./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/memsafety-ext3/getNumbers3_true-valid-memsafety.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/memsafety-ext3/getNumbers3_true-valid-memsafety.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8f17cf5334c3a5b079beafc57a2e2bffaea721f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 00:37:22,824 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 00:37:22,825 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 00:37:22,841 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 00:37:22,841 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 00:37:22,842 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 00:37:22,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 00:37:22,846 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 00:37:22,847 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 00:37:22,848 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 00:37:22,849 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 00:37:22,850 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 00:37:22,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 00:37:22,852 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 00:37:22,853 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 00:37:22,854 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 00:37:22,856 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 00:37:22,857 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 00:37:22,860 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 00:37:22,862 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 00:37:22,863 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 00:37:22,864 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 00:37:22,868 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 00:37:22,868 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 00:37:22,868 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 00:37:22,870 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 00:37:22,871 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 00:37:22,871 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 00:37:22,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 00:37:22,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 00:37:22,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 00:37:22,876 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 00:37:22,876 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 00:37:22,876 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 00:37:22,877 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 00:37:22,878 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 00:37:22,879 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-14 00:37:22,894 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 00:37:22,895 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 00:37:22,896 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 00:37:22,898 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 00:37:22,899 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 00:37:22,899 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 00:37:22,899 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 00:37:22,899 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 00:37:22,899 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 00:37:22,900 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 00:37:22,900 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 00:37:22,900 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 00:37:22,900 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 00:37:22,900 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 00:37:22,900 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 00:37:22,901 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 00:37:22,901 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 00:37:22,901 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 00:37:22,901 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 00:37:22,901 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 00:37:22,901 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 00:37:22,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 00:37:22,902 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 00:37:22,902 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 00:37:22,902 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 00:37:22,902 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 00:37:22,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8f17cf5334c3a5b079beafc57a2e2bffaea721f [2019-01-14 00:37:22,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 00:37:22,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 00:37:22,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 00:37:22,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 00:37:22,985 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 00:37:22,985 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/memsafety-ext3/getNumbers3_true-valid-memsafety.c [2019-01-14 00:37:23,042 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0a623ea4/765f3861852f493fb94b846099ae775a/FLAGf2547cbbd [2019-01-14 00:37:23,453 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 00:37:23,455 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/memsafety-ext3/getNumbers3_true-valid-memsafety.c [2019-01-14 00:37:23,462 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0a623ea4/765f3861852f493fb94b846099ae775a/FLAGf2547cbbd [2019-01-14 00:37:23,818 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0a623ea4/765f3861852f493fb94b846099ae775a [2019-01-14 00:37:23,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 00:37:23,824 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 00:37:23,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 00:37:23,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 00:37:23,832 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 00:37:23,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 12:37:23" (1/1) ... [2019-01-14 00:37:23,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47617b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:37:23, skipping insertion in model container [2019-01-14 00:37:23,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 12:37:23" (1/1) ... [2019-01-14 00:37:23,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 00:37:23,864 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 00:37:24,101 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 00:37:24,127 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 00:37:24,142 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 00:37:24,163 INFO L195 MainTranslator]: Completed translation [2019-01-14 00:37:24,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:37:24 WrapperNode [2019-01-14 00:37:24,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 00:37:24,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 00:37:24,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 00:37:24,165 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 00:37:24,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:37:24" (1/1) ... [2019-01-14 00:37:24,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:37:24" (1/1) ... [2019-01-14 00:37:24,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:37:24" (1/1) ... [2019-01-14 00:37:24,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:37:24" (1/1) ... [2019-01-14 00:37:24,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:37:24" (1/1) ... [2019-01-14 00:37:24,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:37:24" (1/1) ... [2019-01-14 00:37:24,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:37:24" (1/1) ... [2019-01-14 00:37:24,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 00:37:24,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 00:37:24,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 00:37:24,199 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 00:37:24,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:37:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 00:37:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 00:37:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 00:37:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getNumbers [2019-01-14 00:37:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 00:37:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure getNumbers [2019-01-14 00:37:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 00:37:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 00:37:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 00:37:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 00:37:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 00:37:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 00:37:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 00:37:24,703 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 00:37:24,704 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-14 00:37:24,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 12:37:24 BoogieIcfgContainer [2019-01-14 00:37:24,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 00:37:24,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 00:37:24,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 00:37:24,709 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 00:37:24,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 12:37:23" (1/3) ... [2019-01-14 00:37:24,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f100ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 12:37:24, skipping insertion in model container [2019-01-14 00:37:24,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:37:24" (2/3) ... [2019-01-14 00:37:24,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f100ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 12:37:24, skipping insertion in model container [2019-01-14 00:37:24,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 12:37:24" (3/3) ... [2019-01-14 00:37:24,713 INFO L112 eAbstractionObserver]: Analyzing ICFG getNumbers3_true-valid-memsafety.c [2019-01-14 00:37:24,722 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 00:37:24,729 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-01-14 00:37:24,746 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-01-14 