./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f5bdb078d6ad5b90a3e716506f89d68a310f749 ...................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/AutomizerReach.xml -i /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f5bdb078d6ad5b90a3e716506f89d68a310f749 ....................................................................................................................................................................................................................................................................................................... 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 17:54:17,860 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 17:54:17,862 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 17:54:17,874 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 17:54:17,875 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 17:54:17,876 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 17:54:17,877 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 17:54:17,879 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 17:54:17,881 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 17:54:17,882 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 17:54:17,883 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 17:54:17,884 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 17:54:17,884 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 17:54:17,886 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 17:54:17,887 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 17:54:17,888 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 17:54:17,889 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 17:54:17,891 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 17:54:17,893 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 17:54:17,895 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 17:54:17,896 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 17:54:17,898 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 17:54:17,901 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 17:54:17,901 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 17:54:17,901 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 17:54:17,902 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 17:54:17,903 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 17:54:17,905 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 17:54:17,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 17:54:17,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 17:54:17,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 17:54:17,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 17:54:17,909 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 17:54:17,909 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 17:54:17,910 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 17:54:17,911 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 17:54:17,911 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-14 17:54:17,927 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 17:54:17,928 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 17:54:17,929 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 17:54:17,929 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 17:54:17,929 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 17:54:17,930 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 17:54:17,930 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 17:54:17,930 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 17:54:17,930 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 17:54:17,930 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 17:54:17,931 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 17:54:17,932 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 17:54:17,932 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 17:54:17,932 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 17:54:17,932 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 17:54:17,932 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 17:54:17,933 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 17:54:17,933 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 17:54:17,933 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 17:54:17,933 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 17:54:17,933 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 17:54:17,934 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 17:54:17,935 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 17:54:17,935 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 17:54:17,935 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 17:54:17,935 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 17:54:17,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 17:54:17,936 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 -> /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 ! 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 -> 7f5bdb078d6ad5b90a3e716506f89d68a310f749 [2019-01-14 17:54:17,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 17:54:18,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 17:54:18,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 17:54:18,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 17:54:18,013 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 17:54:18,014 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2019-01-14 17:54:18,070 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72bd1d98b/59f04e96096a41ae9a2505a354b8a71f/FLAG759fad159 [2019-01-14 17:54:18,519 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 17:54:18,520 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2019-01-14 17:54:18,526 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72bd1d98b/59f04e96096a41ae9a2505a354b8a71f/FLAG759fad159 [2019-01-14 17:54:18,912 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72bd1d98b/59f04e96096a41ae9a2505a354b8a71f [2019-01-14 17:54:18,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 17:54:18,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 17:54:18,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 17:54:18,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 17:54:18,923 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 17:54:18,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 05:54:18" (1/1) ... [2019-01-14 17:54:18,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33810a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:18, skipping insertion in model container [2019-01-14 17:54:18,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 05:54:18" (1/1) ... [2019-01-14 17:54:18,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 17:54:18,954 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 17:54:19,200 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 17:54:19,207 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 17:54:19,225 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 17:54:19,244 INFO L195 MainTranslator]: Completed translation [2019-01-14 17:54:19,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:19 WrapperNode [2019-01-14 17:54:19,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 17:54:19,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 17:54:19,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 17:54:19,247 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 17:54:19,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:19" (1/1) ... [2019-01-14 17:54:19,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:19" (1/1) ... [2019-01-14 17:54:19,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 17:54:19,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 17:54:19,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 17:54:19,286 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 17:54:19,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:19" (1/1) ... [2019-01-14 17:54:19,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:19" (1/1) ... [2019-01-14 17:54:19,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:19" (1/1) ... [2019-01-14 17:54:19,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:19" (1/1) ... [2019-01-14 17:54:19,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:19" (1/1) ... [2019-01-14 17:54:19,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:19" (1/1) ... [2019-01-14 17:54:19,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:19" (1/1) ... [2019-01-14 17:54:19,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 17:54:19,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 17:54:19,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 17:54:19,322 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 17:54:19,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:19" (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 17:54:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 17:54:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 17:54:19,632 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 17:54:19,632 