./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1c.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 678e0110 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_15b55d11-6c5a-47c8-b60b-93615650bb2a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_15b55d11-6c5a-47c8-b60b-93615650bb2a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_15b55d11-6c5a-47c8-b60b-93615650bb2a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_15b55d11-6c5a-47c8-b60b-93615650bb2a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_15b55d11-6c5a-47c8-b60b-93615650bb2a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_15b55d11-6c5a-47c8-b60b-93615650bb2a/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 1b5ce1e17bce3e34a2c882b1080bdbc1a62cb801 ............................................................................................................................................................................................................ 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 0.1.24-678e011 [2019-11-20 06:17:09,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:17:09,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:17:09,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:17:09,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:17:09,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:17:09,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:17:09,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:17:09,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:17:09,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:17:09,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:17:09,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:17:09,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:17:09,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:17:09,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:17:09,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:17:09,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:17:09,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:17:09,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:17:09,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:17:09,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:17:09,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:17:09,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:17:09,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:17:09,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:17:09,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:17:09,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:17:09,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:17:09,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:17:09,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:17:09,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:17:09,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:17:09,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:17:09,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:17:09,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:17:09,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:17:09,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:17:09,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:17:09,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:17:09,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:17:09,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:17:09,927 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_15b55d11-6c5a-47c8-b60b-93615650bb2a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-20 06:17:09,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:17:09,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:17:09,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:17:09,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:17:09,967 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:17:09,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:17:09,967 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 06:17:09,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:17:09,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:17:09,968 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 06:17:09,968 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 06:17:09,968 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 06:17:09,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:17:09,969 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 06:17:09,969 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 06:17:09,969 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:17:09,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:17:09,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:17:09,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:17:09,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:17:09,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:17:09,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:17:09,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:17:09,972 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 06:17:09,972 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 06:17:09,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 06:17:09,972 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_15b55d11-6c5a-47c8-b60b-93615650bb2a/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 -> 1b5ce1e17bce3e34a2c882b1080bdbc1a62cb801 [2019-11-20 06:17:10,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:17:10,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:17:10,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:17:10,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:17:10,145 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:17:10,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_15b55d11-6c5a-47c8-b60b-93615650bb2a/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/NestedRecursion_1c.c [2019-11-20 06:17:10,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_15b55d11-6c5a-47c8-b60b-93615650bb2a/bin/uautomizer/data/126cf7e04/8c99be1f542e4dd393bb432efe9bb018/FLAGe761b76ba [2019-11-20 06:17:10,627 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:17:10,628 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_15b55d11-6c5a-47c8-b60b-93615650bb2a/sv-benchmarks/c/termination-crafted/NestedRecursion_1c.c [2019-11-20 06:17:10,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_15b55d11-6c5a-47c8-b60b-93615650bb2a/bin/uautomizer/data/126cf7e04/8c99be1f542e4dd393bb432efe9bb018/FLAGe761b76ba [2019-11-20 06:17:10,948 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_15b55d11-6c5a-47c8-b60b-93615650bb2a/bin/uautomizer/data/126cf7e04/8c99be1f542e4dd393bb432efe9bb018 [2019-11-20 06:17:10,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:17:10,953 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-20 06:17:10,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:17:10,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:17:10,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:17:10,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:10" (1/1) ... [2019-11-20 06:17:10,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10dbc526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:10, skipping insertion in model container [2019-11-20 06:17:10,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:10" (1/1) ... [2019-11-20 06:17:10,974 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:17:10,994 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:17:11,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:17:11,152 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:17:11,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:17:11,254 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:17:11,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:11 WrapperNode [2019-11-20 06:17:11,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:17:11,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:17:11,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:17:11,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:17:11,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:11" (1/1) ... [2019-11-20 06:17:11,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:11" (1/1) ... [2019-11-20 06:17:11,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:11" (1/1) ... [2019-11-20 06:17:11,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:11" (1/1) ... [2019-11-20 06:17:11,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:11" (1/1) ... [2019-11-20 06:17:11,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:11" (1/1) ... [2019-11-20 06:17:11,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:11" (1/1) ... [2019-11-20 06:17:11,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:17:11,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:17:11,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:17:11,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:17:11,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15b55d11-6c5a-47c8-b60b-93615650bb2a/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 [2019-11-20 06:17:11,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-20 06:17:11,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:17:11,341 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2019-11-20 06:17:11,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2019-11-20 06:17:11,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-20 06:17:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-20 06:17:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2019-11-20 06:17:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2019-11-20 06:17:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-20 06:17:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-20 06:17:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:17:11,652 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:17:11,652 INFO L285 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-20 06:17:11,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:11 BoogieIcfgContainer [2019-11-20 06:17:11,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:17:11,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:17:11,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:17:11,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:17:11,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:17:10" (1/3) ... [2019-11-20 06:17:11,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0a3505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:17:11, skipping insertion in model container [2019-11-20 06:17:11,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:11" (2/3) ... [2019-11-20 06:17:11,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0a3505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:17:11, skipping insertion in model container [2019-11-20 06:17:11,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:11" (3/3) ... [2019-11-20 06:17:11,663 INFO L109 eAbstractionObserver]: Analyzing ICFG NestedRecursion_1c.c [2019-11-20 06:17:11,674 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:17:11,681 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-20 06:17:11,693 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-20 06:17:11,723 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:17:11,723 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-20 06:17:11,724 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:17:11,724 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:17:11,726 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:17:11,727 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:17:11,727 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:17:11,727 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:17:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-20 06:17:11,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 06:17:11,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:17:11 BoogieIcfgContainer [2019-11-20 06:17:11,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 06:17:11,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:17:11,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:17:11,774 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:17:11,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:11" (3/4) ... [2019-11-20 06:17:11,779 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 06:17:11,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-20 06:17:11,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rec1 [2019-11-20 06:17:11,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rec2 [2019-11-20 06:17:11,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-20 06:17:11,798 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-20 06:17:11,799 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 06:17:11,799 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 06:17:11,843 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_15b55d11-6c5a-47c8-b60b-93615650bb2a/bin/uautomizer/witness.graphml [2019-11-20 06:17:11,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:17:11,849 INFO L168 Benchmark]: Toolchain (without parser) took 894.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:17:11,852 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:17:11,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -207.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:17:11,853 INFO L168 Benchmark]: Boogie Preprocessor took 31.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:17:11,854 INFO L168 Benchmark]: RCFGBuilder took 366.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:17:11,861 INFO L168 Benchmark]: TraceAbstraction took 117.06 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. [2019-11-20 06:17:11,862 INFO L168 Benchmark]: Witness Printer took 73.26 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. [2019-11-20 06:17:11,869 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -207.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 366.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 117.06 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 73.26 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 5 procedures, 26 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=26occurred 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...