./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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/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_57064a1f-d669-45bd-ae34-ba15881bf0a8/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/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 0.1.23-5842f4b [2018-11-18 13:07:50,826 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:07:50,827 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:07:50,833 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:07:50,834 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:07:50,834 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:07:50,835 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:07:50,836 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:07:50,837 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:07:50,838 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:07:50,839 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:07:50,839 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:07:50,839 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:07:50,840 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:07:50,841 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:07:50,842 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:07:50,842 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:07:50,843 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:07:50,845 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:07:50,846 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:07:50,846 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:07:50,847 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:07:50,849 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:07:50,849 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:07:50,849 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:07:50,849 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:07:50,850 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:07:50,851 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:07:50,851 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:07:50,852 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:07:50,852 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:07:50,852 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:07:50,853 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:07:50,853 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:07:50,853 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:07:50,854 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:07:50,854 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 13:07:50,861 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:07:50,861 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:07:50,862 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:07:50,862 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 13:07:50,862 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:07:50,862 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:07:50,862 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:07:50,863 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:07:50,863 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:07:50,863 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:07:50,863 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:07:50,863 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:07:50,863 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:07:50,863 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:07:50,863 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:07:50,863 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:07:50,864 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:07:50,864 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:07:50,864 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:07:50,864 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:07:50,864 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:07:50,864 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:07:50,864 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:07:50,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:07:50,865 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:07:50,865 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:07:50,865 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:07:50,865 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:07:50,865 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:07:50,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:07:50,865 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_57064a1f-d669-45bd-ae34-ba15881bf0a8/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 [2018-11-18 13:07:50,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:07:50,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:07:50,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:07:50,902 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:07:50,903 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:07:50,903 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/bin-2019/uautomizer/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init_true-unreach-call.i [2018-11-18 13:07:50,944 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/bin-2019/uautomizer/data/0e5398521/50f7daf8380a4d4cab5994165759d79e/FLAGeea649efb [2018-11-18 13:07:51,277 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:07:51,278 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init_true-unreach-call.i [2018-11-18 13:07:51,282 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/bin-2019/uautomizer/data/0e5398521/50f7daf8380a4d4cab5994165759d79e/FLAGeea649efb [2018-11-18 13:07:51,704 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/bin-2019/uautomizer/data/0e5398521/50f7daf8380a4d4cab5994165759d79e [2018-11-18 13:07:51,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:07:51,707 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:07:51,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:07:51,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:07:51,711 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:07:51,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:07:51" (1/1) ... [2018-11-18 13:07:51,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e346de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:07:51, skipping insertion in model container [2018-11-18 13:07:51,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:07:51" (1/1) ... [2018-11-18 13:07:51,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:07:51,738 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:07:51,856 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:07:51,860 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:07:51,872 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:07:51,881 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:07:51,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:07:51 WrapperNode [2018-11-18 13:07:51,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:07:51,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:07:51,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:07:51,882 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:07:51,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:07:51" (1/1) ... [2018-11-18 13:07:51,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:07:51" (1/1) ... [2018-11-18 13:07:51,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:07:51" (1/1) ... [2018-11-18 13:07:51,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:07:51" (1/1) ... [2018-11-18 13:07:51,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:07:51" (1/1) ... [2018-11-18 13:07:51,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:07:51" (1/1) ... [2018-11-18 13:07:51,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:07:51" (1/1) ... [2018-11-18 13:07:51,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:07:51,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:07:51,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:07:51,906 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:07:51,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:07:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/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 [2018-11-18 13:07:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:07:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:07:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 