./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8 --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 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 --- 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-e04fb08 [2022-11-16 12:32:45,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:32:45,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:32:45,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:32:45,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:32:45,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:32:45,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:32:45,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:32:45,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:32:45,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:32:45,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:32:45,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:32:45,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:32:45,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:32:45,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:32:45,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:32:45,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:32:45,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:32:45,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:32:45,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:32:45,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:32:45,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:32:45,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:32:45,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:32:45,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:32:45,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:32:45,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:32:45,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:32:45,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:32:45,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:32:45,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:32:45,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:32:45,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:32:45,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:32:45,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:32:45,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:32:45,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:32:45,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:32:45,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:32:45,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:32:45,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:32:45,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-16 12:32:45,641 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:32:45,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:32:45,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:32:45,642 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:32:45,642 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:32:45,643 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:32:45,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:32:45,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:32:45,644 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:32:45,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:32:45,644 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:32:45,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:32:45,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:32:45,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:32:45,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:32:45,645 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 12:32:45,645 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 12:32:45,645 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 12:32:45,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:32:45,646 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:32:45,646 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:32:45,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:32:45,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:32:45,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:32:45,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:32:45,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:32:45,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:32:45,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:32:45,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:32:45,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:32:45,649 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_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 [2022-11-16 12:32:45,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:32:45,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:32:45,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:32:45,936 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:32:45,937 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:32:45,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2022-11-16 12:32:46,021 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/data/2e25ea976/a763bbf634ee459c84add7a3b6705cd5/FLAG480e99edb [2022-11-16 12:32:46,522 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:32:46,522 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2022-11-16 12:32:46,536 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/data/2e25ea976/a763bbf634ee459c84add7a3b6705cd5/FLAG480e99edb [2022-11-16 12:32:46,820 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/data/2e25ea976/a763bbf634ee459c84add7a3b6705cd5 [2022-11-16 12:32:46,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:32:46,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:32:46,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:32:46,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:32:46,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:32:46,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:32:46" (1/1) ... [2022-11-16 12:32:46,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42b5c8d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:46, skipping insertion in model container [2022-11-16 12:32:46,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:32:46" (1/1) ... [2022-11-16 12:32:46,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:32:46,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:32:47,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:32:47,330 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) [2022-11-16 12:32:47,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69635a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:47, skipping insertion in model container [2022-11-16 12:32:47,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:32:47,332 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 12:32:47,335 INFO L158 Benchmark]: Toolchain (without parser) took 508.90ms. Allocated memory is still 178.3MB. Free memory was 144.2MB in the beginning and 150.6MB in the end (delta: -6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:32:47,336 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory was 64.1MB in the beginning and 64.1MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:32:47,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.74ms. Allocated memory is still 178.3MB. Free memory was 144.0MB in the beginning and 150.6MB in the end (delta: -6.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:32:47,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory was 64.1MB in the beginning and 64.1MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.74ms. Allocated memory is still 178.3MB. Free memory was 144.0MB in the beginning and 150.6MB in the end (delta: -6.6MB). Peak memory consumption was 10.5MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8 --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 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 --- 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-e04fb08 [2022-11-16 12:32:49,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:32:49,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:32:49,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:32:49,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:32:49,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:32:49,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:32:49,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:32:49,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:32:49,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:32:49,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:32:49,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:32:49,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:32:49,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:32:49,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:32:49,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:32:49,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:32:49,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:32:49,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:32:49,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:32:49,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:32:49,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:32:49,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:32:49,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:32:49,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:32:49,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:32:49,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:32:49,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:32:49,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:32:49,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:32:49,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:32:49,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:32:49,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:32:49,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:32:49,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:32:49,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:32:49,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:32:49,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:32:49,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:32:49,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:32:49,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:32:49,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-16 