./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:05:44,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:05:44,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:05:44,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:05:44,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:05:44,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:05:44,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:05:44,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:05:44,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:05:44,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:05:44,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:05:44,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:05:44,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:05:44,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:05:44,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:05:44,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:05:44,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:05:44,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:05:44,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:05:44,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:05:44,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:05:44,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:05:44,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:05:44,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:05:44,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:05:44,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:05:44,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:05:44,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:05:44,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:05:44,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:05:44,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:05:44,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:05:44,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:05:44,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:05:44,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:05:44,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:05:44,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:05:44,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:05:44,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:05:44,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:05:44,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:05:44,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-02 21:05:44,499 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:05:44,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:05:44,500 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:05:44,500 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:05:44,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:05:44,501 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:05:44,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:05:44,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:05:44,503 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:05:44,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:05:44,504 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:05:44,504 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:05:44,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:05:44,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:05:44,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:05:44,505 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-02 21:05:44,505 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-02 21:05:44,505 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-02 21:05:44,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:05:44,506 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 21:05:44,506 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:05:44,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:05:44,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:05:44,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:05:44,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:05:44,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:05:44,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:05:44,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:05:44,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:05:44,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:05:44,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2022-11-02 21:05:44,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:05:44,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:05:44,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:05:44,827 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:05:44,830 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:05:44,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2022-11-02 21:05:44,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/data/7ce9bfdff/64855e3f133b4218abc4c71d3355a8fc/FLAG9a54e3178 [2022-11-02 21:05:45,574 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:05:45,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2022-11-02 21:05:45,596 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/data/7ce9bfdff/64855e3f133b4218abc4c71d3355a8fc/FLAG9a54e3178 [2022-11-02 21:05:45,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/data/7ce9bfdff/64855e3f133b4218abc4c71d3355a8fc [2022-11-02 21:05:45,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:05:45,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:05:45,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:05:45,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:05:45,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:05:45,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:05:45" (1/1) ... [2022-11-02 21:05:45,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ccc11b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:45, skipping insertion in model container [2022-11-02 21:05:45,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:05:45" (1/1) ... [2022-11-02 21:05:45,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:05:45,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:05:46,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:05:46,414 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-02 21:05:46,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@480e668d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:46, skipping insertion in model container [2022-11-02 21:05:46,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:05:46,415 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-02 21:05:46,418 INFO L158 Benchmark]: Toolchain (without parser) took 577.58ms. Allocated memory is still 100.7MB. Free memory was 76.3MB in the beginning and 70.2MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 21:05:46,418 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:05:46,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.22ms. Allocated memory is still 100.7MB. Free memory was 76.3MB in the beginning and 70.2MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 21:05:46,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.22ms. Allocated memory is still 100.7MB. Free memory was 76.3MB in the beginning and 70.2MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types of different sizes 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:05:48,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:05:48,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:05:48,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:05:48,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:05:48,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:05:48,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:05:48,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:05:48,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:05:48,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:05:48,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:05:48,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:05:48,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:05:48,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:05:48,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:05:48,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:05:48,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:05:48,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:05:48,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:05:48,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:05:48,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:05:48,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:05:48,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:05:48,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:05:48,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:05:48,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:05:48,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:05:48,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:05:48,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:05:48,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:05:48,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:05:48,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:05:48,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:05:48,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:05:48,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:05:48,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:05:48,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:05:48,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:05:48,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:05:48,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:05:48,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:05:48,704 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-02 21:05:48,742 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:05:48,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:05:48,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:05:48,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:05:48,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:05:48,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:05:48,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:05:48,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:05:48,747 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:05:48,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:05:48,748 