./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.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_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/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_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/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_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/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 ea1fbe157ea6ed0e661f632bb00aba6515b6f780 ............................................................................................................................................. 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_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/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_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/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_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/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 ea1fbe157ea6ed0e661f632bb00aba6515b6f780 ..................................................................................................................................................................................................................................................................................................... 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 02:29:46,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:46,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:46,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:46,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:46,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:46,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:46,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:46,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:46,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:46,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:46,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:46,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:46,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:46,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:46,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:46,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:46,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:46,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:46,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:46,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:46,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:46,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:46,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:46,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:46,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:46,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:46,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:46,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:46,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:46,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:46,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:46,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:46,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:46,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:46,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:46,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:46,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:46,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:46,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:46,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:46,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-11 02:29:46,297 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:46,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:46,299 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:46,306 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:46,306 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:46,306 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:46,307 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:46,307 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:46,307 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:46,307 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:46,308 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:46,309 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:46,309 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:46,309 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:46,309 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:46,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:29:46,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:29:46,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:46,311 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:46,311 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:29:46,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:46,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:46,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:46,312 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:29:46,312 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:29:46,312 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:29:46,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:46,314 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:46,314 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:46,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:46,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:46,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:46,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:46,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:46,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:46,316 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:46,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:46,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:46,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:46,317 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_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2021-10-11 02:29:46,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:46,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:46,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:46,632 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:46,632 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:46,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-11 02:29:46,737 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/data/f6edc49d5/79eff685b9ef42f6aa0b3ee90a5715dc/FLAGacaaf7044 [2021-10-11 02:29:47,267 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:47,268 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-11 02:29:47,283 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/data/f6edc49d5/79eff685b9ef42f6aa0b3ee90a5715dc/FLAGacaaf7044 [2021-10-11 02:29:47,568 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/data/f6edc49d5/79eff685b9ef42f6aa0b3ee90a5715dc [2021-10-11 02:29:47,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:47,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:47,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:47,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:47,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:47,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:47" (1/1) ... [2021-10-11 02:29:47,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6101be4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47, skipping insertion in model container [2021-10-11 02:29:47,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:47" (1/1) ... [2021-10-11 02:29:47,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:47,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:48,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:48,131 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 02:29:48,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79dbbed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:48, skipping insertion in model container [2021-10-11 02:29:48,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:48,132 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:29:48,134 INFO L168 Benchmark]: Toolchain (without parser) took 559.52 ms. Allocated memory is still 119.5 MB. Free memory was 85.7 MB in the beginning and 92.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:48,135 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:48,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.83 ms. Allocated memory is still 119.5 MB. Free memory was 85.4 MB in the beginning and 92.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:48,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 553.83 ms. Allocated memory is still 119.5 MB. Free memory was 85.4 MB in the beginning and 92.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:29:50,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:50,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:50,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:50,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:50,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:50,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:50,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:50,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:50,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:50,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:50,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:50,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:50,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:50,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:50,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:50,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:50,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:50,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:50,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:50,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:50,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:50,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:50,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:50,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:50,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:50,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:50,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:50,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:50,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:50,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:50,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:50,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:50,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:50,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:50,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:50,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:50,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:50,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:50,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:50,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:50,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-11 02:29:50,684 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:50,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:50,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:50,686 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:50,687 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:50,687 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:50,687 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:50,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:50,688 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:50,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:29:50,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:29:50,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:50,691 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:50,691 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:29:50,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:50,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:50,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:50,692 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:29:50,693 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:29:50,693 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:29:50,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:50,693 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:50,693 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:29:50,694 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:29:50,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:50,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:50,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:50,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:29:50,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:50,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:50,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:50,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:50,696 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:29:50,696 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:50,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:50,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:50,697 