00:37:24,773 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 00:37:24,774 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 00:37:24,774 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 00:37:24,774 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 00:37:24,774 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 00:37:24,774 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 00:37:24,775 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 00:37:24,775 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 00:37:24,775 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 00:37:24,791 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-01-14 00:37:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-14 00:37:24,801 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 00:37:24,802 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 00:37:24,804 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-01-14 00:37:24,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 00:37:24,810 INFO L82 PathProgramCache]: Analyzing trace with hash -335730452, now seen corresponding path program 1 times [2019-01-14 00:37:24,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 00:37:24,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 00:37:24,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:37:24,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 00:37:24,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:37:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 00:37:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 00:37:24,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 00:37:24,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 00:37:24,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 00:37:24,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 00:37:24,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 00:37:24,991 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 3 states. [2019-01-14 00:37:25,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 00:37:25,044 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2019-01-14 00:37:25,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 00:37:25,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-01-14 00:37:25,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 00:37:25,057 INFO L225 Difference]: With dead ends: 23 [2019-01-14 00:37:25,057 INFO L226 Difference]: Without dead ends: 18 [2019-01-14 00:37:25,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 00:37:25,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-01-14 00:37:25,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-01-14 00:37:25,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-01-14 00:37:25,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-01-14 00:37:25,099 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 9 [2019-01-14 00:37:25,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 00:37:25,099 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-01-14 00:37:25,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 00:37:25,100 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-01-14 00:37:25,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-14 00:37:25,100 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 00:37:25,100 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 00:37:25,101 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-01-14 00:37:25,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 00:37:25,101 INFO L82 PathProgramCache]: Analyzing trace with hash -335730451, now seen corresponding path program 1 times [2019-01-14 00:37:25,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 00:37:25,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 00:37:25,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:37:25,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 00:37:25,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:37:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 00:37:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 00:37:25,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 00:37:25,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 00:37:25,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 00:37:25,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 00:37:25,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-14 00:37:25,420 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 4 states. [2019-01-14 00:37:25,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 00:37:25,616 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2019-01-14 00:37:25,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 00:37:25,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-01-14 00:37:25,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 00:37:25,618 INFO L225 Difference]: With dead ends: 21 [2019-01-14 00:37:25,618 INFO L226 Difference]: Without dead ends: 21 [2019-01-14 00:37:25,619 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-14 00:37:25,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-01-14 00:37:25,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2019-01-14 00:37:25,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-01-14 00:37:25,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-01-14 00:37:25,624 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 9 [2019-01-14 00:37:25,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 00:37:25,624 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-01-14 00:37:25,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 00:37:25,624 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-01-14 00:37:25,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-14 00:37:25,625 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 00:37:25,625 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 00:37:25,626 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-01-14 00:37:25,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 00:37:25,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1232932722, now seen corresponding path program 1 times [2019-01-14 00:37:25,626 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 00:37:25,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 00:37:25,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:37:25,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 00:37:25,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:37:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 00:37:26,059 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2019-01-14 00:37:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 00:37:26,063 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 00:37:26,063 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 00:37:26,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 00:37:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 00:37:26,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 00:37:26,141 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-14 00:37:26,143 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 00:37:26,152 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 00:37:26,153 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-14 00:37:26,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 00:37:26,222 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 00:37:26,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2019-01-14 00:37:26,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 00:37:26,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 00:37:26,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-14 00:37:26,223 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 5 states. [2019-01-14 00:37:26,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 00:37:26,373 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-01-14 00:37:26,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 00:37:26,374 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-01-14 00:37:26,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 00:37:26,375 INFO L225 Difference]: With dead ends: 24 [2019-01-14 00:37:26,376 INFO L226 Difference]: Without dead ends: 24 [2019-01-14 00:37:26,376 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-14 00:37:26,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-01-14 00:37:26,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2019-01-14 00:37:26,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-14 00:37:26,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2019-01-14 00:37:26,382 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 12 [2019-01-14 00:37:26,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 00:37:26,382 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2019-01-14 00:37:26,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 00:37:26,383 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2019-01-14 00:37:26,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-14 00:37:26,383 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 00:37:26,384 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 00:37:26,384 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-01-14 00:37:26,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 00:37:26,384 INFO L82 PathProgramCache]: Analyzing trace with hash -261628211, now seen corresponding path program 2 times [2019-01-14 00:37:26,385 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 00:37:26,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 00:37:26,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:37:26,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 00:37:26,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:37:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 00:37:26,753 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 00:37:26,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 00:37:26,753 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 00:37:26,766 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-14 00:37:26,785 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-14 00:37:26,785 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-14 00:37:26,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 00:37:26,795 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-01-14 00:37:26,796 