./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f ............................................................................................................................................. 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_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f .................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:49:43,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:49:43,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:49:43,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:49:43,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:49:43,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:49:43,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:49:43,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:49:43,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:49:43,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:49:43,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:49:43,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:49:43,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:49:43,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:49:43,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:49:43,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:49:43,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:49:43,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:49:43,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:49:43,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:49:43,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:49:43,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:49:43,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:49:43,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:49:43,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:49:43,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:49:43,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:49:43,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:49:43,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:49:43,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:49:43,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:49:43,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:49:43,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:49:43,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:49:43,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:49:43,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:49:43,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:49:43,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:49:43,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:49:43,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:49:43,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:49:43,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-10-29 05:49:43,614 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:49:43,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:49:43,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:49:43,615 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:49:43,615 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:49:43,616 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:49:43,616 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:49:43,616 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:49:43,616 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:49:43,617 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:49:43,617 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:49:43,617 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:49:43,617 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:49:43,618 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:49:43,618 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:49:43,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:49:43,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:49:43,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:49:43,619 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:49:43,619 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:49:43,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:49:43,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:49:43,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:49:43,620 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:49:43,621 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:49:43,621 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:49:43,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:49:43,621 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:49:43,622 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:49:43,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:49:43,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:49:43,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:49:43,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:49:43,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:49:43,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:49:43,623 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:49:43,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:49:43,624 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:49:43,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:49:43,624 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_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2021-10-29 05:49:43,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:49:43,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:49:43,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:49:43,871 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:49:43,872 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:49:43,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-10-29 05:49:43,948 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/data/a0b9dbf2b/0051463760e444dfa3be39f85ebf6ac6/FLAG34377734f [2021-10-29 05:49:44,453 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:49:44,454 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-10-29 05:49:44,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/data/a0b9dbf2b/0051463760e444dfa3be39f85ebf6ac6/FLAG34377734f [2021-10-29 05:49:44,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/data/a0b9dbf2b/0051463760e444dfa3be39f85ebf6ac6 [2021-10-29 05:49:44,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:49:44,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:49:44,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:49:44,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:49:44,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:49:44,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:49:44" (1/1) ... [2021-10-29 05:49:44,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d798dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:44, skipping insertion in model container [2021-10-29 05:49:44,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:49:44" (1/1) ... [2021-10-29 05:49:44,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:49:44,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:49:45,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:49:45,253 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:49:45,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@38e07a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:45, skipping insertion in model container [2021-10-29 05:49:45,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:49:45,254 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:49:45,257 INFO L168 Benchmark]: Toolchain (without parser) took 492.15 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 75.2 MB in the beginning and 108.0 MB in the end (delta: -32.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:45,259 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 109.1 MB. Free memory is still 64.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:49:45,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.77 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 75.2 MB in the beginning and 108.0 MB in the end (delta: -32.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:45,262 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 109.1 MB. Free memory is still 64.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 483.77 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 75.2 MB in the beginning and 108.0 MB in the end (delta: -32.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:49:47,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:49:47,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:49:47,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:49:47,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:49:47,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:49:47,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:49:47,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:49:47,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:49:47,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:49:47,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:49:47,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:49:47,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:49:47,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:49:47,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:49:47,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:49:47,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:49:47,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:49:47,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:49:47,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:49:47,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:49:47,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:49:47,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:49:47,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:49:47,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:49:47,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:49:47,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:49:47,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:49:47,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:49:47,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:49:47,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:49:47,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:49:47,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:49:47,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:49:47,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:49:47,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:49:47,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:49:47,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:49:47,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:49:47,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:49:47,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:49:47,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-10-29 05:49:47,612 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:49:47,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:49:47,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:49:47,614 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:49:47,614 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:49:47,614 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:49:47,615 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:49:47,615 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:49:47,616 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:49:47,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 05:49:47,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 05:49:47,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:49:47,619 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:49:47,619 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:49:47,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:49:47,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:49:47,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:49:47,620 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 05:49:47,620 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 05:49:47,620 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 05:49:47,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:49:47,621 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:49:47,621 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:49:47,621 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:49:47,621 