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 17:54:19,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 05:54:19 BoogieIcfgContainer [2019-01-14 17:54:19,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 17:54:19,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 17:54:19,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 17:54:19,637 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 17:54:19,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 05:54:18" (1/3) ... [2019-01-14 17:54:19,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb370c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 05:54:19, skipping insertion in model container [2019-01-14 17:54:19,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:19" (2/3) ... [2019-01-14 17:54:19,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb370c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 05:54:19, skipping insertion in model container [2019-01-14 17:54:19,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 05:54:19" (3/3) ... [2019-01-14 17:54:19,640 INFO L112 eAbstractionObserver]: Analyzing ICFG bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2019-01-14 17:54:19,648 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 17:54:19,655 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-14 17:54:19,672 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-14 17:54:19,702 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 17:54:19,703 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 17:54:19,703 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 17:54:19,704 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 17:54:19,704 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 17:54:19,704 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 17:54:19,704 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 17:54:19,704 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 17:54:19,704 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 17:54:19,719 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-01-14 17:54:19,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-01-14 17:54:19,725 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 17:54:19,726 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-01-14 17:54:19,728 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 17:54:19,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 17:54:19,734 INFO L82 PathProgramCache]: Analyzing trace with hash 29954948, now seen corresponding path program 1 times [2019-01-14 17:54:19,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 17:54:19,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 17:54:19,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:54:19,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 17:54:19,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:54:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 17:54:19,849 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 17:54:19,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 17:54:19,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 17:54:19,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-14 17:54:19,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-14 17:54:19,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-14 17:54:19,871 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states. [2019-01-14 17:54:19,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 17:54:19,883 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2019-01-14 17:54:19,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-14 17:54:19,885 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-01-14 17:54:19,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 17:54:19,893 INFO L225 Difference]: With dead ends: 19 [2019-01-14 17:54:19,893 INFO L226 Difference]: Without dead ends: 7 [2019-01-14 17:54:19,896 INFO L631 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 [2019-01-14 17:54:19,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-01-14 17:54:19,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-01-14 17:54:19,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-14 17:54:19,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-01-14 17:54:19,927 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2019-01-14 17:54:19,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 17:54:19,927 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-01-14 17:54:19,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-14 17:54:19,928 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-01-14 17:54:19,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-14 17:54:19,928 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 17:54:19,928 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-14 17:54:19,928 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 17:54:19,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 17:54:19,929 INFO L82 PathProgramCache]: Analyzing trace with hash 921957070, now seen corresponding path program 1 times [2019-01-14 17:54:19,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 17:54:19,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 17:54:19,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:54:19,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 17:54:19,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 17:54:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 17:54:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 17:54:19,972 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 17:54:19,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 05:54:19 BoogieIcfgContainer [2019-01-14 17:54:19,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 17:54:19,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 17:54:19,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 17:54:19,989 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 17:54:19,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 05:54:19" (3/4) ... [2019-01-14 17:54:19,994 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 17:54:19,994 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 17:54:19,995 INFO L168 Benchmark]: Toolchain (without parser) took 1078.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 17:54:19,997 INFO L168 Benchmark]: CDTParser took 0.17 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 17:54:19,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.04 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 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 17:54:20,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.02 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 17:54:20,000 INFO L168 Benchmark]: Boogie Preprocessor took 34.87 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 17:54:20,002 INFO L168 Benchmark]: RCFGBuilder took 311.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-01-14 17:54:20,003 INFO L168 Benchmark]: TraceAbstraction took 354.09 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-01-14 17:54:20,005 INFO L168 Benchmark]: Witness Printer took 5.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 17:54:20,010 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 327.04 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 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 Procedure Inliner took 39.02 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. * Boogie Preprocessor took 34.87 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 311.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 354.09 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 14. Possible FailurePath: [L10] unsigned int x = 5; [L11] COND FALSE !(__VERIFIER_nondet_int()) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-14 17:54:22,313 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 17:54:22,315 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 17:54:22,328 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 17:54:22,328 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 17:54:22,330 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 17:54:22,332 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 17:54:22,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 17:54:22,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 17:54:22,337 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 17:54:22,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 17:54:22,340 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 17:54:22,341 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 17:54:22,343 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 17:54:22,349 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 17:54:22,351 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 17:54:22,353 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 17:54:22,356 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 17:54:22,362 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 17:54:22,366 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 17:54:22,367 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 