./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e 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/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i -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 6450f1ab8e8876cd25bd9465d040f8eaf1b1860b ........................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:18:11,729 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:18:11,733 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:18:11,749 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:18:11,750 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:18:11,752 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:18:11,754 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:18:11,758 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:18:11,760 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:18:11,763 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:18:11,766 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:18:11,767 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:18:11,768 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:18:11,771 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:18:11,779 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:18:11,780 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:18:11,783 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:18:11,786 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:18:11,789 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:18:11,792 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:18:11,794 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:18:11,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:18:11,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:18:11,802 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:18:11,803 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:18:11,806 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:18:11,807 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:18:11,808 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:18:11,811 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:18:11,812 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:18:11,813 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:18:11,814 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:18:11,814 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:18:11,814 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:18:11,816 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:18:11,818 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:18:11,820 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:18:11,843 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:18:11,844 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:18:11,845 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:18:11,846 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:18:11,846 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:18:11,847 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:18:11,848 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:18:11,848 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:18:11,848 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:18:11,848 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:18:11,849 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:18:11,849 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:18:11,849 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:18:11,849 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:18:11,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:18:11,851 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:18:11,852 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:18:11,852 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:18:11,852 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:18:11,852 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:18:11,854 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:18:11,855 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:18:11,855 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:18:11,855 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:18:11,855 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:18:11,855 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:18:11,856 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:18:11,856 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:18:11,857 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:18:11,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:18:11,857 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 -> 6450f1ab8e8876cd25bd9465d040f8eaf1b1860b [2018-11-28 18:18:11,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:18:11,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:18:11,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:18:11,934 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:18:11,934 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:18:11,935 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-11-28 18:18:11,991 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00c18f250/fbcf70510d7746cfbd3d35c361cdd04f/FLAG7798bc4c1 [2018-11-28 18:18:12,433 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:18:12,434 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-11-28 18:18:12,442 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00c18f250/fbcf70510d7746cfbd3d35c361cdd04f/FLAG7798bc4c1 [2018-11-28 18:18:12,793 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00c18f250/fbcf70510d7746cfbd3d35c361cdd04f [2018-11-28 18:18:12,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:18:12,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:18:12,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:18:12,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:18:12,807 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:18:12,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:18:12" (1/1) ... [2018-11-28 18:18:12,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ea44e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:18:12, skipping insertion in model container [2018-11-28 18:18:12,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:18:12" (1/1) ... [2018-11-28 18:18:12,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:18:12,849 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:18:13,151 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:18:13,166 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:18:13,200 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:18:13,227 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:18:13,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:18:13 WrapperNode [2018-11-28 18:18:13,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:18:13,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:18:13,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:18:13,229 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:18:13,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:18:13" (1/1) ... [2018-11-28 18:18:13,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:18:13" (1/1) ... [2018-11-28 18:18:13,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:18:13,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:18:13,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:18:13,258 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:18:13,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:18:13" (1/1) ... [2018-11-28 18:18:13,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:18:13" (1/1) ... [2018-11-28 18:18:13,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:18:13" (1/1) ... [2018-11-28 18:18:13,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:18:13" (1/1) ... [2018-11-28 18:18:13,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:18:13" (1/1) ... [2018-11-28 18:18:13,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:18:13" (1/1) ... [2018-11-28 18:18:13,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:18:13" (1/1) ... [2018-11-28 18:18:13,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:18:13,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:18:13,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:18:13,369 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:18:13,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:18:13" (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 [2018-11-28 18:18:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2018-11-28 18:18:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy [2018-11-28 18:18:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:18:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:18:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 18:18:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2018-11-28 18:18:13,434 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2018-11-28 18:18:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:18:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 18:18:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:18:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:18:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2018-11-28 