./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 2e94e6aa 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 0.1.24-2e94e6a [2018-12-31 06:30:29,738 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 06:30:29,740 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 06:30:29,752 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 06:30:29,752 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 06:30:29,753 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 06:30:29,755 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 06:30:29,757 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 06:30:29,759 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 06:30:29,759 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 06:30:29,760 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 06:30:29,761 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 06:30:29,762 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 06:30:29,763 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 06:30:29,764 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 06:30:29,765 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 06:30:29,766 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 06:30:29,768 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 06:30:29,770 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 06:30:29,772 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 06:30:29,773 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 06:30:29,774 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 06:30:29,777 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 06:30:29,777 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 06:30:29,777 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 06:30:29,778 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 06:30:29,780 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 06:30:29,780 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 06:30:29,781 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 06:30:29,782 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 06:30:29,783 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 06:30:29,783 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 06:30:29,784 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 06:30:29,784 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 06:30:29,785 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 06:30:29,786 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 06:30:29,786 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 06:30:29,802 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 06:30:29,802 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 06:30:29,803 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 06:30:29,803 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 06:30:29,803 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 06:30:29,803 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 06:30:29,804 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 06:30:29,804 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 06:30:29,805 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 06:30:29,805 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 06:30:29,805 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 06:30:29,805 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 06:30:29,805 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 06:30:29,805 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 06:30:29,806 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 06:30:29,806 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 06:30:29,806 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 06:30:29,806 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 06:30:29,806 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 06:30:29,806 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 06:30:29,807 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 06:30:29,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 06:30:29,808 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 06:30:29,809 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 06:30:29,809 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 06:30:29,809 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 06:30:29,809 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 06:30:29,810 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 06:30:29,810 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 [2018-12-31 06:30:29,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 06:30:29,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 06:30:29,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 06:30:29,867 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 06:30:29,867 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 06:30:29,869 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-12-31 06:30:29,929 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e44e0cd0/cc03de922a2d4ca397d354435d117b19/FLAGb3758cc75 [2018-12-31 06:30:30,432 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 06:30:30,433 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-12-31 06:30:30,441 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e44e0cd0/cc03de922a2d4ca397d354435d117b19/FLAGb3758cc75 [2018-12-31 06:30:30,902 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e44e0cd0/cc03de922a2d4ca397d354435d117b19 [2018-12-31 06:30:30,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 06:30:30,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 06:30:30,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 06:30:30,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 06:30:30,915 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 06:30:30,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 06:30:30" (1/1) ... [2018-12-31 06:30:30,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c9968d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:30, skipping insertion in model container [2018-12-31 06:30:30,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 06:30:30" (1/1) ... [2018-12-31 06:30:30,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 06:30:30,946 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 06:30:31,132 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 06:30:31,137 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 06:30:31,156 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 06:30:31,173 INFO L195 MainTranslator]: Completed translation [2018-12-31 06:30:31,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:31 WrapperNode [2018-12-31 06:30:31,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 06:30:31,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 06:30:31,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 06:30:31,179 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 06:30:31,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:31" (1/1) ... [2018-12-31 06:30:31,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:31" (1/1) ... [2018-12-31 06:30:31,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 06:30:31,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 06:30:31,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 06:30:31,218 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 06:30:31,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:31" (1/1) ... [2018-12-31 06:30:31,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:31" (1/1) ... [2018-12-31 06:30:31,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:31" (1/1) ... [2018-12-31 06:30:31,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:31" (1/1) ... [2018-12-31 06:30:31,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:31" (1/1) ... [2018-12-31 06:30:31,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:31" (1/1) ... [2018-12-31 06:30:31,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:31" (1/1) ... [2018-12-31 06:30:31,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 06:30:31,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 06:30:31,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 06:30:31,241 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 06:30:31,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:31" (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 [2018-12-31 06:30:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 06:30:31,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 06:30:31,626 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 06:30:31,626 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-31 06:30:31,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 06:30:31 BoogieIcfgContainer [2018-12-31 06:30:31,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 06:30:31,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 