./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.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_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI --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 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef ............................................................................................................................................. 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_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI --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 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:23:29,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:29,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:29,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:29,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:29,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:29,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:29,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:29,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:29,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:29,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:29,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:29,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:29,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:29,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:29,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:29,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:29,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:30,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:30,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:30,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:30,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:30,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:30,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:30,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:30,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:30,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:30,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:30,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:30,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:30,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:30,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:30,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:30,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:30,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:30,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:30,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:30,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:30,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:30,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:30,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:30,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:23:30,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:30,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:30,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:30,088 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:30,088 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:30,088 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:30,088 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:30,088 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:30,089 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:30,089 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:30,090 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:30,090 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:30,090 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:30,091 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:30,091 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:30,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:23:30,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:23:30,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:30,093 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:30,093 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:23:30,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:30,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:30,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:30,094 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:23:30,094 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:23:30,094 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:23:30,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:30,096 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:30,096 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:30,096 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:30,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:30,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:30,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:30,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:30,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:30,098 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:30,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:30,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:30,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:30,098 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_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef [2021-10-11 02:23:30,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:30,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:30,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:30,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:30,465 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:30,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-10-11 02:23:30,542 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/data/4a026905d/d4f3afa7796f412a9afea07fcf9b3058/FLAGe542d0018 [2021-10-11 02:23:31,116 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:31,117 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-10-11 02:23:31,142 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/data/4a026905d/d4f3afa7796f412a9afea07fcf9b3058/FLAGe542d0018 [2021-10-11 02:23:31,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/data/4a026905d/d4f3afa7796f412a9afea07fcf9b3058 [2021-10-11 02:23:31,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:31,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:31,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:31,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:31,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:31,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:31" (1/1) ... [2021-10-11 02:23:31,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450f1fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:31, skipping insertion in model container [2021-10-11 02:23:31,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:31" (1/1) ... [2021-10-11 02:23:31,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:31,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:31,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:31,935 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) [2021-10-11 02:23:31,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7347d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:31, skipping insertion in model container [2021-10-11 02:23:31,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:31,937 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:31,941 INFO L168 Benchmark]: Toolchain (without parser) took 574.04 ms. Allocated memory is still 94.4 MB. Free memory was 57.7 MB in the beginning and 67.4 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:31,942 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory was 75.5 MB in the beginning and 75.4 MB in the end (delta: 56.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:31,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.29 ms. Allocated memory is still 94.4 MB. Free memory was 57.4 MB in the beginning and 67.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:31,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory was 75.5 MB in the beginning and 75.4 MB in the end (delta: 56.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 569.29 ms. Allocated memory is still 94.4 MB. Free memory was 57.4 MB in the beginning and 67.4 MB in the end (delta: -10.0 MB). Peak memory consumption was 8.4 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 [2021-10-11 02:23:34,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:34,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:34,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:34,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:34,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:34,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:34,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:34,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:34,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:34,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:34,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:34,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:34,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:34,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:34,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:34,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:34,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:34,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:34,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:34,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:34,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:34,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:34,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:34,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:34,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:34,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:34,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:34,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:34,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:34,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:34,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:34,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:34,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:34,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:34,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:34,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:34,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:34,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:34,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:34,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:34,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:23:34,314 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:34,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:34,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:34,321 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:34,321 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:34,321 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:34,321 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:34,322 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:34,322 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:34,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:23:34,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:23:34,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:34,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:34,326 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:23:34,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:34,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:34,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:34,327 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:23:34,327 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:23:34,327 