13:07:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-11-18 13:07:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:07:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 13:07:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:07:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 13:07:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-11-18 13:07:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:07:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 13:07:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:07:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 13:07:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:07:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:07:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:07:52,114 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:07:52,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:07:52 BoogieIcfgContainer [2018-11-18 13:07:52,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:07:52,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:07:52,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:07:52,117 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:07:52,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:07:51" (1/3) ... [2018-11-18 13:07:52,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa85450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:07:52, skipping insertion in model container [2018-11-18 13:07:52,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:07:51" (2/3) ... [2018-11-18 13:07:52,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa85450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:07:52, skipping insertion in model container [2018-11-18 13:07:52,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:07:52" (3/3) ... [2018-11-18 13:07:52,120 INFO L112 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_flag_init_true-unreach-call.i [2018-11-18 13:07:52,128 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:07:52,134 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:07:52,143 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:07:52,167 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:07:52,168 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:07:52,168 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:07:52,168 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:07:52,168 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:07:52,168 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:07:52,168 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:07:52,168 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:07:52,168 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:07:52,184 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-11-18 13:07:52,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:07:52,190 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:07:52,190 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] [2018-11-18 13:07:52,191 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:07:52,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:07:52,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1280416473, now seen corresponding path program 1 times [2018-11-18 13:07:52,196 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:07:52,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:07:52,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:52,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:07:52,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:07:52,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:07:52,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:07:52,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:07:52,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:07:52,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:07:52,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:07:52,299 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2018-11-18 13:07:52,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:07:52,312 INFO L93 Difference]: Finished difference Result 61 states and 76 transitions. [2018-11-18 13:07:52,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:07:52,313 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-18 13:07:52,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:07:52,318 INFO L225 Difference]: With dead ends: 61 [2018-11-18 13:07:52,318 INFO L226 Difference]: Without dead ends: 31 [2018-11-18 13:07:52,320 INFO L604 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 [2018-11-18 13:07:52,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-18 13:07:52,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-18 13:07:52,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-18 13:07:52,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2018-11-18 13:07:52,348 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 21 [2018-11-18 13:07:52,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:07:52,348 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2018-11-18 13:07:52,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:07:52,348 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2018-11-18 13:07:52,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:07:52,349 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:07:52,349 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] [2018-11-18 13:07:52,349 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:07:52,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:07:52,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1572312329, now seen corresponding path program 1 times [2018-11-18 13:07:52,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:07:52,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:07:52,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:52,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:07:52,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:07:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:07:52,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:07:52,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:07:52,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:07:52,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:07:52,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:07:52,406 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 3 states. [2018-11-18 13:07:52,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:07:52,450 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2018-11-18 13:07:52,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:07:52,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-11-18 13:07:52,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:07:52,452 INFO L225 Difference]: With dead ends: 54 [2018-11-18 13:07:52,453 INFO L226 Difference]: Without dead ends: 41 [2018-11-18 13:07:52,453 INFO L604 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 [2018-11-18 13:07:52,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-18 13:07:52,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 33. [2018-11-18 13:07:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-18 13:07:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2018-11-18 13:07:52,459 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 23 [2018-11-18 13:07:52,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:07:52,460 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2018-11-18 13:07:52,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:07:52,460 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2018-11-18 13:07:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 13:07:52,460 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:07:52,460 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] [2018-11-18 13:07:52,460 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:07:52,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:07:52,461 INFO L82 PathProgramCache]: Analyzing trace with hash -544729024, now seen corresponding path program 1 times [2018-11-18 13:07:52,461 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:07:52,461 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:07:52,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:52,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:07:52,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:07:52,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:07:52,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:07:52,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:07:52,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:07:52,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:07:52,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:07:52,507 