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:05:48,749 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:05:48,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:05:48,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:05:48,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:05:48,750 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-02 21:05:48,750 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-02 21:05:48,750 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-02 21:05:48,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:05:48,751 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 21:05:48,751 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 21:05:48,751 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 21:05:48,751 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:05:48,752 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:05:48,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:05:48,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:05:48,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:05:48,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:05:48,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:05:48,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:05:48,754 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 21:05:48,754 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 21:05:48,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 21:05:48,755 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_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26c43b0aadda992ac661443360ccdcdee8e428835f1c1ebcc9d46e3a7ce26fc5 [2022-11-02 21:05:49,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:05:49,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:05:49,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:05:49,190 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:05:49,194 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:05:49,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2022-11-02 21:05:49,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/data/ba9f13426/dd7b772d983c4cb289743e5f7131cae8/FLAG750d0f5dc [2022-11-02 21:05:49,829 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:05:49,834 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/sv-benchmarks/c/ldv-memsafety/memleaks_test20-1.i [2022-11-02 21:05:49,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/data/ba9f13426/dd7b772d983c4cb289743e5f7131cae8/FLAG750d0f5dc [2022-11-02 21:05:50,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/data/ba9f13426/dd7b772d983c4cb289743e5f7131cae8 [2022-11-02 21:05:50,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:05:50,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:05:50,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:05:50,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:05:50,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:05:50,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:05:50" (1/1) ... [2022-11-02 21:05:50,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a0a652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50, skipping insertion in model container [2022-11-02 21:05:50,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:05:50" (1/1) ... [2022-11-02 21:05:50,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:05:50,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:05:50,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:05:50,696 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-02 21:05:50,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:05:50,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:05:50,805 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:05:50,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:05:50,931 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:05:50,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50 WrapperNode [2022-11-02 21:05:50,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:05:50,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:05:50,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:05:50,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:05:50,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50" (1/1) ... [2022-11-02 21:05:50,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50" (1/1) ... [2022-11-02 21:05:51,010 INFO L138 Inliner]: procedures = 169, calls = 70, calls flagged for inlining = 23, calls inlined = 5, statements flattened = 21 [2022-11-02 21:05:51,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:05:51,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:05:51,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:05:51,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:05:51,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50" (1/1) ... [2022-11-02 21:05:51,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50" (1/1) ... [2022-11-02 21:05:51,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50" (1/1) ... [2022-11-02 21:05:51,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50" (1/1) ... [2022-11-02 21:05:51,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50" (1/1) ... [2022-11-02 21:05:51,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50" (1/1) ... [2022-11-02 21:05:51,047 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50" (1/1) ... [2022-11-02 21:05:51,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50" (1/1) ... [2022-11-02 21:05:51,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:05:51,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:05:51,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:05:51,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:05:51,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50" (1/1) ... [2022-11-02 21:05:51,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:05:51,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:51,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:51,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:05:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:05:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:05:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:05:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:05:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:05:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:05:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:05:51,308 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:05:51,310 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:05:51,445 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:05:51,451 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:05:51,451 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:05:51,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:51 BoogieIcfgContainer [2022-11-02 21:05:51,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:05:51,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:05:51,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:05:51,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:05:51,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:05:50" (1/3) ... [2022-11-02 21:05:51,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f7ec27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:05:51, skipping insertion in model container [2022-11-02 21:05:51,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:50" (2/3) ... [2022-11-02 21:05:51,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f7ec27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:05:51, skipping insertion in model container [2022-11-02 21:05:51,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:51" (3/3) ... [2022-11-02 21:05:51,462 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test20-1.i [2022-11-02 21:05:51,482 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:05:51,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:05:51,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:05:51,545 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f413bc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:05:51,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:05:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:51,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-02 21:05:51,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:51,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:51,573 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-02 21:05:51,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:51,579 INFO L85 PathProgramCache]: Analyzing trace with hash 34762974, now seen corresponding path program 1 times [2022-11-02 21:05:51,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:05:51,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626453215] [2022-11-02 21:05:51,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:51,599 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:05:51,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:05:51,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:05:51,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 21:05:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:05:51,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:51,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:51,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:05:51,880 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:05:51,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626453215] [2022-11-02 21:05:51,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626453215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:51,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:51,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:05:51,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528440103] [2022-11-02 21:05:51,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:51,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:05:51,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:05:51,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:05:51,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:05:51,936 INFO L87 Difference]: Start difference. First operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:51,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:51,991 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2022-11-02 21:05:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:05:51,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-02 