without dead ends: 65 [2018-10-26 22:27:31,980 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:27:31,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-10-26 22:27:31,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 45. [2018-10-26 22:27:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-10-26 22:27:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2018-10-26 22:27:31,985 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 30 [2018-10-26 22:27:31,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:27:31,986 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2018-10-26 22:27:31,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:27:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2018-10-26 22:27:31,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 22:27:31,987 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:27:31,987 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:27:31,987 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:27:31,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:27:31,987 INFO L82 PathProgramCache]: Analyzing trace with hash -384822178, now seen corresponding path program 1 times [2018-10-26 22:27:31,988 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:27:31,988 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:27:31,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:31,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:27:31,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:27:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:27:32,093 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:27:32,093 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:27:32,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:27:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:27:32,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:27:32,227 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:27:32,248 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:27:32,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-10-26 22:27:32,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 22:27:32,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 22:27:32,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:27:32,249 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand 8 states. [2018-10-26 22:27:32,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:27:32,851 INFO L93 Difference]: Finished difference Result 111 states and 124 transitions. [2018-10-26 22:27:32,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:27:32,852 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-10-26 22:27:32,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:27:32,853 INFO L225 Difference]: With dead ends: 111 [2018-10-26 22:27:32,853 INFO L226 Difference]: Without dead ends: 82 [2018-10-26 22:27:32,853 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:27:32,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-10-26 22:27:32,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 55. [2018-10-26 22:27:32,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-26 22:27:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-10-26 22:27:32,864 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 40 [2018-10-26 22:27:32,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:27:32,864 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-10-26 22:27:32,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 22:27:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-10-26 22:27:32,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 22:27:32,865 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:27:32,865 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:27:32,865 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:27:32,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:27:32,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1025646802, now seen corresponding path program 2 times [2018-10-26 22:27:32,866 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:27:32,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:27:32,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:32,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:27:32,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:27:33,058 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:27:33,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:27:33,059 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:27:33,068 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-10-26 22:27:33,107 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-10-26 22:27:33,108 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:27:33,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:27:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 22:27:33,234 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:27:33,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-10-26 22:27:33,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 22:27:33,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 22:27:33,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:27:33,236 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 10 states. [2018-10-26 22:27:33,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:27:33,431 INFO L93 Difference]: Finished difference Result 133 states and 148 transitions. [2018-10-26 22:27:33,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 22:27:33,435 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2018-10-26 22:27:33,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:27:33,436 INFO L225 Difference]: With dead ends: 133 [2018-10-26 22:27:33,437 INFO L226 Difference]: Without dead ends: 99 [2018-10-26 22:27:33,437 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-10-26 22:27:33,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-10-26 22:27:33,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 65. [2018-10-26 22:27:33,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-10-26 22:27:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2018-10-26 22:27:33,459 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 50 [2018-10-26 22:27:33,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:27:33,459 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2018-10-26 22:27:33,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 22:27:33,459 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2018-10-26 22:27:33,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 22:27:33,460 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:27:33,461 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:27:33,461 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:27:33,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:27:33,461 INFO L82 PathProgramCache]: Analyzing trace with hash -2054579426, now seen corresponding path program 3 times [2018-10-26 22:27:33,461 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:27:33,461 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:27:33,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:33,470 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:27:33,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:27:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:27:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 22:27:33,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:27:33,659 