06:30:31,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 06:30:31,631 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 06:30:31,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 06:30:30" (1/3) ... [2018-12-31 06:30:31,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c845ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 06:30:31, skipping insertion in model container [2018-12-31 06:30:31,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:31" (2/3) ... [2018-12-31 06:30:31,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c845ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 06:30:31, skipping insertion in model container [2018-12-31 06:30:31,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 06:30:31" (3/3) ... [2018-12-31 06:30:31,634 INFO L112 eAbstractionObserver]: Analyzing ICFG bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-12-31 06:30:31,644 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 06:30:31,651 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 06:30:31,670 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 06:30:31,703 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 06:30:31,703 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 06:30:31,703 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 06:30:31,704 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 06:30:31,704 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 06:30:31,704 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 06:30:31,704 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 06:30:31,704 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 06:30:31,704 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 06:30:31,717 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-12-31 06:30:31,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-31 06:30:31,723 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 06:30:31,724 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-12-31 06:30:31,727 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 06:30:31,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 06:30:31,733 INFO L82 PathProgramCache]: Analyzing trace with hash 29954948, now seen corresponding path program 1 times [2018-12-31 06:30:31,735 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 06:30:31,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 06:30:31,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 06:30:31,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 06:30:31,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 06:30:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 06:30:31,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 06:30:31,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 06:30:31,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 06:30:31,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 06:30:31,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 06:30:31,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 06:30:31,868 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states. [2018-12-31 06:30:31,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 06:30:31,881 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2018-12-31 06:30:31,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 06:30:31,882 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2018-12-31 06:30:31,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 06:30:31,891 INFO L225 Difference]: With dead ends: 19 [2018-12-31 06:30:31,891 INFO L226 Difference]: Without dead ends: 7 [2018-12-31 06:30:31,894 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 [2018-12-31 06:30:31,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-12-31 06:30:31,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-12-31 06:30:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-12-31 06:30:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-12-31 06:30:31,927 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2018-12-31 06:30:31,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 06:30:31,927 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-12-31 06:30:31,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 06:30:31,928 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-12-31 06:30:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-31 06:30:31,928 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 06:30:31,928 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-12-31 06:30:31,929 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 06:30:31,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 06:30:31,929 INFO L82 PathProgramCache]: Analyzing trace with hash 921957070, now seen corresponding path program 1 times [2018-12-31 06:30:31,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 06:30:31,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 06:30:31,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 06:30:31,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 06:30:31,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 06:30:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 06:30:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 06:30:31,974 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 06:30:31,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 06:30:31 BoogieIcfgContainer [2018-12-31 06:30:31,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 06:30:31,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 06:30:31,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 06:30:31,993 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 06:30:31,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 06:30:31" (3/4) ... [2018-12-31 06:30:31,998 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 06:30:31,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 06:30:31,999 INFO L168 Benchmark]: Toolchain (without parser) took 1091.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -142.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 06:30:32,001 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. [2018-12-31 06:30:32,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.98 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 06:30:32,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.46 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 06:30:32,004 INFO L168 Benchmark]: Boogie Preprocessor took 22.94 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 06:30:32,004 INFO L168 Benchmark]: RCFGBuilder took 386.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-31 06:30:32,005 INFO L168 Benchmark]: TraceAbstraction took 365.03 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-12-31 06:30:32,006 INFO L168 Benchmark]: Witness Printer took 5.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 06:30:32,011 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 268.98 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 38.46 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.94 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 386.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 365.03 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.07 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 0.1.24-2e94e6a [2018-12-31 06:30:34,290 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 06:30:34,294 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 06:30:34,310 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 06:30:34,310 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 06:30:34,312 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 06:30:34,313 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 06:30:34,317 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 06:30:34,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 06:30:34,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 06:30:34,323 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 06:30:34,323 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 06:30:34,325 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 06:30:34,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 06:30:34,327 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 06:30:34,328 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 06:30:34,330 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 06:30:34,332 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 06:30:34,333 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 06:30:34,335 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 06:30:34,336 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 06:30:34,337 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 06:30:34,340 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 06:30:34,340 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 06:30:34,340 