./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG --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 e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 ............................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG --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 e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 ........................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 06:01:51,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 06:01:51,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 06:01:51,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 06:01:51,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 06:01:51,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 06:01:51,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 06:01:51,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 06:01:51,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 06:01:51,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 06:01:51,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 06:01:51,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 06:01:51,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 06:01:51,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 06:01:51,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 06:01:51,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 06:01:51,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 06:01:51,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 06:01:51,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 06:01:51,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 06:01:51,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 06:01:51,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 06:01:51,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 06:01:51,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 06:01:51,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 06:01:51,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 06:01:51,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 06:01:51,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 06:01:51,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 06:01:51,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 06:01:51,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 06:01:51,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 06:01:51,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 06:01:51,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 06:01:51,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 06:01:51,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 06:01:51,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 06:01:51,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 06:01:51,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 06:01:52,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 06:01:52,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 06:01:52,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-29 06:01:52,055 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 06:01:52,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 06:01:52,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 06:01:52,072 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 06:01:52,072 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 06:01:52,072 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 06:01:52,073 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 06:01:52,073 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 06:01:52,073 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 06:01:52,074 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 06:01:52,075 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 06:01:52,076 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 06:01:52,076 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 06:01:52,076 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 06:01:52,077 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 06:01:52,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 06:01:52,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 06:01:52,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 06:01:52,079 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 06:01:52,080 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 06:01:52,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 06:01:52,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 06:01:52,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 06:01:52,081 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 06:01:52,081 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 06:01:52,082 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 06:01:52,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 06:01:52,082 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 06:01:52,082 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 06:01:52,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 06:01:52,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 06:01:52,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 06:01:52,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:01:52,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 06:01:52,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 06:01:52,085 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 06:01:52,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 06:01:52,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 06:01:52,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 06:01:52,086 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_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2021-10-29 06:01:52,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 06:01:52,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 06:01:52,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 06:01:52,418 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 06:01:52,419 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 06:01:52,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-29 06:01:52,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/data/9c41fe3c2/d6bd52906e6645deb867018f97429f73/FLAGecaa129b7 [2021-10-29 06:01:53,144 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 06:01:53,145 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-29 06:01:53,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/data/9c41fe3c2/d6bd52906e6645deb867018f97429f73/FLAGecaa129b7 [2021-10-29 06:01:53,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/data/9c41fe3c2/d6bd52906e6645deb867018f97429f73 [2021-10-29 06:01:53,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 06:01:53,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 06:01:53,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 06:01:53,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 06:01:53,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 06:01:53,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:01:53" (1/1) ... [2021-10-29 06:01:53,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@628927ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:53, skipping insertion in model container [2021-10-29 06:01:53,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:01:53" (1/1) ... [2021-10-29 06:01:53,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 06:01:53,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 06:01:54,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:01:54,092 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) [2021-10-29 06:01:54,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ae6fea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:54, skipping insertion in model container [2021-10-29 06:01:54,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 06:01:54,094 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 06:01:54,097 INFO L168 Benchmark]: Toolchain (without parser) took 667.02 ms. Allocated memory is still 96.5 MB. Free memory was 62.4 MB in the beginning and 67.6 MB in the end (delta: -5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 06:01:54,100 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory was 51.1 MB in the beginning and 51.1 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:01:54,101 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.11 ms. Allocated memory is still 96.5 MB. Free memory was 62.2 MB in the beginning and 67.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 06:01:54,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 96.5 MB. Free memory was 51.1 MB in the beginning and 51.1 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 662.11 ms. Allocated memory is still 96.5 MB. Free memory was 62.2 MB in the beginning and 67.