17:54:22,368 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 17:54:22,372 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 17:54:22,373 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 17:54:22,373 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 17:54:22,374 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 17:54:22,377 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 17:54:22,378 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 17:54:22,379 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 17:54:22,383 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 17:54:22,383 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 17:54:22,384 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 17:54:22,384 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 17:54:22,384 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 17:54:22,386 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 17:54:22,387 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 17:54:22,387 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-14 17:54:22,417 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 17:54:22,417 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 17:54:22,418 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 17:54:22,418 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 17:54:22,422 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 17:54:22,422 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 17:54:22,422 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 17:54:22,422 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 17:54:22,423 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 17:54:22,423 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 17:54:22,423 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 17:54:22,423 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 17:54:22,423 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-14 17:54:22,423 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-14 17:54:22,424 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 17:54:22,424 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 17:54:22,424 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 17:54:22,425 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 17:54:22,425 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 17:54:22,425 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 17:54:22,425 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 17:54:22,425 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 17:54:22,425 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 17:54:22,426 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 17:54:22,427 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 17:54:22,427 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-14 17:54:22,427 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 17:54:22,428 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-14 17:54:22,428 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-14 17:54:22,428 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 -> /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 ! 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 -> 7f5bdb078d6ad5b90a3e716506f89d68a310f749 [2019-01-14 17:54:22,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 17:54:22,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 17:54:22,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 17:54:22,509 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 17:54:22,509 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 17:54:22,511 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2019-01-14 17:54:22,562 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7ea2d167/2bc45488c92f44478255bf333b3e4ced/FLAG521b510f9 [2019-01-14 17:54:22,955 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 17:54:22,955 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2019-01-14 17:54:22,962 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7ea2d167/2bc45488c92f44478255bf333b3e4ced/FLAG521b510f9 [2019-01-14 17:54:23,331 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7ea2d167/2bc45488c92f44478255bf333b3e4ced [2019-01-14 17:54:23,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 17:54:23,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 17:54:23,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 17:54:23,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 17:54:23,341 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 17:54:23,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 05:54:23" (1/1) ... [2019-01-14 17:54:23,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6ac17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:23, skipping insertion in model container [2019-01-14 17:54:23,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 05:54:23" (1/1) ... [2019-01-14 17:54:23,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 17:54:23,369 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 17:54:23,540 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 17:54:23,546 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 17:54:23,562 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 17:54:23,578 INFO L195 MainTranslator]: Completed translation [2019-01-14 17:54:23,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:23 WrapperNode [2019-01-14 17:54:23,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 17:54:23,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 17:54:23,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 17:54:23,580 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 17:54:23,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:23" (1/1) ... [2019-01-14 17:54:23,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:23" (1/1) ... [2019-01-14 17:54:23,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 17:54:23,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 17:54:23,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 17:54:23,615 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 17:54:23,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:23" (1/1) ... [2019-01-14 17:54:23,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:23" (1/1) ... [2019-01-14 17:54:23,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:23" (1/1) ... [2019-01-14 17:54:23,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:23" (1/1) ... [2019-01-14 17:54:23,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:23" (1/1) ... [2019-01-14 17:54:23,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:23" (1/1) ... [2019-01-14 17:54:23,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:23" (1/1) ... [2019-01-14 17:54:23,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 17:54:23,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 17:54:23,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 17:54:23,640 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 17:54:23,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:23" (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 17:54:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 17:54:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 17:54:23,967 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 17:54:23,967 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 17:54:23,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 05:54:23 BoogieIcfgContainer [2019-01-14 17:54:23,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 17:54:23,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 17:54:23,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 17:54:23,973 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 17:54:23,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 05:54:23" (1/3) ... [2019-01-14 17:54:23,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ae4a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 05:54:23, skipping insertion in model container [2019-01-14 17:54:23,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 05:54:23" (2/3) ... [2019-01-14 17:54:23,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ae4a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 05:54:23, skipping insertion in model container [2019-01-14 17:54:23,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 05:54:23" (3/3) ... [2019-01-14 17:54:23,977 INFO L112 eAbstractionObserver]: Analyzing ICFG bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2019-01-14 17:54:23,986 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 17:54:23,993 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-14 17:54:24,008 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-14 17:54:24,039 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 17:54:24,040 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 17:54:24,040 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 17:54:24,040 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 17:54:24,040 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 17:54:24,040 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 17:54:24,040 