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:23:34,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:34,328 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:34,328 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:23:34,328 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:23:34,328 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:34,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:34,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:34,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:23:34,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:34,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:34,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:34,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:34,331 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:23:34,331 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:34,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:34,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:34,331 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_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aa413ce141bd9ac82cb772b4fff7eceb2c0f2ef [2021-10-11 02:23:34,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:34,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:34,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:34,759 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:34,760 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:34,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-10-11 02:23:34,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/data/18b723b46/62db8dc3c4414ada8c06a3d9e7140664/FLAG50b98285c [2021-10-11 02:23:35,468 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:35,469 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-10-11 02:23:35,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/data/18b723b46/62db8dc3c4414ada8c06a3d9e7140664/FLAG50b98285c [2021-10-11 02:23:35,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/data/18b723b46/62db8dc3c4414ada8c06a3d9e7140664 [2021-10-11 02:23:35,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:35,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:35,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:35,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:35,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:35,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:35" (1/1) ... [2021-10-11 02:23:35,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a94bda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:35, skipping insertion in model container [2021-10-11 02:23:35,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:35" (1/1) ... [2021-10-11 02:23:35,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:35,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:36,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:36,430 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:23:36,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:36,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:36,545 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:36,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:36,769 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:36,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36 WrapperNode [2021-10-11 02:23:36,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:36,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:36,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:36,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:36,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36" (1/1) ... [2021-10-11 02:23:36,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36" (1/1) ... [2021-10-11 02:23:36,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:36,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:36,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:36,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:36,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36" (1/1) ... [2021-10-11 02:23:36,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36" (1/1) ... [2021-10-11 02:23:36,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36" (1/1) ... [2021-10-11 02:23:36,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36" (1/1) ... [2021-10-11 02:23:36,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36" (1/1) ... [2021-10-11 02:23:36,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36" (1/1) ... [2021-10-11 02:23:36,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36" (1/1) ... [2021-10-11 02:23:36,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:36,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:36,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:36,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:36,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:23:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:23:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:23:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:23:37,276 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:23:37,293 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-11 02:23:37,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:37 BoogieIcfgContainer [2021-10-11 02:23:37,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:23:37,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:23:37,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:23:37,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:23:37,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:35" (1/3) ... [2021-10-11 02:23:37,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3994aa7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:37, skipping insertion in model container [2021-10-11 02:23:37,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36" (2/3) ... [2021-10-11 02:23:37,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3994aa7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:37, skipping insertion in model container [2021-10-11 02:23:37,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:37" (3/3) ... [2021-10-11 02:23:37,302 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2021-10-11 02:23:37,315 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:23:37,318 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:23:37,329 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:23:37,354 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:23:37,354 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 02:23:37,355 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:23:37,355 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:23:37,355 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:23:37,355 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:23:37,355 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:23:37,355 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:23:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2021-10-11 02:23:37,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:23:37,374 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:37,375 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:37,375 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:23:37,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:37,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966408, now seen corresponding path program 1 times [2021-10-11 02:23:37,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:37,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [260044205] [2021-10-11 02:23:37,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c5d20e-e427-4a68-9c9c-df5745bc05eb/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:23:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:23:37,565 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:23:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:23:37,595 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:23:37,626 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:23:37,626 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:23:37,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:23:37,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:37 BoogieIcfgContainer [2021-10-11 02:23:37,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:37,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:37,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:37,869 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:37,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:37" (3/4) ... [2021-10-11 02:23:37,873 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:23:37,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:37,875 INFO L168 Benchmark]: Toolchain (without parser) took 2117.43 ms. Allocated memory is still 73.4 MB. Free memory was 58.8 MB in the beginning and 33.1 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:37,877 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 73.4 MB. Free memory was 55.3 MB in the beginning and 55.2 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:37,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1011.01 ms. Allocated memory is still 73.4 MB. Free memory was 58.5 MB in the beginning and 42.7 MB in the end (delta: 15.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:37,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.90 ms. Allocated memory is still 73.4 MB. Free memory was 42.7 MB in the beginning and 40.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:37,881 INFO L168 Benchmark]: Boogie Preprocessor took 54.15 ms. Allocated memory is still 73.4 MB. Free memory was 40.6 MB in the beginning and 39.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:37,882 INFO L168 Benchmark]: RCFGBuilder took 384.04 ms. Allocated memory is still 73.4 MB. Free memory was 39.1 MB in the beginning and 51.2 MB in the end (delta: -12.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:37,887 INFO L168 Benchmark]: TraceAbstraction took 571.11 ms. Allocated memory is still 73.4 MB. Free memory was 50.8 MB in the beginning and 33.5 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:37,888 INFO L168 Benchmark]: Witness Printer took 4.65 ms. Allocated memory is still 73.4 MB. Free memory was 33.5 MB in the beginning and 33.1 MB in the end (delta: 391.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:37,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 73.4 MB. Free memory was 55.3 MB in the beginning and 55.2 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1011.01 ms. Allocated memory is still 73.4 MB. Free memory was 58.5 MB in the beginning and 42.7 MB in the end (delta: 15.8 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.90 ms. Allocated memory is still 73.4 MB. Free memory was 42.7 MB in the beginning and 40.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.15 ms. Allocated memory is still 73.4 MB. Free memory was 40.6 MB in the beginning and 39.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 384.04 ms. Allocated memory is still 73.4 MB. Free memory was 39.1 MB in the beginning and 51.2 MB in the end (delta: -12.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 571.11 ms. Allocated memory is still 73.4 MB. Free memory was 50.8 MB in the beginning and 33.5 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.65 ms. Allocated memory is still 73.4 MB. Free memory was 33.5 MB in the beginning and 33.1 MB in the end (delta: 391.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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) }; VAL [ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [ldv_global_msg_list={3:0}] [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; VAL [ldv_global_msg_list={3:0}] [L770] struct ldv_device *dev = alloc_21(); - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, 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=10occurred 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, 7 NumberOfCodeBlocks, 7 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...