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 6.3 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 0.2.1-dev-b2eff8b [2021-10-29 06:01:56,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 06:01:56,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 06:01:56,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 06:01:56,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 06:01:56,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 06:01:56,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 06:01:56,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 06:01:56,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 06:01:56,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 06:01:56,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 06:01:56,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 06:01:56,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 06:01:56,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 06:01:56,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 06:01:56,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 06:01:56,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 06:01:56,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 06:01:56,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 06:01:56,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 06:01:56,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 06:01:56,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 06:01:56,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 06:01:56,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 06:01:56,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 06:01:56,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 06:01:56,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 06:01:56,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 06:01:56,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 06:01:56,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 06:01:56,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 06:01:56,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 06:01:56,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 06:01:56,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 06:01:56,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 06:01:56,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 06:01:56,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 06:01:56,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 06:01:56,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 06:01:56,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 06:01:56,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 06:01:56,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-29 06:01:56,596 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 06:01:56,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 06:01:56,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 06:01:56,598 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 06:01:56,598 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 06:01:56,598 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 06:01:56,599 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 06:01:56,599 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 06:01:56,599 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 06:01:56,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 06:01:56,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 06:01:56,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 06:01:56,600 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 06:01:56,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 06:01:56,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 06:01:56,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 06:01:56,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 06:01:56,601 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 06:01:56,602 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 06:01:56,602 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 06:01:56,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 06:01:56,602 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 06:01:56,602 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 06:01:56,603 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 06:01:56,603 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 06:01:56,603 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 06:01:56,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 06:01:56,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 06:01:56,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 06:01:56,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:01:56,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 06:01:56,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 06:01:56,605 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 06:01:56,605 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 06:01:56,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 06:01:56,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 06:01:56,605 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_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65360727cbd68c581cd6e4ddec6424d5deee07e47cefb70d4b6b7d40f9b97f0 [2021-10-29 06:01:57,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 06:01:57,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 06:01:57,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 06:01:57,083 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 06:01:57,084 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 06:01:57,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-29 06:01:57,166 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/data/20ff596de/161ac1fc0cf24e5ea5b7e190973b00bb/FLAG79399cb27 [2021-10-29 06:01:57,771 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 06:01:57,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-10-29 06:01:57,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/data/20ff596de/161ac1fc0cf24e5ea5b7e190973b00bb/FLAG79399cb27 [2021-10-29 06:01:58,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/data/20ff596de/161ac1fc0cf24e5ea5b7e190973b00bb [2021-10-29 06:01:58,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 06:01:58,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 06:01:58,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 06:01:58,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 06:01:58,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 06:01:58,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:01:58" (1/1) ... [2021-10-29 06:01:58,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651a5291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:58, skipping insertion in model container [2021-10-29 06:01:58,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:01:58" (1/1) ... [2021-10-29 06:01:58,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 06:01:58,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 06:01:58,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:01:58,672 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 06:01:58,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 06:01:58,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:01:58,801 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 06:01:58,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:01:58,965 INFO L208 MainTranslator]: Completed translation [2021-10-29 06:01:58,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:58 WrapperNode [2021-10-29 06:01:58,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 06:01:58,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 06:01:58,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 06:01:58,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 06:01:58,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:58" (1/1) ... [2021-10-29 06:01:59,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:58" (1/1) ... [2021-10-29 06:01:59,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 06:01:59,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 06:01:59,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 06:01:59,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 06:01:59,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:58" (1/1) ... [2021-10-29 06:01:59,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:58" (1/1) ... [2021-10-29 06:01:59,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:58" (1/1) ... [2021-10-29 06:01:59,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:58" (1/1) ... [2021-10-29 06:01:59,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:58" (1/1) ... [2021-10-29 06:01:59,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:58" (1/1) ... [2021-10-29 06:01:59,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:58" (1/1) ... [2021-10-29 06:01:59,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 06:01:59,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 06:01:59,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 06:01:59,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 06:01:59,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:58" (1/1) ... [2021-10-29 06:01:59,119 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:01:59,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 06:01:59,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 06:01:59,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 06:01:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 06:01:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 06:01:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 06:01:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 06:01:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 06:01:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 06:01:59,487 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 06:01:59,487 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-29 06:01:59,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:01:59 BoogieIcfgContainer [2021-10-29 06:01:59,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 06:01:59,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 06:01:59,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 06:01:59,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 06:01:59,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:01:58" (1/3) ... [2021-10-29 06:01:59,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5909ef80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:01:59, skipping insertion in model container [2021-10-29 