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 17:54:24,041 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 17:54:24,041 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 17:54:24,056 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-01-14 17:54:24,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-14 17:54:24,063 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 17:54:24,064 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-14 17:54:24,066 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 17:54:24,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 17:54:24,072 INFO L82 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2019-01-14 17:54:24,076 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 17:54:24,077 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-14 17:54:24,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 17:54:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 17:54:24,142 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 17:54:24,294 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 17:54:24,295 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-14 17:54:24,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 17:54:24,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 17:54:24,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 17:54:24,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 17:54:24,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 17:54:24,317 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2019-01-14 17:54:24,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 17:54:24,417 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2019-01-14 17:54:24,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 17:54:24,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-01-14 17:54:24,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 17:54:24,429 INFO L225 Difference]: With dead ends: 26 [2019-01-14 17:54:24,429 INFO L226 Difference]: Without dead ends: 8 [2019-01-14 17:54:24,432 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-14 17:54:24,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-01-14 17:54:24,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-01-14 17:54:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-14 17:54:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-01-14 17:54:24,461 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2019-01-14 17:54:24,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 17:54:24,462 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-01-14 17:54:24,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 17:54:24,462 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-01-14 17:54:24,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-14 17:54:24,462 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 17:54:24,463 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-14 17:54:24,463 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-14 17:54:24,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 17:54:24,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1810510480, now seen corresponding path program 1 times [2019-01-14 17:54:24,464 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-14 17:54:24,464 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-14 17:54:24,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 17:54:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 17:54:24,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 17:54:24,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 17:54:24,568 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-14 17:54:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-14 17:54:24,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-14 17:54:24,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2019-01-14 17:54:24,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-14 17:54:24,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-14 17:54:24,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-01-14 17:54:24,640 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 7 states. [2019-01-14 17:54:24,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 17:54:24,862 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-01-14 17:54:24,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-14 17:54:24,863 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2019-01-14 17:54:24,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 17:54:24,863 INFO L225 Difference]: With dead ends: 11 [2019-01-14 17:54:24,863 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 17:54:24,865 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-01-14 17:54:24,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 17:54:24,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 17:54:24,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 17:54:24,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 17:54:24,866 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-01-14 17:54:24,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 17:54:24,866 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 17:54:24,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-14 17:54:24,866 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 17:54:24,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 17:54:24,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-14 17:54:24,966 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 17:54:24,967 INFO L451 ceAbstractionStarter]: At program point L15(lines 9 16) the Hoare annotation is: true [2019-01-14 17:54:24,967 INFO L444 ceAbstractionStarter]: At program point L11-2(lines 11 13) the Hoare annotation is: (= (bvadd (bvand (_ bv5 32) ULTIMATE.start_main_~x~0) (_ bv4294967291 32)) (_ bv0 32)) [2019-01-14 17:54:24,967 INFO L448 ceAbstractionStarter]: For program point L11-3(lines 11 13) no Hoare annotation was computed. [2019-01-14 17:54:24,967 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-01-14 17:54:24,968 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-14 17:54:24,968 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 17:54:24,968 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 17:54:24,968 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-01-14 17:54:24,968 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-01-14 17:54:24,968 INFO L451 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2019-01-14 17:54:24,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 05:54:24 BoogieIcfgContainer [2019-01-14 17:54:24,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 17:54:24,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 17:54:24,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 17:54:24,982 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 17:54:24,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 05:54:23" (3/4) ... [2019-01-14 17:54:24,987 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 17:54:24,999 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-14 17:54:24,999 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 17:54:25,000 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-14 17:54:25,048 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 17:54:25,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 17:54:25,050 INFO L168 Benchmark]: Toolchain (without parser) took 1714.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -120.8 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-01-14 17:54:25,052 INFO L168 Benchmark]: CDTParser took 0.20 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 17:54:25,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.32 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 17:54:25,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.80 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 17:54:25,054 INFO L168 Benchmark]: Boogie Preprocessor took 23.90 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 17:54:25,054 INFO L168 Benchmark]: RCFGBuilder took 329.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-01-14 17:54:25,055 INFO L168 Benchmark]: TraceAbstraction took 1011.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-01-14 17:54:25,056 INFO L168 Benchmark]: Witness Printer took 66.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 17:54:25,061 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 242.32 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 Procedure Inliner took 34.80 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. * Boogie Preprocessor took 23.90 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 329.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1011.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * Witness Printer took 66.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ~bvadd64(~bvand32(5bv32, x), 4294967291bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 12 SDslu, 24 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 9 NumberOfFragments, 9 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 333 SizeOfPredicates, 6 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...