18:18:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:18:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:18:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 18:18:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 18:18:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 18:18:13,994 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:18:13,994 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-28 18:18:13,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:18:13 BoogieIcfgContainer [2018-11-28 18:18:13,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:18:13,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:18:13,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:18:14,001 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:18:14,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:18:12" (1/3) ... [2018-11-28 18:18:14,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a209383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:18:14, skipping insertion in model container [2018-11-28 18:18:14,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:18:13" (2/3) ... [2018-11-28 18:18:14,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a209383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:18:14, skipping insertion in model container [2018-11-28 18:18:14,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:18:13" (3/3) ... [2018-11-28 18:18:14,005 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-11-28 18:18:14,016 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:18:14,027 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:18:14,043 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:18:14,075 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:18:14,076 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:18:14,076 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:18:14,076 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:18:14,077 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:18:14,077 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:18:14,077 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:18:14,077 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:18:14,077 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:18:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-11-28 18:18:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 18:18:14,107 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:18:14,108 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:18:14,110 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:18:14,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:18:14,116 INFO L82 PathProgramCache]: Analyzing trace with hash -966663296, now seen corresponding path program 1 times [2018-11-28 18:18:14,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:18:14,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:18:14,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:18:14,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:18:14,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:18:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:18:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:18:14,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:18:14,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:18:14,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:18:14,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:18:14,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:18:14,343 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 3 states. [2018-11-28 18:18:14,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:18:14,407 INFO L93 Difference]: Finished difference Result 104 states and 142 transitions. [2018-11-28 18:18:14,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:18:14,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-11-28 18:18:14,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:18:14,417 INFO L225 Difference]: With dead ends: 104 [2018-11-28 18:18:14,417 INFO L226 Difference]: Without dead ends: 49 [2018-11-28 18:18:14,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:18:14,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-28 18:18:14,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2018-11-28 18:18:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-28 18:18:14,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2018-11-28 18:18:14,462 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 32 [2018-11-28 18:18:14,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:18:14,462 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2018-11-28 18:18:14,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:18:14,463 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2018-11-28 18:18:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-28 18:18:14,464 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:18:14,465 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:18:14,465 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:18:14,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:18:14,465 INFO L82 PathProgramCache]: Analyzing trace with hash 2076843467, now seen corresponding path program 1 times [2018-11-28 18:18:14,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:18:14,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:18:14,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:18:14,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:18:14,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:18:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:18:14,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:18:14,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:18:14,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:18:14,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:18:14,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:18:14,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:18:14,567 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 3 states. [2018-11-28 18:18:14,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:18:14,636 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2018-11-28 18:18:14,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:18:14,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-28 18:18:14,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:18:14,639 INFO L225 Difference]: With dead ends: 84 [2018-11-28 18:18:14,639 INFO L226 Difference]: Without dead ends: 49 [2018-11-28 18:18:14,643 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:18:14,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-28 18:18:14,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-11-28 18:18:14,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-28 18:18:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2018-11-28 18:18:14,658 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 38 [2018-11-28 18:18:14,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:18:14,659 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2018-11-28 18:18:14,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:18:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-11-28 18:18:14,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-28 18:18:14,661 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:18:14,661 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:18:14,661 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:18:14,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:18:14,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1999269111, now seen corresponding path program 1 times [2018-11-28 18:18:14,662 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:18:14,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:18:14,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:18:14,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:18:14,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:18:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:18:14,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:18:14,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:18:14,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:18:14,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:18:14,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:18:14,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:18:14,816 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand 5 states. [2018-11-28 18:18:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:18:15,112 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2018-11-28 18:18:15,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 18:18:15,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-11-28 18:18:15,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:18:15,114 INFO L225 Difference]: With dead ends: 61 [2018-11-28 18:18:15,114 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:18:15,116 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:18:15,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:18:15,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:18:15,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:18:15,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:18:15,117 