06:01:59,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:01:58" (2/3) ... [2021-10-29 06:01:59,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5909ef80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:01:59, skipping insertion in model container [2021-10-29 06:01:59,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:01:59" (3/3) ... [2021-10-29 06:01:59,499 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_1.i [2021-10-29 06:01:59,505 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 06:01:59,505 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-29 06:01:59,578 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 06:01:59,585 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 06:01:59,585 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-29 06:01:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:01:59,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 06:01:59,606 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:01:59,607 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:01:59,608 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2021-10-29 06:01:59,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:01:59,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1804965381, now seen corresponding path program 1 times [2021-10-29 06:01:59,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:01:59,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592009040] [2021-10-29 06:01:59,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:01:59,637 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:01:59,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:01:59,641 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:01:59,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 06:01:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:01:59,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 06:01:59,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 06:01:59,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:01:59,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 06:01:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:01:59,925 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 06:01:59,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592009040] [2021-10-29 06:01:59,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1592009040] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 06:01:59,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:01:59,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 06:01:59,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609197528] [2021-10-29 06:01:59,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 06:01:59,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 06:01:59,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 06:01:59,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 06:01:59,950 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:01:59,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:01:59,998 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2021-10-29 06:01:59,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 06:02:00,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-29 06:02:00,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:00,007 INFO L225 Difference]: With dead ends: 11 [2021-10-29 06:02:00,008 INFO L226 Difference]: Without dead ends: 9 [2021-10-29 06:02:00,009 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 06:02:00,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-10-29 06:02:00,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-10-29 06:02:00,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:00,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-10-29 06:02:00,037 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2021-10-29 06:02:00,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:00,038 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2021-10-29 06:02:00,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:00,038 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-10-29 06:02:00,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 06:02:00,039 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:00,039 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:02:00,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:00,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:00,240 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2021-10-29 06:02:00,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:00,241 INFO L85 PathProgramCache]: Analyzing trace with hash 119360950, now seen corresponding path program 1 times [2021-10-29 06:02:00,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 06:02:00,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300695933] [2021-10-29 06:02:00,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:00,242 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 06:02:00,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 06:02:00,243 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 06:02:00,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 06:02:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 06:02:00,308 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 06:02:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 06:02:00,366 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-29 06:02:00,367 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 06:02:00,368 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK [2021-10-29 06:02:00,370 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 06:02:00,371 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 06:02:00,371 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 06:02:00,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 06:02:00,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 06:02:00,574 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-29 06:02:00,577 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 06:02:00,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:02:00 BoogieIcfgContainer [2021-10-29 06:02:00,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 06:02:00,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 06:02:00,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 06:02:00,596 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 06:02:00,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:01:59" (3/4) ... [2021-10-29 06:02:00,600 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 06:02:00,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 06:02:00,602 INFO L168 Benchmark]: Toolchain (without parser) took 2552.21 ms. Allocated memory is still 96.5 MB. Free memory was 60.1 MB in the beginning and 53.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:00,602 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 78.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:02:00,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 911.50 ms. Allocated memory is still 96.5 MB. Free memory was 59.9 MB in the beginning and 61.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:00,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.44 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 59.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:00,614 INFO L168 Benchmark]: Boogie Preprocessor took 59.82 ms. Allocated memory is still 96.5 MB. Free memory was 59.2 MB in the beginning and 58.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:00,615 INFO L168 Benchmark]: RCFGBuilder took 378.94 ms. Allocated memory is still 96.5 MB. Free memory was 57.9 MB in the beginning and 47.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:00,616 INFO L168 Benchmark]: TraceAbstraction took 1103.26 ms. Allocated memory is still 96.5 MB. Free memory was 47.4 MB in the beginning and 53.6 MB in the end (delta: -6.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:02:00,616 INFO L168 Benchmark]: Witness Printer took 4.92 ms. Allocated memory is still 96.5 MB. Free memory is still 53.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:02:00,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 78.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 911.50 ms. Allocated memory is still 96.5 MB. Free memory was 59.9 MB in the beginning and 61.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.44 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 59.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.82 ms. Allocated memory is still 96.5 MB. Free memory was 59.2 MB in the beginning and 58.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 378.94 ms. Allocated memory is still 96.5 MB. Free memory was 57.9 MB in the beginning and 47.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1103.26 ms. Allocated memory is still 96.5 MB. Free memory was 47.4 MB in the beginning and 53.6 MB in the end (delta: -6.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.92 ms. Allocated memory is still 96.5 MB. Free memory is still 53.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] return - -3; VAL [a9={1:0}, ldv_global_msg_list={-2147483648:0}] [L766] int ret = probe_9_2(); [L767] COND FALSE !(ret==0) VAL [a9={1:0}, ldv_global_msg_list={-2147483648:0}] [L770] a9 = 0 VAL [a9={0:0}, ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 11 SDslu, 14 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 1 NumberOfNonLiveVariables, 34 ConjunctsInSsa, 3 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, 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 [2021-10-29 06:02:00,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c285aa-297f-451d-b2b0-b627f8176566/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...