./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0322173b3e50156a3157d6284ff4dd2480f2ac8d ............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:48:30,714 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:48:30,717 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:48:30,727 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:48:30,728 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:48:30,729 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:48:30,731 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:48:30,733 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:48:30,736 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:48:30,738 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:48:30,740 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:48:30,740 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:48:30,741 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:48:30,743 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:48:30,744 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:48:30,744 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:48:30,745 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:48:30,746 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:48:30,748 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:48:30,749 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:48:30,750 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:48:30,751 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:48:30,752 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:48:30,753 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:48:30,753 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:48:30,753 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:48:30,754 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:48:30,755 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:48:30,756 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:48:30,757 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:48:30,757 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:48:30,757 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:48:30,757 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:48:30,758 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:48:30,758 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:48:30,759 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:48:30,760 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-27 00:48:30,770 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:48:30,770 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:48:30,771 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:48:30,771 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:48:30,772 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:48:30,772 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:48:30,772 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 00:48:30,772 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:48:30,772 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:48:30,772 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:48:30,773 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:48:30,773 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:48:30,773 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:48:30,773 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:48:30,773 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:48:30,773 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:48:30,773 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:48:30,773 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:48:30,774 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:48:30,774 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:48:30,774 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:48:30,774 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:48:30,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:48:30,774 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:48:30,774 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:48:30,774 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:48:30,775 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 00:48:30,775 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:48:30,776 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:48:30,776 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0322173b3e50156a3157d6284ff4dd2480f2ac8d [2018-10-27 00:48:30,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:48:30,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:48:30,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:48:30,819 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:48:30,819 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:48:30,820 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer/../../sv-benchmarks/c/loops/veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i [2018-10-27 00:48:30,881 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer/data/9086f325d/f03fc506581e4c329f88cf8cee8e0cbb/FLAGd9ff4109f [2018-10-27 00:48:31,257 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:48:31,257 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/sv-benchmarks/c/loops/veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i [2018-10-27 00:48:31,263 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer/data/9086f325d/f03fc506581e4c329f88cf8cee8e0cbb/FLAGd9ff4109f [2018-10-27 00:48:31,274 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer/data/9086f325d/f03fc506581e4c329f88cf8cee8e0cbb [2018-10-27 00:48:31,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:48:31,278 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:48:31,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:48:31,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:48:31,282 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:48:31,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:48:31" (1/1) ... [2018-10-27 00:48:31,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2815aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:31, skipping insertion in model container [2018-10-27 00:48:31,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:48:31" (1/1) ... [2018-10-27 00:48:31,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:48:31,309 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:48:31,423 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:48:31,430 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:48:31,443 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:48:31,456 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:48:31,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:31 WrapperNode [2018-10-27 00:48:31,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:48:31,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:48:31,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:48:31,458 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:48:31,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:31" (1/1) ... [2018-10-27 00:48:31,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:31" (1/1) ... [2018-10-27 00:48:31,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:31" (1/1) ... [2018-10-27 00:48:31,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:31" (1/1) ... [2018-10-27 00:48:31,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:31" (1/1) ... [2018-10-27 00:48:31,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:31" (1/1) ... [2018-10-27 00:48:31,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:31" (1/1) ... [2018-10-27 00:48:31,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:48:31,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:48:31,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:48:31,499 