./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.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_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/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_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/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_18400174-c82a-48b8-bcc9-e4d6e740ec4f/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 ddfce359b3d8de0c5be1f8bf63d3270573e58c63 ............................................................................................................................................. 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_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/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_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/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_18400174-c82a-48b8-bcc9-e4d6e740ec4f/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 ddfce359b3d8de0c5be1f8bf63d3270573e58c63 .......................................................................................................................................................................................................................................................... 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 02:23:19,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:19,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:19,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:19,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:19,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:19,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:19,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:19,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:19,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:19,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:19,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:19,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:19,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:19,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:19,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:19,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:19,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:19,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:19,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:19,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:19,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:19,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:19,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:19,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:19,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:19,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:19,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:19,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:19,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:19,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:19,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:19,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:19,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:19,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:19,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:19,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:19,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:19,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:19,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:19,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:19,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:23:19,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:19,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:19,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:19,308 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:19,308 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:19,308 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:19,308 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:19,309 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:19,309 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:19,309 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:19,310 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:19,311 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:19,311 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:19,311 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:19,312 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:19,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:23:19,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:23:19,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:19,314 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:19,314 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:23:19,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:19,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:19,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:19,315 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:23:19,316 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:23:19,316 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:23:19,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:19,317 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:19,317 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:19,317 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:19,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:19,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:19,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:19,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:19,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:19,319 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:19,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:19,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:19,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:19,320 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_18400174-c82a-48b8-bcc9-e4d6e740ec4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2021-10-11 02:23:19,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:19,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:19,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:19,636 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:19,638 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:19,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-10-11 02:23:19,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/data/5700b0b79/00f63167977348c3be66d20baea90d6f/FLAG0687b69b3 [2021-10-11 02:23:20,306 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:20,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-10-11 02:23:20,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/data/5700b0b79/00f63167977348c3be66d20baea90d6f/FLAG0687b69b3 [2021-10-11 02:23:20,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/data/5700b0b79/00f63167977348c3be66d20baea90d6f [2021-10-11 02:23:20,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:20,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:20,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:20,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:20,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:20,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:20" (1/1) ... [2021-10-11 02:23:20,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2006b3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:20, skipping insertion in model container [2021-10-11 02:23:20,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:20" (1/1) ... [2021-10-11 02:23:20,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:20,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:21,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:21,077 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 02:23:21,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6933bc87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:21, skipping insertion in model container [2021-10-11 02:23:21,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:21,078 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:21,081 INFO L168 Benchmark]: Toolchain (without parser) took 510.61 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 64.3 MB in the beginning and 93.2 MB in the end (delta: -28.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:21,082 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 96.5 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:21,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.55 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 64.3 MB in the beginning and 93.2 MB in the end (delta: -28.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:21,085 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 96.5 MB. Free memory is still 51.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 503.55 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 64.3 MB in the beginning and 93.2 MB in the end (delta: -28.9 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 0.2.0-7b2dab5 [2021-10-11 02:23:23,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:23,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:23,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:23,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:23,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:23,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:23,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:23,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:23,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:23,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:23,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:23,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:23,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:23,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:23,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:23,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:23,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:23,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:23,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:23,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:23,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:23,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:23,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:23,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:23,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:23,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:23,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:23,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:23,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:23,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:23,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:23,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:23,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:23,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:23,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:23,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:23,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:23,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:23,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:23,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:23,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:23:23,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:23,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:23,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:23,549 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:23,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:23,549 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:23,550 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:23,550 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:23,551 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:23,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:23:23,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:23:23,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:23,554 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:23,554 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:23:23,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:23,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:23,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:23,555 