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:49:47,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:49:47,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:49:47,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:49:47,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:49:47,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:49:47,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:49:47,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:49:47,624 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:49:47,624 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:49:47,624 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:49:47,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:49:47,625 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_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c85095e6c097860f8990ece506beaedeb77748d9abbe74af49965756711c2a8f [2021-10-29 05:49:48,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:49:48,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:49:48,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:49:48,042 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:49:48,043 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:49:48,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-10-29 05:49:48,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/data/53052cc7c/8826bbb8c64f46a5a59af8b0083e7891/FLAG351c04ddd [2021-10-29 05:49:48,715 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:49:48,716 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/sv-benchmarks/c/ldv-memsafety/memleaks_test3-1.i [2021-10-29 05:49:48,731 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/data/53052cc7c/8826bbb8c64f46a5a59af8b0083e7891/FLAG351c04ddd [2021-10-29 05:49:48,947 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/data/53052cc7c/8826bbb8c64f46a5a59af8b0083e7891 [2021-10-29 05:49:48,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:49:48,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:49:48,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:49:48,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:49:48,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:49:48,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:49:48" (1/1) ... [2021-10-29 05:49:48,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58adc542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:48, skipping insertion in model container [2021-10-29 05:49:48,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:49:48" (1/1) ... [2021-10-29 05:49:48,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:49:49,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:49:49,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:49:49,568 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:49:49,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:49:49,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:49:49,659 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:49:49,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:49:49,767 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:49:49,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:49 WrapperNode [2021-10-29 05:49:49,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:49:49,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:49:49,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:49:49,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:49:49,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:49" (1/1) ... [2021-10-29 05:49:49,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:49" (1/1) ... [2021-10-29 05:49:49,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:49:49,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:49:49,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:49:49,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:49:49,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:49" (1/1) ... [2021-10-29 05:49:49,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:49" (1/1) ... [2021-10-29 05:49:49,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:49" (1/1) ... [2021-10-29 05:49:49,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:49" (1/1) ... [2021-10-29 05:49:49,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:49" (1/1) ... [2021-10-29 05:49:49,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:49" (1/1) ... [2021-10-29 05:49:49,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:49" (1/1) ... [2021-10-29 05:49:49,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:49:49,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:49:49,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:49:49,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:49:49,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:49" (1/1) ... [2021-10-29 05:49:49,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:49:49,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:49:49,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:49:49,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:49:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:49:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:49:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 05:49:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:49:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:49:50,257 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:49:50,261 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-29 05:49:50,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:49:50 BoogieIcfgContainer [2021-10-29 05:49:50,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:49:50,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:49:50,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:49:50,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:49:50,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:49:48" (1/3) ... [2021-10-29 05:49:50,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2841a761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:49:50, skipping insertion in model container [2021-10-29 05:49:50,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:49" (2/3) ... [2021-10-29 05:49:50,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2841a761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:49:50, skipping insertion in model container [2021-10-29 05:49:50,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:49:50" (3/3) ... [2021-10-29 05:49:50,272 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test3-1.i [2021-10-29 05:49:50,278 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:49:50,278 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-29 05:49:50,332 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:49:50,340 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:49:50,341 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-29 05:49:50,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:49:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 05:49:50,370 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:50,371 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-29 05:49:50,371 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2021-10-29 05:49:50,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:50,378 INFO L85 PathProgramCache]: Analyzing trace with hash 28692802, now seen corresponding path program 1 times [2021-10-29 05:49:50,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:50,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1207504322] [2021-10-29 05:49:50,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:50,392 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:50,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:50,398 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:50,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:49:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:49:50,494 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:49:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:49:50,544 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-29 05:49:50,547 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:49:50,548 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 05:49:50,550 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 05:49:50,550 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-29 05:49:50,550 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK [2021-10-29 05:49:50,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:49:50,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:50,776 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 05:49:50,779 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:49:50,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:49:50 BoogieIcfgContainer [2021-10-29 05:49:50,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:49:50,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:49:50,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:49:50,800 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:49:50,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:49:50" (3/4) ... [2021-10-29 05:49:50,803 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 05:49:50,837 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:49:50,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:49:50,839 INFO L168 Benchmark]: Toolchain (without parser) took 1885.33 ms. Allocated memory is still 75.5 MB. Free memory was 56.4 MB in the beginning and 40.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:50,840 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 60.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:49:50,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.49 ms. Allocated memory is still 75.5 MB. Free memory was 56.2 MB in the beginning and 39.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:50,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.58 ms. Allocated memory is still 75.5 MB. Free memory was 39.3 MB in the beginning and 37.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:50,841 INFO L168 Benchmark]: Boogie Preprocessor took 34.80 ms. Allocated memory is still 75.5 MB. Free memory was 37.3 MB in the beginning and 36.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:49:50,842 INFO L168 Benchmark]: RCFGBuilder took 390.77 ms. Allocated memory is still 75.5 MB. Free memory was 36.0 MB in the beginning and 54.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:50,842 INFO L168 Benchmark]: TraceAbstraction took 530.56 ms. Allocated memory is still 75.5 MB. Free memory was 53.9 MB in the beginning and 42.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:50,843 INFO L168 Benchmark]: Witness Printer took 37.77 ms. Allocated memory is still 75.5 MB. Free memory was 42.2 MB in the beginning and 40.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:49:50,846 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory was 56.0 MB in the beginning and 55.9 MB in the end (delta: 60.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 810.49 ms. Allocated memory is still 75.5 MB. Free memory was 56.2 MB in the beginning and 39.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.58 ms. Allocated memory is still 75.5 MB. Free memory was 39.3 MB in the beginning and 37.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.80 ms. Allocated memory is still 75.5 MB. Free memory was 37.3 MB in the beginning and 36.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 390.77 ms. Allocated memory is still 75.5 MB. Free memory was 36.0 MB in the beginning and 54.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 530.56 ms. Allocated memory is still 75.5 MB. Free memory was 53.9 MB in the beginning and 42.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 37.77 ms. Allocated memory is still 75.5 MB. Free memory was 42.2 MB in the beginning and 40.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 763]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={-2147483648:0}] [L759] return (int *)__VERIFIER_nondet_ulong(); [L762] int *p = h_unsafe(); [L763] COND TRUE \read(*p) VAL [ldv_global_msg_list={-2147483648:0}] [L763] free(p) VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 765]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 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, 5 NumberOfCodeBlocks, 5 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 proved your program to be incorrect! [2021-10-29 05:49:50,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_230b5eb2-169b-49f6-8f74-65db25631958/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...