./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/Pure2Phase-1.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_b12553dc-eabc-4ef3-819a-6495471781e7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b12553dc-eabc-4ef3-819a-6495471781e7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b12553dc-eabc-4ef3-819a-6495471781e7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b12553dc-eabc-4ef3-819a-6495471781e7/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/Pure2Phase-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b12553dc-eabc-4ef3-819a-6495471781e7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b12553dc-eabc-4ef3-819a-6495471781e7/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2291f924dd9adb1923bbd2b3119647838e71c665 ....................................................................................................................................................................................................... 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 [2019-11-25 08:52:54,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:52:54,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:52:55,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:52:55,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:52:55,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:52:55,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:52:55,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:52:55,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:52:55,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:52:55,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:52:55,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:52:55,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:52:55,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:52:55,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:52:55,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:52:55,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:52:55,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:52:55,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:52:55,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:52:55,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:52:55,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:52:55,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:52:55,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:52:55,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:52:55,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:52:55,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:52:55,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:52:55,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:52:55,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:52:55,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:52:55,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:52:55,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:52:55,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:52:55,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:52:55,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:52:55,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:52:55,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:52:55,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:52:55,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:52:55,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:52:55,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b12553dc-eabc-4ef3-819a-6495471781e7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-25 08:52:55,087 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:52:55,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:52:55,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:52:55,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:52:55,088 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:52:55,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:52:55,089 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:52:55,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:52:55,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:52:55,089 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 08:52:55,089 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 08:52:55,090 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 08:52:55,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:52:55,090 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:52:55,090 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:52:55,090 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:52:55,091 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:52:55,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:52:55,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:52:55,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:52:55,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:52:55,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:52:55,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:52:55,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:52:55,092 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:52:55,092 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:52:55,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:52:55,093 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_b12553dc-eabc-4ef3-819a-6495471781e7/bin/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 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 -> Automizer 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 -> 2291f924dd9adb1923bbd2b3119647838e71c665 [2019-11-25 08:52:55,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:52:55,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:52:55,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:52:55,279 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:52:55,279 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:52:55,280 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b12553dc-eabc-4ef3-819a-6495471781e7/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Pure2Phase-1.c [2019-11-25 08:52:55,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b12553dc-eabc-4ef3-819a-6495471781e7/bin/uautomizer/data/5dc709db3/86ac103e49384ada85bc65e7703eafe6/FLAG8da3ae2d0 [2019-11-25 08:52:55,731 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:52:55,731 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b12553dc-eabc-4ef3-819a-6495471781e7/sv-benchmarks/c/termination-crafted/Pure2Phase-1.c [2019-11-25 08:52:55,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b12553dc-eabc-4ef3-819a-6495471781e7/bin/uautomizer/data/5dc709db3/86ac103e49384ada85bc65e7703eafe6/FLAG8da3ae2d0 [2019-11-25 08:52:56,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b12553dc-eabc-4ef3-819a-6495471781e7/bin/uautomizer/data/5dc709db3/86ac103e49384ada85bc65e7703eafe6 [2019-11-25 08:52:56,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:52:56,150 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 08:52:56,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:56,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:52:56,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:52:56,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:56" (1/1) ... [2019-11-25 08:52:56,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59611e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:56, skipping insertion in model container [2019-11-25 08:52:56,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:56" (1/1) ... [2019-11-25 08:52:56,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:52:56,195 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:52:56,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:56,456 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:52:56,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:56,486 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:52:56,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:56 WrapperNode [2019-11-25 08:52:56,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:56,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:52:56,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:52:56,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:52:56,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:56" (1/1) ... [2019-11-25 08:52:56,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:56" (1/1) ... [2019-11-25 08:52:56,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:56" (1/1) ... [2019-11-25 08:52:56,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:56" (1/1) ... [2019-11-25 08:52:56,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:56" (1/1) ... [2019-11-25 08:52:56,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:56" (1/1) ... [2019-11-25 08:52:56,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:56" (1/1) ... [2019-11-25 08:52:56,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:52:56,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:52:56,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:52:56,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:52:56,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b12553dc-eabc-4ef3-819a-6495471781e7/bin/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 [2019-11-25 08:52:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 08:52:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:52:56,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 08:52:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 08:52:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 08:52:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 08:52:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:52:56,704 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:52:56,705 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-25 08:52:56,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:56 BoogieIcfgContainer [2019-11-25 08:52:56,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:52:56,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:52:56,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:52:56,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:52:56,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:52:56" (1/3) ... [2019-11-25 08:52:56,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e4cedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:56, skipping insertion in model container [2019-11-25 08:52:56,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:56" (2/3) ... [2019-11-25 08:52:56,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e4cedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:56, skipping insertion in model container [2019-11-25 08:52:56,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:56" (3/3) ... [2019-11-25 08:52:56,727 INFO L109 eAbstractionObserver]: Analyzing ICFG Pure2Phase-1.c [2019-11-25 08:52:56,735 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:52:56,741 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-25 08:52:56,767 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-25 08:52:56,784 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:52:56,784 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 08:52:56,784 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:52:56,784 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:52:56,784 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:52:56,785 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:52:56,785 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:52:56,785 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:52:56,813 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-25 08:52:56,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:52:56,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:52:56 BoogieIcfgContainer [2019-11-25 08:52:56,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:52:56,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:52:56,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:52:56,839 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:52:56,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:56" (3/4) ... [2019-11-25 08:52:56,843 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:52:56,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-25 08:52:56,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-25 08:52:56,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:52:56,854 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:52:56,854 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:52:56,905 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b12553dc-eabc-4ef3-819a-6495471781e7/bin/uautomizer/witness.graphml [2019-11-25 08:52:56,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:52:56,907 INFO L168 Benchmark]: Toolchain (without parser) took 756.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:56,908 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-25 08:52:56,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:56,909 INFO L168 Benchmark]: Boogie Preprocessor took 25.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:56,910 INFO L168 Benchmark]: RCFGBuilder took 192.30 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. [2019-11-25 08:52:56,911 INFO L168 Benchmark]: TraceAbstraction took 131.86 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:56,912 INFO L168 Benchmark]: Witness Printer took 66.33 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. [2019-11-25 08:52:56,917 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 333.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -190.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 192.30 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 131.86 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 66.33 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. * 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 3 procedures, 15 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=15occurred 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...