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 3 states. [2018-11-18 13:07:52,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:07:52,520 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions. [2018-11-18 13:07:52,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:07:52,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-11-18 13:07:52,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:07:52,521 INFO L225 Difference]: With dead ends: 54 [2018-11-18 13:07:52,521 INFO L226 Difference]: Without dead ends: 33 [2018-11-18 13:07:52,521 INFO L604 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 [2018-11-18 13:07:52,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-18 13:07:52,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-18 13:07:52,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-18 13:07:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2018-11-18 13:07:52,524 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 27 [2018-11-18 13:07:52,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:07:52,525 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2018-11-18 13:07:52,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:07:52,525 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2018-11-18 13:07:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 13:07:52,525 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:07:52,525 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] [2018-11-18 13:07:52,525 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:07:52,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:07:52,526 INFO L82 PathProgramCache]: Analyzing trace with hash -286563586, now seen corresponding path program 1 times [2018-11-18 13:07:52,526 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:07:52,526 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:07:52,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:52,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:07:52,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:07:52,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:07:52,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:07:52,550 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:07:52,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:07:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:07:52,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:07:52,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:07:52,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:07:52,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2018-11-18 13:07:52,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:07:52,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:07:52,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:07:52,667 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 6 states. [2018-11-18 13:07:52,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:07:52,735 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions. [2018-11-18 13:07:52,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:07:52,736 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-11-18 13:07:52,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:07:52,737 INFO L225 Difference]: With dead ends: 76 [2018-11-18 13:07:52,737 INFO L226 Difference]: Without dead ends: 54 [2018-11-18 13:07:52,737 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:07:52,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-18 13:07:52,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 39. [2018-11-18 13:07:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-18 13:07:52,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-11-18 13:07:52,742 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 27 [2018-11-18 13:07:52,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:07:52,742 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-11-18 13:07:52,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:07:52,742 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-11-18 13:07:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 13:07:52,743 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:07:52,743 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 13:07:52,743 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:07:52,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:07:52,743 INFO L82 PathProgramCache]: Analyzing trace with hash -100072505, now seen corresponding path program 1 times [2018-11-18 13:07:52,743 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:07:52,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:07:52,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:52,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:07:52,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:07:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:07:52,792 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:07:52,792 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/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 [2018-11-18 13:07:52,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:07:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:07:52,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:07:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:07:52,885 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:07:52,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-11-18 13:07:52,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:07:52,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:07:52,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:07:52,886 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 8 states. [2018-11-18 13:07:52,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:07:52,944 INFO L93 Difference]: Finished difference Result 93 states and 106 transitions. [2018-11-18 13:07:52,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:07:52,944 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-11-18 13:07:52,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:07:52,945 INFO L225 Difference]: With dead ends: 93 [2018-11-18 13:07:52,945 INFO L226 Difference]: Without dead ends: 67 [2018-11-18 13:07:52,945 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:07:52,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-18 13:07:52,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 46. [2018-11-18 13:07:52,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-18 13:07:52,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2018-11-18 13:07:52,949 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 34 [2018-11-18 13:07:52,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:07:52,949 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2018-11-18 13:07:52,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:07:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2018-11-18 13:07:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 13:07:52,949 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:07:52,950 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:07:52,950 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:07:52,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:07:52,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1644158644, now seen corresponding path program 2 times [2018-11-18 13:07:52,950 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:07:52,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:07:52,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:52,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:07:52,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:07:53,003 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:07:53,004 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:07:53,004 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/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 [2018-11-18 13:07:53,017 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 13:07:53,038 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 13:07:53,039 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 13:07:53,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:07:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:07:53,091 