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 00:37:26,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 00:37:26,804 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-14 00:37:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 00:37:27,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-14 00:37:27,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2019-01-14 00:37:27,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-14 00:37:27,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-14 00:37:27,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-01-14 00:37:27,343 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 11 states. [2019-01-14 00:37:27,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 00:37:27,591 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2019-01-14 00:37:27,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-14 00:37:27,593 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2019-01-14 00:37:27,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 00:37:27,594 INFO L225 Difference]: With dead ends: 27 [2019-01-14 00:37:27,594 INFO L226 Difference]: Without dead ends: 27 [2019-01-14 00:37:27,595 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2019-01-14 00:37:27,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-01-14 00:37:27,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-01-14 00:37:27,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-14 00:37:27,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2019-01-14 00:37:27,599 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 15 [2019-01-14 00:37:27,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 00:37:27,600 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2019-01-14 00:37:27,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-14 00:37:27,600 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2019-01-14 00:37:27,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-14 00:37:27,601 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 00:37:27,601 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 00:37:27,601 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-01-14 00:37:27,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 00:37:27,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1477178083, now seen corresponding path program 1 times [2019-01-14 00:37:27,602 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 00:37:27,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 00:37:27,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:37:27,603 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 00:37:27,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:37:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 00:37:27,694 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-01-14 00:37:27,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 00:37:27,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 00:37:27,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-14 00:37:27,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 00:37:27,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 00:37:27,696 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 6 states. [2019-01-14 00:37:27,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 00:37:27,774 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-01-14 00:37:27,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 00:37:27,775 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-01-14 00:37:27,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 00:37:27,776 INFO L225 Difference]: With dead ends: 26 [2019-01-14 00:37:27,777 INFO L226 Difference]: Without dead ends: 26 [2019-01-14 00:37:27,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-01-14 00:37:27,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-01-14 00:37:27,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-01-14 00:37:27,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-01-14 00:37:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-01-14 00:37:27,782 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 25 [2019-01-14 00:37:27,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 00:37:27,782 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-01-14 00:37:27,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-14 00:37:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-01-14 00:37:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-14 00:37:27,783 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 00:37:27,783 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 00:37:27,784 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, getNumbersErr0REQUIRES_VIOLATION, getNumbersErr1REQUIRES_VIOLATION]=== [2019-01-14 00:37:27,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 00:37:27,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1477178082, now seen corresponding path program 1 times [2019-01-14 00:37:27,784 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 00:37:27,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 00:37:27,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:37:27,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 00:37:27,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:37:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 00:37:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-01-14 00:37:27,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 00:37:27,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 00:37:27,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-14 00:37:27,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 00:37:27,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-14 00:37:27,904 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 6 states. [2019-01-14 00:37:28,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 00:37:28,055 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2019-01-14 00:37:28,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 00:37:28,055 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-01-14 00:37:28,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 00:37:28,056 INFO L225 Difference]: With dead ends: 25 [2019-01-14 00:37:28,056 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 00:37:28,057 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-01-14 00:37:28,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 00:37:28,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 00:37:28,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 00:37:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 00:37:28,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-01-14 00:37:28,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 00:37:28,059 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 00:37:28,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-14 00:37:28,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 00:37:28,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 00:37:28,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 12:37:28 BoogieIcfgContainer [2019-01-14 00:37:28,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 00:37:28,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 00:37:28,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 00:37:28,066 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 00:37:28,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 12:37:24" (3/4) ... [2019-01-14 00:37:28,070 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 00:37:28,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-01-14 00:37:28,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-01-14 00:37:28,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getNumbers [2019-01-14 00:37:28,083 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-01-14 00:37:28,083 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-14 00:37:28,083 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-14 00:37:28,129 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 00:37:28,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 00:37:28,131 INFO L168 Benchmark]: Toolchain (without parser) took 4308.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.4 MB in the beginning and 963.1 MB in the end (delta: -11.8 MB). Peak memory consumption was 127.2 MB. Max. memory is 11.5 GB. [2019-01-14 00:37:28,132 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 00:37:28,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.61 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 00:37:28,136 INFO L168 Benchmark]: Boogie Preprocessor took 33.38 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 00:37:28,136 INFO L168 Benchmark]: RCFGBuilder took 506.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-14 00:37:28,137 INFO L168 Benchmark]: TraceAbstraction took 3358.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.1 MB in the end (delta: 151.2 MB). Peak memory consumption was 151.2 MB. Max. memory is 11.5 GB. [2019-01-14 00:37:28,141 INFO L168 Benchmark]: Witness Printer took 64.03 ms. Allocated memory is still 1.2 GB. Free memory is still 963.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 00:37:28,150 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.61 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.38 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 506.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3358.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.1 MB in the end (delta: 151.2 MB). Peak memory consumption was 151.2 MB. Max. memory is 11.5 GB. * Witness Printer took 64.03 ms. Allocated memory is still 1.2 GB. Free memory is still 963.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 6]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 6]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 25 locations, 5 error locations. SAFE Result, 3.3s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 77 SDtfs, 90 SDslu, 72 SDs, 0 SdLazy, 168 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 24 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=4, 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, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 12120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 124 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 51/62 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...