12:32:49,591 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:32:49,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:32:49,592 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:32:49,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:32:49,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:32:49,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:32:49,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:32:49,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:32:49,596 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:32:49,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:32:49,598 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:32:49,598 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:32:49,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:32:49,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:32:49,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:32:49,599 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 12:32:49,599 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 12:32:49,600 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 12:32:49,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:32:49,600 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:32:49,601 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:32:49,601 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:32:49,601 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:32:49,601 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:32:49,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:32:49,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:32:49,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:32:49,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:32:49,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:32:49,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:32:49,604 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:32:49,604 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:32:49,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:32:49,605 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_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed1b4c32fb34a3b94710a14cca3ab0a8326ba7fa7dcd01a325fa2ad8637f2b6 [2022-11-16 12:32:50,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:32:50,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:32:50,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:32:50,100 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:32:50,103 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:32:50,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2022-11-16 12:32:50,171 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/data/739dcec48/993b24ae16aa4d4c93f5e9a8d88b77c9/FLAG691d81f23 [2022-11-16 12:32:50,711 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:32:50,712 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2022-11-16 12:32:50,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/data/739dcec48/993b24ae16aa4d4c93f5e9a8d88b77c9/FLAG691d81f23 [2022-11-16 12:32:51,015 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/data/739dcec48/993b24ae16aa4d4c93f5e9a8d88b77c9 [2022-11-16 12:32:51,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:32:51,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:32:51,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:32:51,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:32:51,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:32:51,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:32:51" (1/1) ... [2022-11-16 12:32:51,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e60b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51, skipping insertion in model container [2022-11-16 12:32:51,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:32:51" (1/1) ... [2022-11-16 12:32:51,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:32:51,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:32:51,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:32:51,575 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-16 12:32:51,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:32:51,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:32:51,687 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:32:51,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:32:51,801 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:32:51,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51 WrapperNode [2022-11-16 12:32:51,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:32:51,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:32:51,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:32:51,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:32:51,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51" (1/1) ... [2022-11-16 12:32:51,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51" (1/1) ... [2022-11-16 12:32:51,868 INFO L138 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 23, calls inlined = 5, statements flattened = 26 [2022-11-16 12:32:51,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:32:51,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:32:51,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:32:51,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:32:51,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51" (1/1) ... [2022-11-16 12:32:51,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51" (1/1) ... [2022-11-16 12:32:51,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51" (1/1) ... [2022-11-16 12:32:51,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51" (1/1) ... [2022-11-16 12:32:51,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51" (1/1) ... [2022-11-16 12:32:51,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51" (1/1) ... [2022-11-16 12:32:51,890 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51" (1/1) ... [2022-11-16 12:32:51,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51" (1/1) ... [2022-11-16 12:32:51,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:32:51,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:32:51,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:32:51,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:32:51,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51" (1/1) ... [2022-11-16 12:32:51,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:32:51,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:32:51,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:32:51,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:32:51,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:32:51,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:32:51,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:32:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:32:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:32:52,150 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:32:52,152 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:32:52,343 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:32:52,350 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:32:52,354 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:32:52,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:32:52 BoogieIcfgContainer [2022-11-16 12:32:52,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:32:52,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:32:52,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:32:52,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:32:52,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:32:51" (1/3) ... [2022-11-16 12:32:52,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3496f878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:32:52, skipping insertion in model container [2022-11-16 12:32:52,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:51" (2/3) ... [2022-11-16 12:32:52,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3496f878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:32:52, skipping insertion in model container [2022-11-16 12:32:52,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:32:52" (3/3) ... [2022-11-16 12:32:52,381 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2.i [2022-11-16 12:32:52,403 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:32:52,404 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-16 12:32:52,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:32:52,458 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;@18437f8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:32:52,459 