./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/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 c0d376e92ef25b65056df1e8dcc5069fa6e580d0 ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/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 c0d376e92ef25b65056df1e8dcc5069fa6e580d0 ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 20:45:49,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 20:45:49,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 20:45:49,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 20:45:49,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 20:45:49,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 20:45:49,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 20:45:49,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 20:45:49,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 20:45:49,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 20:45:49,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 20:45:49,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 20:45:49,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 20:45:49,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 20:45:49,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 20:45:49,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 20:45:49,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 20:45:49,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 20:45:49,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 20:45:49,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 20:45:49,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 20:45:49,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 20:45:49,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 20:45:49,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 20:45:49,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 20:45:49,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 20:45:49,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 20:45:49,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 20:45:49,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 20:45:49,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 20:45:49,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 20:45:49,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 20:45:49,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 20:45:49,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 20:45:49,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 20:45:49,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 20:45:49,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 20:45:49,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 20:45:49,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 20:45:49,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 20:45:49,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 20:45:49,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2020-12-09 20:45:49,662 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 20:45:49,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 20:45:49,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 20:45:49,662 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 20:45:49,663 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 20:45:49,663 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 20:45:49,663 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 20:45:49,663 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 20:45:49,663 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 20:45:49,663 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 20:45:49,663 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 20:45:49,663 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 20:45:49,664 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 20:45:49,664 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 20:45:49,664 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 20:45:49,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 20:45:49,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 20:45:49,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 20:45:49,665 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 20:45:49,665 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 20:45:49,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 20:45:49,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 20:45:49,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 20:45:49,665 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 20:45:49,665 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 20:45:49,665 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 20:45:49,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 20:45:49,666 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 20:45:49,666 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 20:45:49,666 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 20:45:49,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 20:45:49,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 20:45:49,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:45:49,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 20:45:49,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 20:45:49,667 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 20:45:49,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 20:45:49,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 20:45:49,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 20:45:49,667 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d376e92ef25b65056df1e8dcc5069fa6e580d0 [2020-12-09 20:45:49,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 20:45:49,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 20:45:49,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 20:45:49,859 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 20:45:49,859 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 20:45:49,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2020-12-09 20:45:49,901 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/data/a6a434e76/41583c01f55c4279b18b424f1c874994/FLAG2b1af6cff [2020-12-09 20:45:50,314 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 20:45:50,314 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2020-12-09 20:45:50,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/data/a6a434e76/41583c01f55c4279b18b424f1c874994/FLAG2b1af6cff [2020-12-09 20:45:50,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/data/a6a434e76/41583c01f55c4279b18b424f1c874994 [2020-12-09 20:45:50,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 20:45:50,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 20:45:50,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 20:45:50,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 20:45:50,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 20:45:50,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:45:50" (1/1) ... [2020-12-09 20:45:50,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9785bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:50, skipping insertion in model container [2020-12-09 20:45:50,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:45:50" (1/1) ... [2020-12-09 20:45:50,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 20:45:50,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:45:50,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:45:50,634 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-12-09 20:45:50,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68873a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:50, skipping insertion in model container [2020-12-09 20:45:50,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 20:45:50,635 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 20:45:50,636 INFO L168 Benchmark]: Toolchain (without parser) took 297.80 ms. Allocated memory is still 100.7 MB. Free memory was 62.3 MB in the beginning and 73.5 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-12-09 20:45:50,637 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 100.7 MB. Free memory is still 80.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:45:50,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.74 ms. Allocated memory is still 100.7 MB. Free memory was 62.1 MB in the beginning and 73.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-12-09 20:45:50,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 100.7 MB. Free memory is still 80.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 295.74 ms. Allocated memory is still 100.7 MB. Free memory was 62.1 MB in the beginning and 73.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 20:45:51,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 20:45:51,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 20:45:52,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 20:45:52,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 20:45:52,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 20:45:52,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 20:45:52,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 20:45:52,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 20:45:52,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 20:45:52,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 20:45:52,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 20:45:52,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 20:45:52,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 20:45:52,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 20:45:52,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 20:45:52,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 20:45:52,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 20:45:52,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 20:45:52,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 20:45:52,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 20:45:52,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 20:45:52,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 20:45:52,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 20:45:52,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 20:45:52,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 20:45:52,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 20:45:52,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 20:45:52,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 20:45:52,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 20:45:52,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 20:45:52,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 20:45:52,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 20:45:52,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 20:45:52,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 20:45:52,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 20:45:52,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 20:45:52,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 20:45:52,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 20:45:52,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 20:45:52,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 20:45:52,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2020-12-09 20:45:52,066 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 20:45:52,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 20:45:52,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 20:45:52,067 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 20:45:52,067 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 20:45:52,067 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 20:45:52,067 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 20:45:52,068 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 20:45:52,068 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 20:45:52,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 20:45:52,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 20:45:52,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 20:45:52,069 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 20:45:52,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 20:45:52,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 20:45:52,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 20:45:52,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 20:45:52,070 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 