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:07:53,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-11-18 13:07:53,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:07:53,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:07:53,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:07:53,092 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand 10 states. [2018-11-18 13:07:53,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:07:53,186 INFO L93 Difference]: Finished difference Result 110 states and 125 transitions. [2018-11-18 13:07:53,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 13:07:53,187 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2018-11-18 13:07:53,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:07:53,187 INFO L225 Difference]: With dead ends: 110 [2018-11-18 13:07:53,188 INFO L226 Difference]: Without dead ends: 80 [2018-11-18 13:07:53,188 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:07:53,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-18 13:07:53,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 53. [2018-11-18 13:07:53,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-18 13:07:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 56 transitions. [2018-11-18 13:07:53,194 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 56 transitions. Word has length 41 [2018-11-18 13:07:53,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:07:53,194 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 56 transitions. [2018-11-18 13:07:53,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:07:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2018-11-18 13:07:53,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 13:07:53,195 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:07:53,195 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:07:53,195 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:07:53,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:07:53,196 INFO L82 PathProgramCache]: Analyzing trace with hash -300658795, now seen corresponding path program 3 times [2018-11-18 13:07:53,196 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:07:53,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:07:53,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:53,197 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:07:53,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:07:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:07:53,274 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:07:53,275 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:07:53,275 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/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 [2018-11-18 13:07:53,283 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 13:07:53,305 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-18 13:07:53,305 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 13:07:53,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:07:53,366 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 [2018-11-18 13:07:53,369 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 [2018-11-18 13:07:53,370 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:07:53,372 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:07:53,380 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:07:53,380 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-11-18 13:07:53,466 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 [2018-11-18 13:07:53,474 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 [2018-11-18 13:07:53,475 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-18 13:07:53,479 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 13:07:53,490 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 13:07:53,490 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:33, output treesize:20 [2018-11-18 13:07:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 13:07:53,564 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:07:53,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-18 13:07:53,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 13:07:53,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 13:07:53,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-11-18 13:07:53,565 INFO L87 Difference]: Start difference. First operand 53 states and 56 transitions. Second operand 15 states. [2018-11-18 13:07:53,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:07:53,820 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2018-11-18 13:07:53,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 13:07:53,820 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 48 [2018-11-18 13:07:53,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:07:53,821 INFO L225 Difference]: With dead ends: 62 [2018-11-18 13:07:53,821 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:07:53,821 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=160, Invalid=490, Unknown=0, NotChecked=0, Total=650 [2018-11-18 13:07:53,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:07:53,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:07:53,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:07:53,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:07:53,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2018-11-18 13:07:53,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:07:53,822 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:07:53,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 13:07:53,823 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:07:53,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:07:53,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:07:53,935 INFO L428 ceAbstractionStarter]: At program point initENTRY(lines 9 16) the Hoare annotation is: true [2018-11-18 13:07:53,935 INFO L425 ceAbstractionStarter]: For program point initEXIT(lines 9 16) no Hoare annotation was computed. [2018-11-18 13:07:53,937 INFO L425 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2018-11-18 13:07:53,937 INFO L425 ceAbstractionStarter]: For program point L12-3(lines 12 15) no Hoare annotation was computed. [2018-11-18 13:07:53,937 INFO L421 ceAbstractionStarter]: At program point L12-4(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 .cse0 .cse1 (exists ((v_init_~i~0_10 Int)) (and (not (= (select (select |#memory_$Pointer$.base| |init_#in~a.base|) (+ (* 4 v_init_~i~0_10) |init_#in~a.offset|)) 0)) (< v_init_~i~0_10 init_~size) (<= init_~i~0 (+ v_init_~i~0_10 1)))) .cse2))) [2018-11-18 13:07:53,937 INFO L425 ceAbstractionStarter]: For program point L12-5(lines 9 16) no Hoare annotation was computed. [2018-11-18 13:07:53,937 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:07:53,938 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:07:53,938 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:07:53,938 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:07:53,938 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 13:07:53,938 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:07:53,938 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:07:53,938 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-11-18 13:07:53,938 INFO L425 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-11-18 13:07:53,938 INFO L425 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2018-11-18 13:07:53,938 INFO L421 ceAbstractionStarter]: At program point L31-4(lines 31 35) the Hoare annotation is: (= main_~flag~0 1) [2018-11-18 13:07:53,938 INFO L425 ceAbstractionStarter]: For program point L31-5(lines 31 35) no Hoare annotation was computed. [2018-11-18 13:07:53,938 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 17 37) no Hoare annotation was computed. [2018-11-18 13:07:53,938 INFO L428 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: true [2018-11-18 13:07:53,938 INFO L425 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-11-18 13:07:53,939 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 17 37) no Hoare annotation was computed. [2018-11-18 13:07:53,939 INFO L421 ceAbstractionStarter]: At program point L34(line 34) the Hoare annotation is: false [2018-11-18 13:07:53,939 INFO L425 ceAbstractionStarter]: For program point L34-1(line 34) no Hoare annotation was computed. [2018-11-18 13:07:53,939 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 17 37) the Hoare annotation is: true [2018-11-18 13:07:53,939 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 29) no Hoare