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-16 12:32:52,463 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 15 states have (on average 1.4) internal successors, (21), 19 states have internal predecessors, (21), 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) [2022-11-16 12:32:52,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 12:32:52,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:32:52,471 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:32:52,472 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2022-11-16 12:32:52,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:32:52,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1492643359, now seen corresponding path program 1 times [2022-11-16 12:32:52,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:32:52,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091153213] [2022-11-16 12:32:52,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:52,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:32:52,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:32:52,498 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:32:52,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 12:32:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:52,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:32:52,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:32:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:32:52,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:32:52,702 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:32:52,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091153213] [2022-11-16 12:32:52,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1091153213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:32:52,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:32:52,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:32:52,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241341057] [2022-11-16 12:32:52,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:32:52,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:32:52,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:32:52,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:32:52,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:32:52,741 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.4) internal successors, (21), 19 states have internal predecessors, (21), 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 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-16 12:32:52,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:32:52,778 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 12:32:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:32:52,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 11 [2022-11-16 12:32:52,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:32:52,787 INFO L225 Difference]: With dead ends: 16 [2022-11-16 12:32:52,788 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 12:32:52,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:32:52,795 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:32:52,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:32:52,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 12:32:52,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-16 12:32:52,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2022-11-16 12:32:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-16 12:32:52,826 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2022-11-16 12:32:52,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:32:52,826 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-11-16 12:32:52,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-16 12:32:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-11-16 12:32:52,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 12:32:52,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:32:52,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:32:52,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:32:53,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:32:53,040 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 1 more)] === [2022-11-16 12:32:53,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:32:53,040 INFO L85 PathProgramCache]: Analyzing trace with hash -88561022, now seen corresponding path program 1 times [2022-11-16 12:32:53,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:32:53,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1013826439] [2022-11-16 12:32:53,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:53,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:32:53,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:32:53,043 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:32:53,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 12:32:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:53,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:32:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:53,164 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-16 12:32:53,164 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:32:53,166 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2022-11-16 12:32:53,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE (2 of 4 remaining) [2022-11-16 12:32:53,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE (1 of 4 remaining) [2022-11-16 12:32:53,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (0 of 4 remaining) [2022-11-16 12:32:53,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:32:53,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:32:53,372 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 12:32:53,375 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:32:53,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:32:53 BoogieIcfgContainer [2022-11-16 12:32:53,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:32:53,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:32:53,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:32:53,409 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:32:53,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:32:52" (3/4) ... [2022-11-16 12:32:53,413 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:32:53,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:32:53,414 INFO L158 Benchmark]: Toolchain (without parser) took 2395.75ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 65.4MB in the beginning and 90.2MB in the end (delta: -24.8MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-11-16 12:32:53,415 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 81.8MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:32:53,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 782.56ms. Allocated memory is still 81.8MB. Free memory was 65.4MB in the beginning and 48.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:32:53,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.66ms. Allocated memory is still 81.8MB. Free memory was 48.1MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:32:53,417 INFO L158 Benchmark]: Boogie Preprocessor took 24.45ms. Allocated memory is still 81.8MB. Free memory was 45.7MB in the beginning and 44.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:32:53,417 INFO L158 Benchmark]: RCFGBuilder took 446.93ms. Allocated memory is still 81.8MB. Free memory was 44.3MB in the beginning and 32.3MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:32:53,418 INFO L158 Benchmark]: TraceAbstraction took 1035.03ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 63.4MB in the beginning and 90.2MB in the end (delta: -26.8MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2022-11-16 12:32:53,418 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 109.1MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:32:53,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 81.8MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 782.56ms. Allocated memory is still 81.8MB. Free memory was 65.4MB in the beginning and 48.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.66ms. Allocated memory is still 81.8MB. Free memory was 48.1MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.45ms. Allocated memory is still 81.8MB. Free memory was 45.7MB in the beginning and 44.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.93ms. Allocated memory is still 81.8MB. Free memory was 44.3MB in the beginning and 32.3MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1035.03ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 63.4MB in the beginning and 90.2MB in the end (delta: -26.8MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 109.1MB. Free memory is still 90.2MB. 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: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={1:0}] [L771] CALL entry_point() [L767] CALL, EXPR f5() [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] return 0; VAL [\result={0:0}, ldv_global_msg_list={1:0}, p={2:0}] [L767] RET, EXPR f5() [L767] int *p = f5(); [L768] CALL g5(p) [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={1:0}, p={0:0}, p={0:0}] [L768] RET g5(p) [L771] RET entry_point() - 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: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 6 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 12:32:53,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe3e69c9-d479-460a-b647-87f5d76d08e0/bin/uautomizer-tPACEb0tL8/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