./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_d5d43a5c-ceab-433a-b423-69785fa1e71e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/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 32bit --witnessprinter.graph.data.programhash 09aab7ee021274328a236afeda27749aba561ee0 ................................................................................................................................................................................................................................................................. 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 02:14:24,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:14:24,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:14:24,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:14:24,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:14:24,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:14:24,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:14:24,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:14:24,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:14:24,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:14:24,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:14:24,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:14:24,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:14:24,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:14:24,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:14:24,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:14:24,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:14:24,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:14:24,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:14:24,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:14:24,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:14:24,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:14:24,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:14:24,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:14:24,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:14:25,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:14:25,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:14:25,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:14:25,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:14:25,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:14:25,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:14:25,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:14:25,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:14:25,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:14:25,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:14:25,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:14:25,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:14:25,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:14:25,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:14:25,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:14:25,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:14:25,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-11-26 02:14:25,022 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:14:25,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:14:25,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:14:25,023 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:14:25,023 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:14:25,024 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:14:25,024 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:14:25,024 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:14:25,024 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:14:25,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:14:25,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:14:25,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:14:25,025 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:14:25,026 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:14:25,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:14:25,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:14:25,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:14:25,026 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 02:14:25,027 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 02:14:25,027 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 02:14:25,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:14:25,027 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:14:25,028 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:14:25,028 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:14:25,028 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:14:25,028 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:14:25,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:14:25,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:14:25,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:14:25,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:14:25,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:14:25,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:14:25,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:14:25,030 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:14:25,030 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:14:25,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:14:25,031 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_d5d43a5c-ceab-433a-b423-69785fa1e71e/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09aab7ee021274328a236afeda27749aba561ee0 [2019-11-26 02:14:25,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:14:25,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:14:25,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:14:25,173 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:14:25,173 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:14:25,174 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2019-11-26 02:14:25,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/bin/utaipan/data/12cde2a47/fccc083d29354afebd1b0f53c6684378/FLAGf8451b845 [2019-11-26 02:14:25,609 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:14:25,609 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2019-11-26 02:14:25,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/bin/utaipan/data/12cde2a47/fccc083d29354afebd1b0f53c6684378/FLAGf8451b845 [2019-11-26 02:14:26,006 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/bin/utaipan/data/12cde2a47/fccc083d29354afebd1b0f53c6684378 [2019-11-26 02:14:26,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:14:26,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:14:26,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:14:26,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:14:26,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:14:26,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:14:26" (1/1) ... [2019-11-26 02:14:26,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71bbb35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:26, skipping insertion in model container [2019-11-26 02:14:26,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:14:26" (1/1) ... [2019-11-26 02:14:26,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:14:26,042 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:14:26,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:14:26,327 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:14:26,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:14:26,374 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:14:26,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:26 WrapperNode [2019-11-26 02:14:26,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:14:26,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:14:26,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:14:26,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:14:26,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:26" (1/1) ... [2019-11-26 02:14:26,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:26" (1/1) ... [2019-11-26 02:14:26,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:14:26,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:14:26,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:14:26,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:14:26,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:26" (1/1) ... [2019-11-26 02:14:26,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:26" (1/1) ... [2019-11-26 02:14:26,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:26" (1/1) ... [2019-11-26 02:14:26,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:26" (1/1) ... [2019-11-26 02:14:26,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:26" (1/1) ... [2019-11-26 02:14:26,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:26" (1/1) ... [2019-11-26 02:14:26,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:26" (1/1) ... [2019-11-26 02:14:26,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:14:26,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:14:26,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:14:26,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:14:26,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/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 02:14:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:14:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:14:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:14:26,776 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:14:26,776 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-26 02:14:26,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:14:26 BoogieIcfgContainer [2019-11-26 02:14:26,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:14:26,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:14:26,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:14:26,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:14:26,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:14:26" (1/3) ... [2019-11-26 02:14:26,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dfa2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:14:26, skipping insertion in model container [2019-11-26 02:14:26,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:26" (2/3) ... [2019-11-26 02:14:26,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dfa2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:14:26, skipping insertion in model container [2019-11-26 02:14:26,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:14:26" (3/3) ... [2019-11-26 02:14:26,789 INFO L109 eAbstractionObserver]: Analyzing ICFG StructInitialization.c [2019-11-26 02:14:26,797 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:14:26,802 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:14:26,811 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:14:26,825 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:14:26,825 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-26 02:14:26,825 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:14:26,826 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:14:26,826 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:14:26,826 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:14:26,826 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:14:26,826 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:14:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-11-26 02:14:26,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-26 02:14:26,842 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:14:26,843 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-26 02:14:26,843 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-11-26 02:14:26,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:14:26,849 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2019-11-26 02:14:26,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:14:26,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [291697930] [2019-11-26 02:14:26,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-26 02:14:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:14:26,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-26 02:14:26,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:14:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:14:27,016 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:14:27,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:14:27,019 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [291697930] [2019-11-26 02:14:27,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:14:27,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 02:14:27,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653656437] [2019-11-26 02:14:27,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:14:27,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:14:27,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:14:27,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:14:27,034 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-11-26 02:14:27,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:14:27,067 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2019-11-26 02:14:27,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:14:27,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-11-26 02:14:27,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:14:27,073 INFO L225 Difference]: With dead ends: 5 [2019-11-26 02:14:27,073 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:14:27,074 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:14:27,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:14:27,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:14:27,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:14:27,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:14:27,091 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-26 02:14:27,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:14:27,091 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:14:27,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:14:27,091 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:14:27,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:14:27,292 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-26 02:14:27,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:14:27 BoogieIcfgContainer [2019-11-26 02:14:27,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:14:27,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:14:27,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:14:27,299 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:14:27,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:14:26" (3/4) ... [2019-11-26 02:14:27,302 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:14:27,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-26 02:14:27,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-26 02:14:27,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:14:27,362 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d5d43a5c-ceab-433a-b423-69785fa1e71e/bin/utaipan/witness.graphml [2019-11-26 02:14:27,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:14:27,364 INFO L168 Benchmark]: Toolchain (without parser) took 1353.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:27,364 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-26 02:14:27,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -214.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:27,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.40 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. [2019-11-26 02:14:27,365 INFO L168 Benchmark]: Boogie Preprocessor took 39.20 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. [2019-11-26 02:14:27,366 INFO L168 Benchmark]: RCFGBuilder took 325.53 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:27,366 INFO L168 Benchmark]: TraceAbstraction took 520.31 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:27,366 INFO L168 Benchmark]: Witness Printer took 63.18 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:14:27,369 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 365.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -214.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.40 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. * Boogie Preprocessor took 39.20 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 325.53 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 520.31 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Witness Printer took 63.18 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 93]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...