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:27:33,669 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 22:27:33,695 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-26 22:27:33,695 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 22:27:33,698 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:27:33,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-10-26 22:27:33,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-26 22:27:33,812 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:27:33,815 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:27:33,824 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:27:33,825 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-10-26 22:27:34,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2018-10-26 22:27:34,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2018-10-26 22:27:34,265 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-10-26 22:27:34,269 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:27:34,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:27:34,293 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:33, output treesize:20 [2018-10-26 22:27:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:27:34,463 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:27:34,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13] total 18 [2018-10-26 22:27:34,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-26 22:27:34,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-26 22:27:34,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2018-10-26 22:27:34,464 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand 18 states. [2018-10-26 22:27:35,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:27:35,036 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-10-26 22:27:35,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-26 22:27:35,037 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 60 [2018-10-26 22:27:35,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:27:35,037 INFO L225 Difference]: With dead ends: 77 [2018-10-26 22:27:35,037 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:27:35,038 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=185, Invalid=685, Unknown=0, NotChecked=0, Total=870 [2018-10-26 22:27:35,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:27:35,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:27:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:27:35,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:27:35,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-10-26 22:27:35,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:27:35,039 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:27:35,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-26 22:27:35,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:27:35,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:27:35,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:27:35,192 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2018-10-26 22:27:35,228 INFO L428 ceAbstractionStarter]: At program point initENTRY(lines 9 16) the Hoare annotation is: true [2018-10-26 22:27:35,228 INFO L425 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-10-26 22:27:35,228 INFO L425 ceAbstractionStarter]: For program point L14-1(line 14) no Hoare annotation was computed. [2018-10-26 22:27:35,229 INFO L425 ceAbstractionStarter]: For program point initEXIT(lines 9 16) no Hoare annotation was computed. [2018-10-26 22:27:35,229 INFO L425 ceAbstractionStarter]: For program point L14-2(lines 12 15) no Hoare annotation was computed. [2018-10-26 22:27:35,229 INFO L425 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2018-10-26 22:27:35,229 INFO L421 ceAbstractionStarter]: At program point L12-3(lines 12 15) the Hoare annotation is: (let ((.cse0 (= init_~a.base |init_#in~a.base|)) (.cse1 (= |init_#in~size| init_~size)) (.cse2 (= init_~a.offset |init_#in~a.offset|))) (or (and (<= init_~i~0 0) .cse0 .cse1 .cse2) (and (exists ((v_init_~i~0_11 Int)) (and (<= init_~i~0 (+ v_init_~i~0_11 1)) (not (= (select (select |#memory_$Pointer$.base| |init_#in~a.base|) (+ (* 4 v_init_~i~0_11) |init_#in~a.offset|)) 0)) (< v_init_~i~0_11 init_~size))) .cse0 .cse1 .cse2))) [2018-10-26 22:27:35,229 INFO L425 ceAbstractionStarter]: For program point L12-4(lines 9 16) no Hoare annotation was computed. [2018-10-26 22:27:35,229 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:27:35,229 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:27:35,229 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:27:35,229 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:27:35,229 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 22:27:35,229 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:27:35,229 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:27:35,230 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-10-26 22:27:35,230 INFO L425 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-10-26 22:27:35,230 INFO L425 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2018-10-26 22:27:35,230 INFO L421 ceAbstractionStarter]: At program point L31-4(lines 31 35) the Hoare annotation is: (= main_~flag~0 1) [2018-10-26 22:27:35,230 INFO L425 ceAbstractionStarter]: For program point L31-5(lines 31 35) no Hoare annotation was computed. [2018-10-26 22:27:35,230 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 17 37) no Hoare annotation was computed. [2018-10-26 22:27:35,230 INFO L428 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: true [2018-10-26 22:27:35,230 INFO L425 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-10-26 22:27:35,230 INFO L425 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-10-26 22:27:35,230 INFO L425 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2018-10-26 22:27:35,230 INFO L425 ceAbstractionStarter]: For program point L19-2(line 19) no Hoare annotation was computed. [2018-10-26 22:27:35,230 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 17 37) no Hoare annotation was computed. [2018-10-26 22:27:35,230 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-26 22:27:35,231 INFO L421 ceAbstractionStarter]: At program point L34-1(line 34) the Hoare annotation is: false [2018-10-26 22:27:35,231 INFO L425 ceAbstractionStarter]: For program point L34-2(line 34) no Hoare annotation was computed. [2018-10-26 22:27:35,231 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 17 37) the Hoare annotation is: true [2018-10-26 22:27:35,231 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-10-26 22:27:35,231 INFO L425 ceAbstractionStarter]: For program point L26-1(lines 26 29) no Hoare annotation was computed. [2018-10-26 22:27:35,231 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 24 30) no Hoare annotation was computed. [2018-10-26 22:27:35,231 INFO L425 ceAbstractionStarter]: For program point L24-3(lines 24 30) no Hoare annotation was computed. [2018-10-26 22:27:35,231 INFO L421 ceAbstractionStarter]: At program point L24-4(lines 24 30) the Hoare annotation is: (or (= main_~flag~0 1) (and (exists ((v_init_~i~0_11 Int)) (and (< v_init_~i~0_11 100000) (not (= (select (select |#memory_$Pointer$.base| |main_~#a~0.base|) (+ (* 4 v_init_~i~0_11) |main_~#a~0.offset|)) 0)) (<= 99999 v_init_~i~0_11))) (< main_~i~1 100000))) [2018-10-26 22:27:35,231 INFO L425 ceAbstractionStarter]: For program