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:48:31,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:48:31,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:48:31,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:48:31,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 00:48:31,611 INFO L138 BoogieDeclarations]: Found implementation of procedure glob2 [2018-10-27 00:48:31,611 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:48:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 00:48:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 00:48:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure glob2 [2018-10-27 00:48:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 00:48:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:48:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:48:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 00:48:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:48:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:48:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-27 00:48:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 00:48:31,980 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:48:31,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:48:31 BoogieIcfgContainer [2018-10-27 00:48:31,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:48:31,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:48:31,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:48:31,985 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:48:31,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:48:31" (1/3) ... [2018-10-27 00:48:31,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528050b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:48:31, skipping insertion in model container [2018-10-27 00:48:31,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:48:31" (2/3) ... [2018-10-27 00:48:31,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528050b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:48:31, skipping insertion in model container [2018-10-27 00:48:31,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:48:31" (3/3) ... [2018-10-27 00:48:31,989 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_NetBSD-libc__loop_true-unreach-call_true-termination.i [2018-10-27 00:48:31,998 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:48:32,004 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:48:32,019 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:48:32,048 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 00:48:32,049 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:48:32,049 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:48:32,049 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:48:32,049 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:48:32,049 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:48:32,049 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:48:32,049 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:48:32,050 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:48:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-10-27 00:48:32,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 00:48:32,070 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:48:32,071 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:48:32,073 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:48:32,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:48:32,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1382068036, now seen corresponding path program 1 times [2018-10-27 00:48:32,081 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 00:48:32,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 00:48:32,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:48:32,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:48:32,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:48:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:48:32,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:48:32,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 00:48:32,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 00:48:32,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 00:48:32,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-10-27 00:48:32,523 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 8 states. [2018-10-27 00:48:32,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:48:32,903 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions. [2018-10-27 00:48:32,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:48:32,904 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2018-10-27 00:48:32,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:48:32,910 INFO L225 Difference]: With dead ends: 63 [2018-10-27 00:48:32,910 INFO L226 Difference]: Without dead ends: 29 [2018-10-27 00:48:32,913 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-10-27 00:48:32,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-10-27 00:48:32,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2018-10-27 00:48:32,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-10-27 00:48:32,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-10-27 00:48:32,945 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 15 [2018-10-27 00:48:32,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:48:32,945 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-10-27 00:48:32,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 00:48:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-10-27 00:48:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 00:48:32,946 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:48:32,947 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:48:32,949 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:48:32,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:48:32,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1899527699, now seen corresponding path program 1 times [2018-10-27 00:48:32,950 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 00:48:32,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 00:48:32,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:48:32,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:48:32,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:48:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:33,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:48:33,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:48:33,235 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 00:48:33,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:48:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:33,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:48:33,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:48:33,779 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-27 00:48:33,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 14 [2018-10-27 00:48:33,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-27 00:48:33,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-27 00:48:33,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2018-10-27 00:48:33,781 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 14 states. [2018-10-27 00:48:34,124 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-27 00:48:34,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:48:34,291 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-10-27 00:48:34,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 00:48:34,291 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 24 [2018-10-27 00:48:34,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:48:34,292 INFO L225 Difference]: With dead ends: 31 [2018-10-27 00:48:34,292 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 00:48:34,293 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-10-27 00:48:34,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 00:48:34,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 00:48:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 00:48:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 00:48:34,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-10-27 00:48:34,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:48:34,294 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 00:48:34,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-27 00:48:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 00:48:34,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:48:34,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 00:48:34,496 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:48:34,497 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:48:34,497 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:48:34,497 INFO L428 ceAbstractionStarter]: At program point glob2ENTRY(lines 14 25) the Hoare annotation is: true [2018-10-27 00:48:34,497 INFO L425 ceAbstractionStarter]: For program point L21(lines 18 22) no Hoare annotation was computed. [2018-10-27 00:48:34,497 INFO L425 ceAbstractionStarter]: For program point glob2EXIT(lines 14 25) no Hoare annotation was computed. [2018-10-27 00:48:34,498 INFO L421 ceAbstractionStarter]: At program point L20(line 20) the Hoare annotation is: (or (< ~tmp~0.offset 4) (not (= 0 |glob2_#in~pathbuf.offset|)) (not (= ~tmp~0.base |glob2_#in~pathbuf.base|)) (< ~tmp~0.offset |glob2_#in~pathlim.offset|) (and (<= glob2_~p~0.offset ~tmp~0.offset) (<= glob2_~pathlim.offset ~tmp~0.offset) (= ~tmp~0.base glob2_~p~0.base))) [2018-10-27 00:48:34,498 INFO L425 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-10-27 00:48:34,498 INFO L425 ceAbstractionStarter]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2018-10-27 00:48:34,498 INFO L421 ceAbstractionStarter]: At program point L18-3(lines 18 22) the Hoare annotation is: (or (< ~tmp~0.offset 4) (and (<= glob2_~pathlim.offset ~tmp~0.offset) (= ~tmp~0.base glob2_~p~0.base)) (not (= 0 |glob2_#in~pathbuf.offset|)) (not (= ~tmp~0.base |glob2_#in~pathbuf.base|)) (< ~tmp~0.offset |glob2_#in~pathlim.offset|)) [2018-10-27 00:48:34,498 INFO L425 ceAbstractionStarter]: For program point L18-4(lines 18 22) no Hoare annotation was computed. [2018-10-27 00:48:34,498 INFO L425 ceAbstractionStarter]: For program point glob2FINAL(lines 14 25) no Hoare annotation was computed. [2018-10-27 00:48:34,498 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:48:34,499 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-27 00:48:34,499 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:48:34,503 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:48:34,503 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 27 38) the Hoare annotation is: true [2018-10-27 00:48:34,504 INFO L425 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2018-10-27 00:48:34,504 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 27 38) no Hoare annotation was computed. [2018-10-27 00:48:34,504 INFO L425 ceAbstractionStarter]: For program point L29-1(line 29) no Hoare annotation was computed. [2018-10-27 00:48:34,504 INFO L425 ceAbstractionStarter]: For program point L29-2(line 29) no Hoare annotation was computed. [2018-10-27 00:48:34,504 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 27 38) no Hoare annotation was computed. [2018-10-27 00:48:34,505 INFO L421 ceAbstractionStarter]: At program point L35(line 35) the Hoare annotation is: (and (<= (+ |main_~#pathbuf~0.offset| 4) ~tmp~0.offset) (= ~tmp~0.base |main_~#pathbuf~0.base|) (<= main_~bound~0.offset ~tmp~0.offset) (= |main_~#pathbuf~0.offset| 0)) [2018-10-27 00:48:34,505 INFO L425 ceAbstractionStarter]: For program point L35-1(line 35) no Hoare annotation was computed. [2018-10-27 00:48:34,505 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-10-27 00:48:34,505 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-10-27 00:48:34,505 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-10-27 00:48:34,505 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-10-27 00:48:34,505 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-10-27 00:48:34,506 INFO L425 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-10-27 00:48:34,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:48:34 BoogieIcfgContainer [2018-10-27 00:48:34,519 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:48:34,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:48:34,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:48:34,520 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:48:34,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:48:31" (3/4) ... [2018-10-27 00:48:34,523 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:48:34,529 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 00:48:34,530 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure glob2 [2018-10-27 00:48:34,530 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 00:48:34,530 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-27 00:48:34,534 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-10-27 00:48:34,534 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-27 00:48:34,534 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 00:48:34,575 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c6c58817-a07a-4bb2-bc4f-baa1686a37c4/bin-2019/uautomizer/witness.graphml [2018-10-27 00:48:34,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:48:34,576 INFO L168 Benchmark]: Toolchain (without parser) took 3298.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 962.5 MB in the beginning and 954.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 130.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:34,577 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:48:34,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.56 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:34,578 INFO L168 Benchmark]: Boogie Preprocessor took 40.22 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 946.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:34,579 INFO L168 Benchmark]: RCFGBuilder took 483.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:34,579 INFO L168 Benchmark]: TraceAbstraction took 2537.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.9 MB in the end (delta: 140.4 MB). Peak memory consumption was 140.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:34,580 INFO L168 Benchmark]: Witness Printer took 55.66 ms. Allocated memory is still 1.2 GB. Free memory was 961.9 MB in the beginning and 954.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:48:34,582 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 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.56 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.22 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 946.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 483.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2537.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.9 MB in the end (delta: 140.4 MB). Peak memory consumption was 140.4 MB. Max. memory is 11.5 GB. * Witness Printer took 55.66 ms. Allocated memory is still 1.2 GB. Free memory was 961.9 MB in the beginning and 954.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. 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: 18]: Loop Invariant Derived loop invariant: (((tmp < 4 || (pathlim <= tmp && tmp == p)) || !(0 == pathbuf)) || !(tmp == pathbuf)) || tmp < pathlim - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 31 SDtfs, 56 SDslu, 167 SDs, 0 SdLazy, 154 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 72 HoareAnnotationTreeSize, 11 FomulaSimplifications, 63 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 121 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 5676 SizeOfPredicates, 8 NumberOfNonLiveVariables, 115 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 4/10 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...