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 06:30:34,341 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 06:30:34,342 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 06:30:34,342 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 06:30:34,343 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 06:30:34,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 06:30:34,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 06:30:34,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 06:30:34,345 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 06:30:34,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 06:30:34,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 06:30:34,347 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 06:30:34,347 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 06:30:34,365 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 06:30:34,366 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 06:30:34,367 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 06:30:34,367 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 06:30:34,367 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 06:30:34,367 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 06:30:34,368 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 06:30:34,368 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 06:30:34,368 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 06:30:34,369 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 06:30:34,369 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 06:30:34,369 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 06:30:34,369 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 06:30:34,369 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 06:30:34,370 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 06:30:34,370 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 06:30:34,370 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 06:30:34,370 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 06:30:34,370 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 06:30:34,370 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 06:30:34,371 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 06:30:34,371 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 06:30:34,371 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 06:30:34,371 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 06:30:34,371 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 06:30:34,372 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 06:30:34,372 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 06:30:34,372 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 06:30:34,372 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 06:30:34,372 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 06:30:34,372 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 [2018-12-31 06:30:34,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 06:30:34,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 06:30:34,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 06:30:34,428 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 06:30:34,428 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 06:30:34,429 INFO L418 ainManager$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 [2018-12-31 06:30:34,488 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57949d4c/2b4c5fa9db6c4323821249006dd1f59d/FLAG76a297e8b [2018-12-31 06:30:34,930 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 06:30:34,931 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 [2018-12-31 06:30:34,936 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57949d4c/2b4c5fa9db6c4323821249006dd1f59d/FLAG76a297e8b [2018-12-31 06:30:35,302 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57949d4c/2b4c5fa9db6c4323821249006dd1f59d [2018-12-31 06:30:35,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 06:30:35,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 06:30:35,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 06:30:35,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 06:30:35,315 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 06:30:35,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 06:30:35" (1/1) ... [2018-12-31 06:30:35,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3361627d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:35, skipping insertion in model container [2018-12-31 06:30:35,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 06:30:35" (1/1) ... [2018-12-31 06:30:35,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 06:30:35,346 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 06:30:35,573 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 06:30:35,579 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 06:30:35,598 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 06:30:35,617 INFO L195 MainTranslator]: Completed translation [2018-12-31 06:30:35,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:35 WrapperNode [2018-12-31 06:30:35,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 06:30:35,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 06:30:35,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 06:30:35,619 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 06:30:35,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:35" (1/1) ... [2018-12-31 06:30:35,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:35" (1/1) ... [2018-12-31 06:30:35,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 06:30:35,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 06:30:35,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 06:30:35,658 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 06:30:35,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:35" (1/1) ... [2018-12-31 06:30:35,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:35" (1/1) ... [2018-12-31 06:30:35,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:35" (1/1) ... [2018-12-31 06:30:35,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:35" (1/1) ... [2018-12-31 06:30:35,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:35" (1/1) ... [2018-12-31 06:30:35,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:35" (1/1) ... [2018-12-31 06:30:35,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:35" (1/1) ... [2018-12-31 06:30:35,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 06:30:35,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 06:30:35,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 06:30:35,694 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 06:30:35,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:35" (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 [2018-12-31 06:30:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 06:30:35,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 06:30:36,141 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 06:30:36,141 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-31 06:30:36,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 06:30:36 BoogieIcfgContainer [2018-12-31 06:30:36,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 06:30:36,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 06:30:36,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 06:30:36,147 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 06:30:36,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 06:30:35" (1/3) ... [2018-12-31 06:30:36,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d30bb44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 06:30:36, skipping insertion in model container [2018-12-31 06:30:36,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 06:30:35" (2/3) ... [2018-12-31 06:30:36,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d30bb44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 06:30:36, skipping insertion in model container [2018-12-31 06:30:36,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 06:30:36" (3/3) ... [2018-12-31 06:30:36,150 INFO L112 eAbstractionObserver]: Analyzing ICFG bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-12-31 06:30:36,161 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 06:30:36,172 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 06:30:36,191 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 06:30:36,222 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 06:30:36,223 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 06:30:36,223 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 06:30:36,223 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 06:30:36,224 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 06:30:36,224 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 06:30:36,224 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 