20:45:52,070 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 20:45:52,070 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 20:45:52,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 20:45:52,071 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 20:45:52,071 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 20:45:52,071 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 20:45:52,071 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 20:45:52,071 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 20:45:52,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 20:45:52,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 20:45:52,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 20:45:52,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:45:52,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 20:45:52,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 20:45:52,073 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 20:45:52,073 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 20:45:52,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 20:45:52,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 20:45:52,073 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d376e92ef25b65056df1e8dcc5069fa6e580d0 [2020-12-09 20:45:52,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 20:45:52,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 20:45:52,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 20:45:52,330 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 20:45:52,330 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 20:45:52,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2020-12-09 20:45:52,371 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/data/42583a24a/161e45495b424a23b53f6eeda46bf952/FLAG665de62d1 [2020-12-09 20:45:52,809 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 20:45:52,809 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/sv-benchmarks/c/ldv-memsafety/memleaks_test5_1.i [2020-12-09 20:45:52,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/data/42583a24a/161e45495b424a23b53f6eeda46bf952/FLAG665de62d1 [2020-12-09 20:45:52,829 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/data/42583a24a/161e45495b424a23b53f6eeda46bf952 [2020-12-09 20:45:52,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 20:45:52,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 20:45:52,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 20:45:52,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 20:45:52,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 20:45:52,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:45:52" (1/1) ... [2020-12-09 20:45:52,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f8706c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:52, skipping insertion in model container [2020-12-09 20:45:52,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:45:52" (1/1) ... [2020-12-09 20:45:52,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 20:45:52,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:45:53,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:45:53,114 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 20:45:53,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:45:53,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:45:53,157 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 20:45:53,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:45:53,257 INFO L208 MainTranslator]: Completed translation [2020-12-09 20:45:53,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:53 WrapperNode [2020-12-09 20:45:53,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 20:45:53,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 20:45:53,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 20:45:53,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 20:45:53,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:53" (1/1) ... [2020-12-09 20:45:53,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:53" (1/1) ... [2020-12-09 20:45:53,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 20:45:53,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 20:45:53,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 20:45:53,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 20:45:53,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:53" (1/1) ... [2020-12-09 20:45:53,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:53" (1/1) ... [2020-12-09 20:45:53,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:53" (1/1) ... [2020-12-09 20:45:53,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:53" (1/1) ... [2020-12-09 20:45:53,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:53" (1/1) ... [2020-12-09 20:45:53,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:53" (1/1) ... [2020-12-09 20:45:53,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:53" (1/1) ... [2020-12-09 20:45:53,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 20:45:53,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 20:45:53,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 20:45:53,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 20:45:53,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/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 [2020-12-09 20:45:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 20:45:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 20:45:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-09 20:45:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 20:45:53,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 20:45:53,506 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 20:45:53,506 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-09 20:45:53,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:45:53 BoogieIcfgContainer [2020-12-09 20:45:53,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 20:45:53,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 20:45:53,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 20:45:53,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 20:45:53,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:45:52" (1/3) ... [2020-12-09 20:45:53,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51327aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:45:53, skipping insertion in model container [2020-12-09 20:45:53,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:45:53" (2/3) ... [2020-12-09 20:45:53,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51327aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:45:53, skipping insertion in model container [2020-12-09 20:45:53,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:45:53" (3/3) ... [2020-12-09 20:45:53,513 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5_1.i [2020-12-09 20:45:53,522 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 20:45:53,524 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 20:45:53,532 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 20:45:53,545 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 20:45:53,546 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-09 20:45:53,546 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 20:45:53,546 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 20:45:53,546 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 20:45:53,546 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 20:45:53,546 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 20:45:53,546 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 20:45:53,554 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 20:45:53,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-09 20:45:53,559 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:53,559 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-09 20:45:53,559 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-09 20:45:53,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:53,563 INFO L82 PathProgramCache]: Analyzing trace with hash 889508682, now seen corresponding path program 1 times [2020-12-09 20:45:53,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:45:53,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315978477] [2020-12-09 20:45:53,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_61d43ff7-5b77-4948-99ec-27045ce6d1d9/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 20:45:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 20:45:53,629 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 20:45:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 20:45:53,648 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 20:45:53,671 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-09 20:45:53,671 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 20:45:53,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 20:45:53,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:45:53 BoogieIcfgContainer [2020-12-09 20:45:53,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 20:45:53,886 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 20:45:53,886 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 20:45:53,886 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 20:45:53,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:45:53" (3/4) ... [2020-12-09 20:45:53,888 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 20:45:53,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 20:45:53,890 INFO L168 Benchmark]: Toolchain (without parser) took 1056.72 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 47.0 MB in the beginning and 49.8 MB in the end (delta: -2.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2020-12-09 20:45:53,890 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 67.1 MB. Free memory is still 50.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:45:53,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.03 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 46.8 MB in the beginning and 59.0 MB in the end (delta: -12.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-12-09 20:45:53,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.21 ms. Allocated memory is still 86.0 MB. Free memory was 59.0 MB in the beginning and 57.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 20:45:53,892 INFO L168 Benchmark]: Boogie Preprocessor took 16.58 ms. Allocated memory is still 86.0 MB. Free memory was 57.0 MB in the beginning and 55.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:45:53,892 INFO L168 Benchmark]: RCFGBuilder took 196.80 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 67.6 MB in the end (delta: -11.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-12-09 20:45:53,893 INFO L168 Benchmark]: TraceAbstraction took 376.61 ms. Allocated memory is still 86.0 MB. Free memory was 67.6 MB in the beginning and 50.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 20:45:53,893 INFO L168 Benchmark]: Witness Printer took 2.78 ms. Allocated memory is still 86.0 MB. Free memory was 50.1 MB in the beginning and 49.8 MB in the end (delta: 292.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:45:53,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 67.1 MB. Free memory is still 50.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 425.03 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 46.8 MB in the beginning and 59.0 MB in the end (delta: -12.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.21 ms. Allocated memory is still 86.0 MB. Free memory was 59.0 MB in the beginning and 57.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.58 ms. Allocated memory is still 86.0 MB. Free memory was 57.0 MB in the beginning and 55.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 196.80 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 67.6 MB in the end (delta: -11.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 376.61 ms. Allocated memory is still 86.0 MB. Free memory was 67.6 MB in the beginning and 50.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 2.78 ms. Allocated memory is still 86.0 MB. Free memory was 50.1 MB in the beginning and 49.8 MB in the end (delta: 292.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 763]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 763. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [ldv_global_msg_list={3:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...