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:23:23,555 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:23:23,556 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:23:23,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:23,556 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:23,556 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:23:23,557 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:23:23,557 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:23,557 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:23,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:23,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:23:23,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:23,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:23,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:23,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:23,559 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:23:23,559 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:23,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:23,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:23,560 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_18400174-c82a-48b8-bcc9-e4d6e740ec4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfce359b3d8de0c5be1f8bf63d3270573e58c63 [2021-10-11 02:23:23,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:23,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:23,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:23,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:23,959 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:23,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-10-11 02:23:24,039 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/data/b22084af1/2e5edf220b7a491eaaa85efbd15a20c5/FLAGba34ad124 [2021-10-11 02:23:24,719 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:24,720 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2021-10-11 02:23:24,736 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/data/b22084af1/2e5edf220b7a491eaaa85efbd15a20c5/FLAGba34ad124 [2021-10-11 02:23:24,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/bin/utaipan-WLngWcDbfI/data/b22084af1/2e5edf220b7a491eaaa85efbd15a20c5 [2021-10-11 02:23:24,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:24,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:24,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:24,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:25,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:25,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:24" (1/1) ... [2021-10-11 02:23:25,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca93809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:25, skipping insertion in model container [2021-10-11 02:23:25,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:24" (1/1) ... [2021-10-11 02:23:25,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:25,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:25,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:25,626 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:23:25,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:25,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:25,758 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:25,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:25,978 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:25,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:25 WrapperNode [2021-10-11 02:23:25,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:25,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:25,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:25,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:25,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:25" (1/1) ... [2021-10-11 02:23:26,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:25" (1/1) ... [2021-10-11 02:23:26,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:26,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:26,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:26,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:26,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:25" (1/1) ... [2021-10-11 02:23:26,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:25" (1/1) ... [2021-10-11 02:23:26,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:25" (1/1) ... [2021-10-11 02:23:26,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:25" (1/1) ... [2021-10-11 02:23:26,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:25" (1/1) ... [2021-10-11 02:23:26,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:25" (1/1) ... [2021-10-11 02:23:26,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:25" (1/1) ... [2021-10-11 02:23:26,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:26,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:26,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:26,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:26,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:25" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/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 02:23:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:23:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:23:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:23:26,519 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:23:26,519 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-11 02:23:26,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:26 BoogieIcfgContainer [2021-10-11 02:23:26,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:23:26,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:23:26,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:23:26,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:23:26,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:24" (1/3) ... [2021-10-11 02:23:26,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb2af49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:26, skipping insertion in model container [2021-10-11 02:23:26,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:25" (2/3) ... [2021-10-11 02:23:26,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb2af49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:26, skipping insertion in model container [2021-10-11 02:23:26,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:26" (3/3) ... [2021-10-11 02:23:26,528 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test20-1.i [2021-10-11 02:23:26,541 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:23:26,544 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:23:26,554 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:23:26,573 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:23:26,573 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 02:23:26,574 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:23:26,574 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:23:26,574 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:23:26,574 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:23:26,574 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:23:26,574 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:23:26,585 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2021-10-11 02:23:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:23:26,591 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:26,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:26,592 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:23:26,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:26,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966440, now seen corresponding path program 1 times [2021-10-11 02:23:26,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:26,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139527392] [2021-10-11 02:23:26,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18400174-c82a-48b8-bcc9-e4d6e740ec4f/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 02:23:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:23:26,738 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:23:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:23:26,779 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:23:26,837 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:23:26,848 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:23:27,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:23:27,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:27 BoogieIcfgContainer [2021-10-11 02:23:27,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:27,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:27,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:27,099 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:27,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:26" (3/4) ... [2021-10-11 02:23:27,103 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:23:27,103 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:27,105 INFO L168 Benchmark]: Toolchain (without parser) took 2109.55 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 32.8 MB in the beginning and 43.6 MB in the end (delta: -10.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:27,106 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 56.6 MB. Free memory was 37.6 MB in the beginning and 37.5 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:27,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 982.17 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 32.6 MB in the beginning and 40.3 MB in the end (delta: -7.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:27,108 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.20 ms. Allocated memory is still 73.4 MB. Free memory was 40.3 MB in the beginning and 38.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:27,108 INFO L168 Benchmark]: Boogie Preprocessor took 62.71 ms. Allocated memory is still 73.4 MB. Free memory was 38.2 MB in the beginning and 36.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:27,109 INFO L168 Benchmark]: RCFGBuilder took 405.35 ms. Allocated memory is still 73.4 MB. Free memory was 36.9 MB in the beginning and 42.8 MB in the end (delta: -5.9 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:27,110 INFO L168 Benchmark]: TraceAbstraction took 563.14 ms. Allocated memory is still 73.4 MB. Free memory was 42.4 MB in the beginning and 44.1 MB in the end (delta: -1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:27,113 INFO L168 Benchmark]: Witness Printer took 17.45 ms. Allocated memory is still 73.4 MB. Free memory was 44.1 MB in the beginning and 43.6 MB in the end (delta: 425.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:27,117 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 56.6 MB. Free memory was 37.6 MB in the beginning and 37.5 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 982.17 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 32.6 MB in the beginning and 40.3 MB in the end (delta: -7.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.20 ms. Allocated memory is still 73.4 MB. Free memory was 40.3 MB in the beginning and 38.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.71 ms. Allocated memory is still 73.4 MB. Free memory was 38.2 MB in the beginning and 36.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 405.35 ms. Allocated memory is still 73.4 MB. Free memory was 36.9 MB in the beginning and 42.8 MB in the end (delta: -5.9 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 563.14 ms. Allocated memory is still 73.4 MB. Free memory was 42.4 MB in the beginning and 44.1 MB in the end (delta: -1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 17.45 ms. Allocated memory is still 73.4 MB. Free memory was 44.1 MB in the beginning and 43.6 MB in the end (delta: 425.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; VAL [ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [ldv_global_msg_list={3:0}, saved_device_20={0:0}] [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L763] saved_device_20 = dev VAL [ldv_global_msg_list={3:0}, saved_device_20={1:4}] [L779] saved_device_20 = 0 VAL [ldv_global_msg_list={3:0}, saved_device_20={0:0}] - 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...