point L24-5(lines 24 30) no Hoare annotation was computed. [2018-10-26 22:27:35,231 INFO L425 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-10-26 22:27:35,231 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-10-26 22:27:35,232 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-10-26 22:27:35,232 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-10-26 22:27:35,232 INFO L425 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-10-26 22:27:35,232 INFO L425 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-10-26 22:27:35,241 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,243 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-10-26 22:27:35,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,243 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-10-26 22:27:35,244 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,244 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-10-26 22:27:35,244 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,245 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-10-26 22:27:35,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,246 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-10-26 22:27:35,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,247 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-10-26 22:27:35,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,248 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-10-26 22:27:35,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,248 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-10-26 22:27:35,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:27:35 BoogieIcfgContainer [2018-10-26 22:27:35,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:27:35,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:27:35,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:27:35,251 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:27:35,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:27:30" (3/4) ... [2018-10-26 22:27:35,255 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:27:35,261 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure init [2018-10-26 22:27:35,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:27:35,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:27:35,262 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-26 22:27:35,266 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-10-26 22:27:35,266 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-26 22:27:35,266 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 22:27:35,293 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: flag == 1 || ((\exists v_init_~i~0_11 : int :: (v_init_~i~0_11 < 100000 && !(#memory_$Pointer$[a][4 * v_init_~i~0_11 + a] == 0)) && 99999 <= v_init_~i~0_11) && i < 100000) [2018-10-26 22:27:35,293 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((i <= 0 && a == a) && \old(size) == size) && a == a) || ((((\exists v_init_~i~0_11 : int :: (i <= v_init_~i~0_11 + 1 && !(#memory_$Pointer$[a][4 * v_init_~i~0_11 + a] == 0)) && v_init_~i~0_11 < size) && a == a) && \old(size) == size) && a == a) [2018-10-26 22:27:35,307 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2f234fa2-20fe-4272-8fcc-2481cf330406/bin-2019/uautomizer/witness.graphml [2018-10-26 22:27:35,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:27:35,308 INFO L168 Benchmark]: Toolchain (without parser) took 5250.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -111.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:27:35,309 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 22:27:35,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.59 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 22:27:35,310 INFO L168 Benchmark]: Boogie Preprocessor took 36.11 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 22:27:35,310 INFO L168 Benchmark]: RCFGBuilder took 579.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:27:35,310 INFO L168 Benchmark]: TraceAbstraction took 4386.06 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: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:27:35,311 INFO L168 Benchmark]: Witness Printer took 56.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:27:35,313 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 188.59 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 948.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 579.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4386.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. * Witness Printer took 56.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: flag == 1 - InvariantResult [Line: 24]: Loop Invariant [2018-10-26 22:27:35,318 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,318 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-10-26 22:27:35,318 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,319 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,319 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-10-26 22:27:35,319 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,319 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-10-26 22:27:35,319 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,319 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,320 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: flag == 1 || ((\exists v_init_~i~0_11 : int :: (v_init_~i~0_11 < 100000 && !(#memory_$Pointer$[a][4 * v_init_~i~0_11 + a] == 0)) && 99999 <= v_init_~i~0_11) && i < 100000) - InvariantResult [Line: 12]: Loop Invariant [2018-10-26 22:27:35,320 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,320 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-10-26 22:27:35,320 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,320 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,321 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-10-26 22:27:35,321 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,321 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-10-26 22:27:35,321 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,321 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_11,QUANTIFIED] [2018-10-26 22:27:35,322 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((i <= 0 && a == a) && \old(size) == size) && a == a) || ((((\exists v_init_~i~0_11 : int :: (i <= v_init_~i~0_11 + 1 && !(#memory_$Pointer$[a][4 * v_init_~i~0_11 + a] == 0)) && v_init_~i~0_11 < size) && a == a) && \old(size) == size) && a == a) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 43 locations, 1 error locations. SAFE Result, 4.3s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 239 SDtfs, 207 SDslu, 655 SDs, 0 SdLazy, 350 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=6, 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, 7 MinimizatonAttempts, 91 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 17 PreInvPairs, 29 NumberOfFragments, 85 HoareAnnotationTreeSize, 17 FomulaSimplifications, 76 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 147 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 438 NumberOfCodeBlocks, 413 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 427 ConstructedInterpolants, 23 QuantifiedInterpolants, 67529 SizeOfPredicates, 15 NumberOfNonLiveVariables, 484 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 103/206 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...