06:30:36,224 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 06:30:36,224 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 06:30:36,240 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2018-12-31 06:30:36,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-31 06:30:36,246 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 06:30:36,247 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-12-31 06:30:36,250 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 06:30:36,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 06:30:36,257 INFO L82 PathProgramCache]: Analyzing trace with hash 29805000, now seen corresponding path program 1 times [2018-12-31 06:30:36,262 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-31 06:30:36,263 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 [2018-12-31 06:30:36,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 06:30:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 06:30:36,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 06:30:36,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 06:30:36,503 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 06:30:36,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 06:30:36,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 06:30:36,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 06:30:36,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 06:30:36,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 06:30:36,530 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 4 states. [2018-12-31 06:30:36,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 06:30:36,649 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2018-12-31 06:30:36,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 06:30:36,651 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-12-31 06:30:36,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 06:30:36,663 INFO L225 Difference]: With dead ends: 25 [2018-12-31 06:30:36,663 INFO L226 Difference]: Without dead ends: 7 [2018-12-31 06:30:36,667 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 06:30:36,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-12-31 06:30:36,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-12-31 06:30:36,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-12-31 06:30:36,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-12-31 06:30:36,701 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2018-12-31 06:30:36,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 06:30:36,701 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-12-31 06:30:36,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 06:30:36,701 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-12-31 06:30:36,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-31 06:30:36,702 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 06:30:36,702 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-12-31 06:30:36,703 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 06:30:36,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 06:30:36,703 INFO L82 PathProgramCache]: Analyzing trace with hash 925620370, now seen corresponding path program 1 times [2018-12-31 06:30:36,703 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-31 06:30:36,703 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 [2018-12-31 06:30:36,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 06:30:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 06:30:36,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 06:30:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 06:30:36,795 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-31 06:30:36,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-31 06:30:36,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-31 06:30:36,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-12-31 06:30:36,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-31 06:30:36,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-31 06:30:36,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-31 06:30:36,902 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 7 states. [2018-12-31 06:30:37,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 06:30:37,073 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-12-31 06:30:37,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 06:30:37,074 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2018-12-31 06:30:37,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 06:30:37,074 INFO L225 Difference]: With dead ends: 10 [2018-12-31 06:30:37,074 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 06:30:37,076 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-31 06:30:37,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 06:30:37,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 06:30:37,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 06:30:37,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 06:30:37,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-12-31 06:30:37,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 06:30:37,077 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 06:30:37,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-31 06:30:37,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 06:30:37,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 06:30:37,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 06:30:37,174 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 06:30:37,175 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-12-31 06:30:37,175 INFO L451 ceAbstractionStarter]: At program point L15(lines 9 16) the Hoare annotation is: true [2018-12-31 06:30:37,175 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)) [2018-12-31 06:30:37,175 INFO L448 ceAbstractionStarter]: For program point L11-3(lines 11 13) no Hoare annotation was computed. [2018-12-31 06:30:37,176 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-12-31 06:30:37,176 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 06:30:37,176 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 06:30:37,176 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-12-31 06:30:37,176 INFO L451 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2018-12-31 06:30:37,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 06:30:37 BoogieIcfgContainer [2018-12-31 06:30:37,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 06:30:37,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 06:30:37,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 06:30:37,190 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 06:30:37,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 06:30:36" (3/4) ... [2018-12-31 06:30:37,196 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 06:30:37,207 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 06:30:37,207 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 06:30:37,250 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 06:30:37,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 06:30:37,251 INFO L168 Benchmark]: Toolchain (without parser) took 1944.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -134.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-12-31 06:30:37,253 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-31 06:30:37,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.70 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 06:30:37,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.27 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 06:30:37,256 INFO L168 Benchmark]: Boogie Preprocessor took 35.67 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 06:30:37,257 INFO L168 Benchmark]: RCFGBuilder took 448.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-12-31 06:30:37,258 INFO L168 Benchmark]: TraceAbstraction took 1046.59 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-12-31 06:30:37,259 INFO L168 Benchmark]: Witness Printer took 60.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 06:30:37,264 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.70 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 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 38.27 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.67 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 448.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1046.59 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * Witness Printer took 60.13 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, 10 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 11 SDslu, 17 SDs, 0 SdLazy, 20 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 0.3s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 261 SizeOfPredicates, 6 NumberOfNonLiveVariables, 18 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...