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_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2021-10-11 02:29:51,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:51,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:51,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:51,169 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:51,169 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:51,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-11 02:29:51,248 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/data/f9c518e06/19e06391da5c45c7b5de4b8ae628b99f/FLAGf82878a6e [2021-10-11 02:29:51,976 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:51,977 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-11 02:29:52,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/data/f9c518e06/19e06391da5c45c7b5de4b8ae628b99f/FLAGf82878a6e [2021-10-11 02:29:52,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/data/f9c518e06/19e06391da5c45c7b5de4b8ae628b99f [2021-10-11 02:29:52,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:52,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:52,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:52,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:52,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:52,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:52" (1/1) ... [2021-10-11 02:29:52,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668feecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:52, skipping insertion in model container [2021-10-11 02:29:52,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:52" (1/1) ... [2021-10-11 02:29:52,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:52,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:52,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:52,792 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:29:52,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:52,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:52,914 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:52,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:53,098 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:53,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53 WrapperNode [2021-10-11 02:29:53,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:53,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:53,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:53,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:53,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:53,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:53,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:53,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:53,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:53,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:53,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:53,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:53,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:53,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:53,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:53,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:53,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:53,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:53,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:53,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:53,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:53,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/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 02:29:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:29:53,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:29:53,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:53,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:29:53,736 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:29:53,736 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-11 02:29:53,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:53 BoogieIcfgContainer [2021-10-11 02:29:53,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:29:53,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:29:53,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:29:53,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:29:53,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:29:52" (1/3) ... [2021-10-11 02:29:53,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4009c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:53, skipping insertion in model container [2021-10-11 02:29:53,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53" (2/3) ... [2021-10-11 02:29:53,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4009c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:53, skipping insertion in model container [2021-10-11 02:29:53,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:53" (3/3) ... [2021-10-11 02:29:53,746 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2021-10-11 02:29:53,769 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:29:53,772 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:29:53,783 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:29:53,818 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:29:53,818 INFO L378 AbstractCegarLoop]: Hoare is false [2021-10-11 02:29:53,818 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:29:53,819 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:29:53,819 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:29:53,819 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:29:53,819 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:29:53,819 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:29:53,834 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2021-10-11 02:29:53,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 02:29:53,841 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:53,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 02:29:53,842 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:29:53,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:53,850 INFO L82 PathProgramCache]: Analyzing trace with hash 28702702, now seen corresponding path program 1 times [2021-10-11 02:29:53,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:53,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074643792] [2021-10-11 02:29:53,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/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 02:29:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:54,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:54,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:54,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:54,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:54,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074643792] [2021-10-11 02:29:54,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:54,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:54,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352740465] [2021-10-11 02:29:54,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:54,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:54,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:54,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:54,112 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2021-10-11 02:29:54,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:54,151 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2021-10-11 02:29:54,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:54,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2021-10-11 02:29:54,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:54,173 INFO L225 Difference]: With dead ends: 13 [2021-10-11 02:29:54,173 INFO L226 Difference]: Without dead ends: 8 [2021-10-11 02:29:54,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:54,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-10-11 02:29:54,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-10-11 02:29:54,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-10-11 02:29:54,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2021-10-11 02:29:54,205 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 5 [2021-10-11 02:29:54,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:54,205 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2021-10-11 02:29:54,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2021-10-11 02:29:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:29:54,206 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:54,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:54,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:29:54,422 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK]=== [2021-10-11 02:29:54,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:54,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1804936617, now seen corresponding path program 1 times [2021-10-11 02:29:54,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:54,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753893405] [2021-10-11 02:29:54,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2093b76e-fb4f-4055-89bd-f0ee87f5f83a/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:29:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:29:54,539 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:29:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:29:54,587 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:29:54,639 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:29:54,639 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:29:54,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:29:54,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:29:54 BoogieIcfgContainer [2021-10-11 02:29:54,875 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:29:54,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:29:54,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:29:54,876 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:29:54,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:53" (3/4) ... [2021-10-11 02:29:54,895 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:29:54,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:29:54,897 INFO L168 Benchmark]: Toolchain (without parser) took 2688.45 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 46.6 MB in the beginning and 65.4 MB in the end (delta: -18.7 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:54,898 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory is still 47.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:54,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.70 ms. Allocated memory is still 67.1 MB. Free memory was 46.5 MB in the beginning and 40.4 MB in the end (delta: 6.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:54,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.91 ms. Allocated memory is still 67.1 MB. Free memory was 40.4 MB in the beginning and 38.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:54,900 INFO L168 Benchmark]: Boogie Preprocessor took 53.74 ms. Allocated memory is still 67.1 MB. Free memory was 38.2 MB in the beginning and 37.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:54,900 INFO L168 Benchmark]: RCFGBuilder took 500.99 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 37.1 MB in the beginning and 67.3 MB in the end (delta: -30.2 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:54,901 INFO L168 Benchmark]: TraceAbstraction took 1136.09 ms. Allocated memory is still 90.2 MB. Free memory was 66.8 MB in the beginning and 66.0 MB in the end (delta: 804.7 kB). Peak memory consumption was 509.4 kB. Max. memory is 16.1 GB. [2021-10-11 02:29:54,902 INFO L168 Benchmark]: Witness Printer took 19.10 ms. Allocated memory is still 90.2 MB. Free memory was 66.0 MB in the beginning and 65.4 MB in the end (delta: 598.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:54,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 67.1 MB. Free memory is still 47.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 889.70 ms. Allocated memory is still 67.1 MB. Free memory was 46.5 MB in the beginning and 40.4 MB in the end (delta: 6.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.91 ms. Allocated memory is still 67.1 MB. Free memory was 40.4 MB in the beginning and 38.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.74 ms. Allocated memory is still 67.1 MB. Free memory was 38.2 MB in the beginning and 37.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 500.99 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 37.1 MB in the beginning and 67.3 MB in the end (delta: -30.2 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1136.09 ms. Allocated memory is still 90.2 MB. Free memory was 66.8 MB in the beginning and 66.0 MB in the end (delta: 804.7 kB). Peak memory consumption was 509.4 kB. Max. memory is 16.1 GB. * Witness Printer took 19.10 ms. Allocated memory is still 90.2 MB. Free memory was 66.0 MB in the beginning and 65.4 MB in the end (delta: 598.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. 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}] [L768] int condition = __VERIFIER_nondet_int(); [L761] COND TRUE \read(condition) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [ldv_global_msg_list={3:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [ldv_global_msg_list={3:0}] [L769] struct A16 *p = alloc_16(condition); - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 5 SDslu, 2 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...