annotation was computed. [2018-11-18 13:07:53,939 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 24 30) no Hoare annotation was computed. [2018-11-18 13:07:53,939 INFO L425 ceAbstractionStarter]: For program point L24-3(lines 24 30) no Hoare annotation was computed. [2018-11-18 13:07:53,939 INFO L421 ceAbstractionStarter]: At program point L24-4(lines 24 30) the Hoare annotation is: (or (and (<= main_~i~1 99999) (exists ((v_init_~i~0_10 Int)) (and (not (= (select (select |#memory_$Pointer$.base| |main_~#a~0.base|) (+ (* 4 v_init_~i~0_10) |main_~#a~0.offset|)) 0)) (< v_init_~i~0_10 100000) (<= 99999 v_init_~i~0_10)))) (= main_~flag~0 1)) [2018-11-18 13:07:53,939 INFO L425 ceAbstractionStarter]: For program point L24-5(lines 24 30) no Hoare annotation was computed. [2018-11-18 13:07:53,939 INFO L425 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-11-18 13:07:53,939 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-11-18 13:07:53,939 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-11-18 13:07:53,940 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-11-18 13:07:53,940 INFO L425 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-11-18 13:07:53,940 INFO L425 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-11-18 13:07:53,951 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-18 13:07:53,952 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:53,952 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:53,952 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:53,952 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-18 13:07:53,953 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-18 13:07:53,953 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:53,953 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:53,953 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:53,954 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-18 13:07:53,955 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-18 13:07:53,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:53,956 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:53,956 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:53,956 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-18 13:07:53,957 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-18 13:07:53,957 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:53,957 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:53,957 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:53,957 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-18 13:07:53,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:07:53 BoogieIcfgContainer [2018-11-18 13:07:53,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:07:53,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:07:53,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:07:53,959 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:07:53,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:07:52" (3/4) ... [2018-11-18 13:07:53,966 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:07:53,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure init [2018-11-18 13:07:53,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:07:53,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:07:53,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 13:07:53,975 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 13:07:53,975 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 13:07:53,976 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 13:07:54,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (i <= 99999 && (\exists v_init_~i~0_10 : int :: (!(#memory_$Pointer$[a][4 * v_init_~i~0_10 + a] == 0) && v_init_~i~0_10 < 100000) && 99999 <= v_init_~i~0_10)) || flag == 1 [2018-11-18 13:07:54,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((i <= 0 && a == a) && \old(size) == size) && a == a) || (((a == a && \old(size) == size) && (\exists v_init_~i~0_10 : int :: (!(#memory_$Pointer$[a][4 * v_init_~i~0_10 + a] == 0) && v_init_~i~0_10 < size) && i <= v_init_~i~0_10 + 1)) && a == a) [2018-11-18 13:07:54,014 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_57064a1f-d669-45bd-ae34-ba15881bf0a8/bin-2019/uautomizer/witness.graphml [2018-11-18 13:07:54,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:07:54,015 INFO L168 Benchmark]: Toolchain (without parser) took 2308.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 960.8 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:07:54,017 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:07:54,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.91 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 950.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:07:54,018 INFO L168 Benchmark]: Boogie Preprocessor took 23.58 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:07:54,018 INFO L168 Benchmark]: RCFGBuilder took 208.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:07:54,018 INFO L168 Benchmark]: TraceAbstraction took 1843.95 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: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:07:54,019 INFO L168 Benchmark]: Witness Printer took 55.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:07:54,020 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.91 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 950.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.58 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 208.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1843.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. * Witness Printer took 55.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,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_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,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_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,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_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,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 [2018-11-18 13:07:54,024 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-18 13:07:54,025 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:54,025 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:54,025 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:54,025 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-18 13:07:54,025 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-18 13:07:54,026 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:54,026 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:54,026 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:54,026 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (i <= 99999 && (\exists v_init_~i~0_10 : int :: (!(#memory_$Pointer$[a][4 * v_init_~i~0_10 + a] == 0) && v_init_~i~0_10 < 100000) && 99999 <= v_init_~i~0_10)) || flag == 1 - InvariantResult [Line: 12]: Loop Invariant [2018-11-18 13:07:54,026 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-18 13:07:54,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:54,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:54,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:54,027 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-18 13:07:54,028 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-18 13:07:54,028 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:54,028 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:54,028 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_init_~i~0_10,QUANTIFIED] [2018-11-18 13:07:54,028 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((i <= 0 && a == a) && \old(size) == size) && a == a) || (((a == a && \old(size) == size) && (\exists v_init_~i~0_10 : int :: (!(#memory_$Pointer$[a][4 * v_init_~i~0_10 + a] == 0) && v_init_~i~0_10 < size) && i <= v_init_~i~0_10 + 1)) && a == a) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 36 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 210 SDtfs, 131 SDslu, 494 SDs, 0 SdLazy, 257 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 71 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, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 371 NumberOfCodeBlocks, 353 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 360 ConstructedInterpolants, 19 QuantifiedInterpolants, 43310 SizeOfPredicates, 15 NumberOfNonLiveVariables, 484 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 79/170 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...