21:05:51,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:52,005 INFO L225 Difference]: With dead ends: 27 [2022-11-02 21:05:52,006 INFO L226 Difference]: Without dead ends: 23 [2022-11-02 21:05:52,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:05:52,015 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 7 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:52,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 69 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:05:52,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-02 21:05:52,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2022-11-02 21:05:52,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 21:05:52,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-11-02 21:05:52,059 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 12 [2022-11-02 21:05:52,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:52,060 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-11-02 21:05:52,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:52,061 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-02 21:05:52,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-02 21:05:52,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:52,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:52,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:52,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:05:52,262 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-02 21:05:52,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:52,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1777573309, now seen corresponding path program 1 times [2022-11-02 21:05:52,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:05:52,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417830663] [2022-11-02 21:05:52,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:52,264 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:05:52,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:05:52,266 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:05:52,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 21:05:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:52,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:05:52,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:52,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:05:52,390 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 21:05:52,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417830663] [2022-11-02 21:05:52,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417830663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:52,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:52,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:05:52,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900955699] [2022-11-02 21:05:52,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:52,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:05:52,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 21:05:52,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:05:52,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:05:52,397 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:52,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:52,430 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-11-02 21:05:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 21:05:52,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-02 21:05:52,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:52,435 INFO L225 Difference]: With dead ends: 22 [2022-11-02 21:05:52,435 INFO L226 Difference]: Without dead ends: 14 [2022-11-02 21:05:52,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:05:52,442 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:52,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 38 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:05:52,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-02 21:05:52,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-02 21:05:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:52,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2022-11-02 21:05:52,447 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2022-11-02 21:05:52,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:52,447 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2022-11-02 21:05:52,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:52,447 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2022-11-02 21:05:52,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-02 21:05:52,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:52,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:52,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:52,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:05:52,661 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-02 21:05:52,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:52,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1073836985, now seen corresponding path program 1 times [2022-11-02 21:05:52,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 21:05:52,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518015113] [2022-11-02 21:05:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:52,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 21:05:52,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 21:05:52,672 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 21:05:52,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 21:05:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:52,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:52,834 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-02 21:05:52,834 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 21:05:52,835 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2022-11-02 21:05:52,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:53,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 21:05:53,041 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-02 21:05:53,044 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:05:53,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:05:53 BoogieIcfgContainer [2022-11-02 21:05:53,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:05:53,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:05:53,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:05:53,063 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:05:53,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:51" (3/4) ... [2022-11-02 21:05:53,067 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 21:05:53,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:05:53,067 INFO L158 Benchmark]: Toolchain (without parser) took 2950.57ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.8MB in the beginning and 27.1MB in the end (delta: 10.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-11-02 21:05:53,068 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:05:53,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.33ms. Allocated memory is still 60.8MB. Free memory was 37.7MB in the beginning and 25.6MB in the end (delta: 12.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-02 21:05:53,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.67ms. Allocated memory is still 60.8MB. Free memory was 25.6MB in the beginning and 23.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:05:53,069 INFO L158 Benchmark]: Boogie Preprocessor took 44.14ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 23.4MB in the beginning and 54.9MB in the end (delta: -31.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-11-02 21:05:53,069 INFO L158 Benchmark]: RCFGBuilder took 397.15ms. Allocated memory is still 73.4MB. Free memory was 54.6MB in the beginning and 43.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 21:05:53,070 INFO L158 Benchmark]: TraceAbstraction took 1606.77ms. Allocated memory is still 73.4MB. Free memory was 43.0MB in the beginning and 27.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-11-02 21:05:53,070 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 73.4MB. Free memory is still 27.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:05:53,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.33ms. Allocated memory is still 60.8MB. Free memory was 37.7MB in the beginning and 25.6MB in the end (delta: 12.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.67ms. Allocated memory is still 60.8MB. Free memory was 25.6MB in the beginning and 23.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.14ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 23.4MB in the beginning and 54.9MB in the end (delta: -31.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * RCFGBuilder took 397.15ms. Allocated memory is still 73.4MB. Free memory was 54.6MB in the beginning and 43.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1606.77ms. Allocated memory is still 73.4MB. Free memory was 43.0MB in the beginning and 27.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 73.4MB. Free memory is still 27.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 781]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 781. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L761] struct ldv_device *saved_device_20; VAL [ldv_global_msg_list={1:0}, saved_device_20={0:0}] [L782] CALL entry_point() [L778] CALL alloc_20() [L772] CALL, EXPR ldv_malloc(sizeof(struct A20)) VAL [\old(size)=16, ldv_global_msg_list={1:0}, saved_device_20={0:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L772] RET, EXPR ldv_malloc(sizeof(struct A20)) VAL [ldv_global_msg_list={1:0}, ldv_malloc(sizeof(struct A20))={2:0}, saved_device_20={0:0}] [L772] struct A20 *p = (struct A20*)ldv_malloc(sizeof(struct A20)); [L773] COND TRUE \read(*p) [L774] CALL ldv_register_device(&p->dev) [L763] saved_device_20 = dev VAL [dev={2:4}, dev={2:4}, ldv_global_msg_list={1:0}, saved_device_20={2:4}] [L774] RET ldv_register_device(&p->dev) [L778] RET alloc_20() [L779] saved_device_20 = 0 VAL [ldv_global_msg_list={1:0}, saved_device_20={0:0}] [L782] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 107 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 38 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=1, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 82 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 21:05:53,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3523aa9-fe4d-4940-b5da-45321920a7bc/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample