./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a03b979f45aa8ba48949293cad74f586aed4b0e9 ............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:53:10,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:53:10,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:53:10,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:53:10,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:53:10,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:53:10,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:53:10,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:53:10,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:53:10,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:53:10,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:53:10,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:53:10,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:53:10,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:53:10,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:53:10,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:53:10,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:53:10,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:53:10,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:53:10,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:53:10,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:53:10,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:53:10,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:53:10,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:53:10,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:53:10,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:53:10,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:53:10,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:53:10,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:53:10,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:53:10,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:53:10,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:53:10,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:53:10,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:53:10,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:53:10,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:53:10,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:53:10,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:53:10,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:53:10,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:53:10,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:53:10,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2019-11-26 02:53:10,215 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:53:10,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:53:10,216 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:53:10,216 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:53:10,217 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:53:10,217 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:53:10,217 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:53:10,217 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:53:10,217 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:53:10,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:53:10,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:53:10,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:53:10,218 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:53:10,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:53:10,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:53:10,219 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 02:53:10,219 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 02:53:10,219 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 02:53:10,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:53:10,220 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:53:10,220 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:53:10,220 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:53:10,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:53:10,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:53:10,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:53:10,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:53:10,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:53:10,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:53:10,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:53:10,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:53:10,222 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:53:10,222 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:53:10,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:53:10,222 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a03b979f45aa8ba48949293cad74f586aed4b0e9 [2019-11-26 02:53:10,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:53:10,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:53:10,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:53:10,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:53:10,418 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:53:10,418 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan/../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2019-11-26 02:53:10,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan/data/2ab1a88ff/10e03044ae3144b592b8f99da753cd13/FLAGe5c66ec3e [2019-11-26 02:53:10,839 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:53:10,840 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2019-11-26 02:53:10,845 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan/data/2ab1a88ff/10e03044ae3144b592b8f99da753cd13/FLAGe5c66ec3e [2019-11-26 02:53:11,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan/data/2ab1a88ff/10e03044ae3144b592b8f99da753cd13 [2019-11-26 02:53:11,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:53:11,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:53:11,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:53:11,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:53:11,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:53:11,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:53:11" (1/1) ... [2019-11-26 02:53:11,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59aa6a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:11, skipping insertion in model container [2019-11-26 02:53:11,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:53:11" (1/1) ... [2019-11-26 02:53:11,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:53:11,322 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:53:11,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:53:11,469 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:53:11,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:53:11,560 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:53:11,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:11 WrapperNode [2019-11-26 02:53:11,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:53:11,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:53:11,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:53:11,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:53:11,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:11" (1/1) ... [2019-11-26 02:53:11,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:11" (1/1) ... [2019-11-26 02:53:11,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:53:11,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:53:11,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:53:11,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:53:11,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:11" (1/1) ... [2019-11-26 02:53:11,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:11" (1/1) ... [2019-11-26 02:53:11,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:11" (1/1) ... [2019-11-26 02:53:11,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:11" (1/1) ... [2019-11-26 02:53:11,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:11" (1/1) ... [2019-11-26 02:53:11,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:11" (1/1) ... [2019-11-26 02:53:11,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:11" (1/1) ... [2019-11-26 02:53:11,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:53:11,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:53:11,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:53:11,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:53:11,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:53:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:53:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:53:11,825 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:53:11,825 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:53:11,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:11 BoogieIcfgContainer [2019-11-26 02:53:11,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:53:11,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:53:11,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:53:11,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:53:11,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:53:11" (1/3) ... [2019-11-26 02:53:11,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e7eaab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:11, skipping insertion in model container [2019-11-26 02:53:11,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:11" (2/3) ... [2019-11-26 02:53:11,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e7eaab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:11, skipping insertion in model container [2019-11-26 02:53:11,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:11" (3/3) ... [2019-11-26 02:53:11,835 INFO L109 eAbstractionObserver]: Analyzing ICFG Cairo_step2-3.c [2019-11-26 02:53:11,844 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:53:11,850 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-26 02:53:11,867 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-26 02:53:11,883 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:53:11,883 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 02:53:11,883 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:53:11,883 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:53:11,883 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:53:11,884 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:53:11,884 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:53:11,884 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:53:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-26 02:53:11,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:53:11,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:53:11 BoogieIcfgContainer [2019-11-26 02:53:11,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:53:11,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:53:11,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:53:11,908 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:53:11,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:11" (3/4) ... [2019-11-26 02:53:11,913 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:53:11,922 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:53:11,922 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:53:11,956 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_53e11310-7084-4558-93c6-439d7248a431/bin/utaipan/witness.graphml [2019-11-26 02:53:11,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:53:11,958 INFO L168 Benchmark]: Toolchain (without parser) took 661.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:11,958 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:11,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:11,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:11,960 INFO L168 Benchmark]: Boogie Preprocessor took 20.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:11,961 INFO L168 Benchmark]: RCFGBuilder took 216.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:11,961 INFO L168 Benchmark]: TraceAbstraction took 80.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:11,962 INFO L168 Benchmark]: Witness Printer took 48.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:11,964 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 216.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 80.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 48.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...