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-11-28 18:18:15,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:18:15,120 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:18:15,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:18:15,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:18:15,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:18:15,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:18:15,352 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-28 18:18:15,352 INFO L448 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2018-11-28 18:18:15,352 INFO L448 ceAbstractionStarter]: For program point L60-4(lines 54 72) no Hoare annotation was computed. [2018-11-28 18:18:15,352 INFO L448 ceAbstractionStarter]: For program point L56-1(line 56) no Hoare annotation was computed. [2018-11-28 18:18:15,352 INFO L448 ceAbstractionStarter]: For program point L56-3(line 56) no Hoare annotation was computed. [2018-11-28 18:18:15,353 INFO L451 ceAbstractionStarter]: At program point L56-5(line 56) the Hoare annotation is: true [2018-11-28 18:18:15,353 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 52 73) no Hoare annotation was computed. [2018-11-28 18:18:15,353 INFO L448 ceAbstractionStarter]: For program point L56-6(line 56) no Hoare annotation was computed. [2018-11-28 18:18:15,353 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 73) no Hoare annotation was computed. [2018-11-28 18:18:15,353 INFO L451 ceAbstractionStarter]: At program point L52-4(lines 52 73) the Hoare annotation is: true [2018-11-28 18:18:15,354 INFO L448 ceAbstractionStarter]: For program point L52-5(lines 52 73) no Hoare annotation was computed. [2018-11-28 18:18:15,354 INFO L444 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2018-11-28 18:18:15,354 INFO L448 ceAbstractionStarter]: For program point L65-1(line 65) no Hoare annotation was computed. [2018-11-28 18:18:15,354 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-11-28 18:18:15,354 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-28 18:18:15,354 INFO L448 ceAbstractionStarter]: For program point L57-2(line 57) no Hoare annotation was computed. [2018-11-28 18:18:15,355 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2018-11-28 18:18:15,355 INFO L448 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-11-28 18:18:15,355 INFO L448 ceAbstractionStarter]: For program point parse_expression_listFINAL(lines 47 75) no Hoare annotation was computed. [2018-11-28 18:18:15,355 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 64) no Hoare annotation was computed. [2018-11-28 18:18:15,355 INFO L451 ceAbstractionStarter]: At program point parse_expression_listENTRY(lines 47 75) the Hoare annotation is: true [2018-11-28 18:18:15,355 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 72) no Hoare annotation was computed. [2018-11-28 18:18:15,356 INFO L448 ceAbstractionStarter]: For program point parse_expression_listEXIT(lines 47 75) no Hoare annotation was computed. [2018-11-28 18:18:15,356 INFO L448 ceAbstractionStarter]: For program point L59-1(line 59) no Hoare annotation was computed. [2018-11-28 18:18:15,356 INFO L448 ceAbstractionStarter]: For program point L59-2(line 59) no Hoare annotation was computed. [2018-11-28 18:18:15,356 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-28 18:18:15,356 INFO L448 ceAbstractionStarter]: For program point L59-4(line 59) no Hoare annotation was computed. [2018-11-28 18:18:15,356 INFO L448 ceAbstractionStarter]: For program point L59-6(line 59) no Hoare annotation was computed. [2018-11-28 18:18:15,356 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-28 18:18:15,357 INFO L451 ceAbstractionStarter]: At program point L59-8(line 59) the Hoare annotation is: true [2018-11-28 18:18:15,357 INFO L448 ceAbstractionStarter]: For program point L59-9(line 59) no Hoare annotation was computed. [2018-11-28 18:18:15,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:18:15,357 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:18:15,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:18:15,357 INFO L448 ceAbstractionStarter]: For program point r_strncpyFINAL(line 31) no Hoare annotation was computed. [2018-11-28 18:18:15,358 INFO L448 ceAbstractionStarter]: For program point r_strncpyEXIT(line 31) no Hoare annotation was computed. [2018-11-28 18:18:15,358 INFO L451 ceAbstractionStarter]: At program point r_strncpyENTRY(line 31) the Hoare annotation is: true [2018-11-28 18:18:15,358 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:18:15,358 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 18:18:15,358 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:18:15,358 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:18:15,359 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 76 85) the Hoare annotation is: true [2018-11-28 18:18:15,359 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 76 85) no Hoare annotation was computed. [2018-11-28 18:18:15,359 INFO L451 ceAbstractionStarter]: At program point L83(line 83) the Hoare annotation is: true [2018-11-28 18:18:15,359 INFO L448 ceAbstractionStarter]: For program point L83-1(line 83) no Hoare annotation was computed. [2018-11-28 18:18:15,359 INFO L448 ceAbstractionStarter]: For program point L79-2(lines 79 81) no Hoare annotation was computed. [2018-11-28 18:18:15,359 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 76 85) no Hoare annotation was computed. [2018-11-28 18:18:15,359 INFO L451 ceAbstractionStarter]: At program point L79-3(lines 79 81) the Hoare annotation is: true [2018-11-28 18:18:15,360 INFO L448 ceAbstractionStarter]: For program point L79-4(lines 79 81) no Hoare annotation was computed. [2018-11-28 18:18:15,360 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-28 18:18:15,360 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-28 18:18:15,360 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-28 18:18:15,360 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-28 18:18:15,361 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-28 18:18:15,361 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-28 18:18:15,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:18:15 BoogieIcfgContainer [2018-11-28 18:18:15,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:18:15,369 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:18:15,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:18:15,369 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:18:15,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:18:13" (3/4) ... [2018-11-28 18:18:15,374 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:18:15,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure parse_expression_list [2018-11-28 18:18:15,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:18:15,384 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure r_strncpy [2018-11-28 18:18:15,385 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:18:15,386 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-28 18:18:15,394 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-28 18:18:15,396 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-28 18:18:15,397 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:18:15,501 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:18:15,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:18:15,503 INFO L168 Benchmark]: Toolchain (without parser) took 2704.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -58.2 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:18:15,504 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-28 18:18:15,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.41 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:18:15,511 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.81 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:18:15,511 INFO L168 Benchmark]: Boogie Preprocessor took 111.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:18:15,512 INFO L168 Benchmark]: RCFGBuilder took 627.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:18:15,512 INFO L168 Benchmark]: TraceAbstraction took 1371.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:18:15,513 INFO L168 Benchmark]: Witness Printer took 132.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:18:15,523 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 427.41 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.81 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 627.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1371.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. * Witness Printer took 132.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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: 79]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 55 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 168 SDtfs, 20 SDslu, 236 SDs, 0 SdLazy, 50 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 24 PreInvPairs, 33 NumberOfFragments, 22 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 4353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...