./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G --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 a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:36:23,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:36:23,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:36:23,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:36:23,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:36:23,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:36:23,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:36:23,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:36:23,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:36:23,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:36:23,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:36:23,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:36:23,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:36:23,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:36:23,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:36:23,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:36:23,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:36:23,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:36:23,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:36:23,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:36:23,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:36:23,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:36:23,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:36:23,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:36:23,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:36:23,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:36:23,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:36:23,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:36:23,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:36:23,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:36:23,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:36:23,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:36:23,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:36:23,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:36:23,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:36:23,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:36:23,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:36:23,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:36:23,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:36:23,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:36:23,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:36:23,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-23 13:36:23,612 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:36:23,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:36:23,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:36:23,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:36:23,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:36:23,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:36:23,625 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:36:23,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:36:23,626 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:36:23,626 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:36:23,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:36:23,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:36:23,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:36:23,628 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 13:36:23,628 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 13:36:23,629 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 13:36:23,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:36:23,629 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 13:36:23,630 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:36:23,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:36:23,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:36:23,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:36:23,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:36:23,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:36:23,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:36:23,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:36:23,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:36:23,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:36:23,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:36:23,642 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_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2021-11-23 13:36:23,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:36:23,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:36:23,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:36:23,985 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:36:23,987 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:36:23,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-11-23 13:36:24,071 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/data/70fb679d5/e4637adc1ebe41029e2ae1c9f665e39b/FLAG89dfe89db [2021-11-23 13:36:24,764 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:36:24,765 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-11-23 13:36:24,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/data/70fb679d5/e4637adc1ebe41029e2ae1c9f665e39b/FLAG89dfe89db [2021-11-23 13:36:24,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/data/70fb679d5/e4637adc1ebe41029e2ae1c9f665e39b [2021-11-23 13:36:24,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:36:24,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:36:24,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:36:24,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:36:24,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:36:24,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:24" (1/1) ... [2021-11-23 13:36:24,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52042e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:24, skipping insertion in model container [2021-11-23 13:36:24,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:24" (1/1) ... [2021-11-23 13:36:24,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:36:25,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:36:25,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:36:25,581 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-23 13:36:25,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c4f6353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:25, skipping insertion in model container [2021-11-23 13:36:25,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:36:25,583 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 13:36:25,586 INFO L158 Benchmark]: Toolchain (without parser) took 616.73ms. Allocated memory is still 90.2MB. Free memory was 58.5MB in the beginning and 45.3MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 13:36:25,588 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory was 45.3MB in the beginning and 45.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:36:25,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.49ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 45.3MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 13:36:25,593 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory was 45.3MB in the beginning and 45.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 609.49ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 45.3MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. 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 where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G --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 a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:36:28,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:36:28,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:36:28,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:36:28,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:36:28,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:36:28,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:36:28,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:36:28,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:36:28,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:36:28,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:36:28,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:36:28,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:36:28,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:36:28,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:36:28,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:36:28,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:36:28,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:36:28,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:36:28,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:36:28,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:36:28,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:36:28,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:36:28,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:36:28,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:36:28,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:36:28,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:36:28,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:36:28,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:36:28,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:36:28,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:36:28,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:36:28,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:36:28,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:36:28,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:36:28,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:36:28,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:36:28,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:36:28,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:36:28,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:36:28,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:36:28,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-23 13:36:28,327 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:36:28,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:36:28,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:36:28,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:36:28,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:36:28,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:36:28,331 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:36:28,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:36:28,332 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:36:28,332 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:36:28,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:36:28,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:36:28,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:36:28,334 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 13:36:28,334 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 13:36:28,335 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 13:36:28,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:36:28,335 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 13:36:28,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 13:36:28,335 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 13:36:28,336 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:36:28,336 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:36:28,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:36:28,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:36:28,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:36:28,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:36:28,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:36:28,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:36:28,338 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-23 13:36:28,339 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 13:36:28,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:36:28,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 13:36:28,339 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_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0e9b5e5974624d339c473c60bd24fb1680015e54b9e482095b70f536f7e1e76 [2021-11-23 13:36:28,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:36:28,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:36:28,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:36:28,801 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:36:28,801 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:36:28,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-11-23 13:36:28,890 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/data/428745b81/251d7d40d99841aab2e1a393306bec5f/FLAG5fd8377e8 [2021-11-23 13:36:29,508 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:36:29,511 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/sv-benchmarks/c/ldv-memsafety/memleaks_test21-1.i [2021-11-23 13:36:29,536 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/data/428745b81/251d7d40d99841aab2e1a393306bec5f/FLAG5fd8377e8 [2021-11-23 13:36:29,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/data/428745b81/251d7d40d99841aab2e1a393306bec5f [2021-11-23 13:36:29,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:36:29,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:36:29,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:36:29,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:36:29,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:36:29,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:29" (1/1) ... [2021-11-23 13:36:29,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40229159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:29, skipping insertion in model container [2021-11-23 13:36:29,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:29" (1/1) ... [2021-11-23 13:36:29,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:36:29,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:36:30,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:36:30,457 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 13:36:30,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:36:30,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:36:30,515 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:36:30,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:36:30,628 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:36:30,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:30 WrapperNode [2021-11-23 13:36:30,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:36:30,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:36:30,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:36:30,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:36:30,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:30" (1/1) ... [2021-11-23 13:36:30,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:30" (1/1) ... [2021-11-23 13:36:30,691 INFO L137 Inliner]: procedures = 166, calls = 69, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 32 [2021-11-23 13:36:30,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:36:30,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:36:30,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:36:30,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:36:30,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:30" (1/1) ... [2021-11-23 13:36:30,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:30" (1/1) ... [2021-11-23 13:36:30,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:30" (1/1) ... [2021-11-23 13:36:30,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:30" (1/1) ... [2021-11-23 13:36:30,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:30" (1/1) ... [2021-11-23 13:36:30,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:30" (1/1) ... [2021-11-23 13:36:30,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:30" (1/1) ... [2021-11-23 13:36:30,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:36:30,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:36:30,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:36:30,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:36:30,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:30" (1/1) ... [2021-11-23 13:36:30,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:36:30,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:36:30,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:36:30,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:36:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 13:36:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:36:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 13:36:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:36:30,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:36:30,989 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:36:30,991 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:36:31,108 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:36:31,113 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:36:31,114 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 13:36:31,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:31 BoogieIcfgContainer [2021-11-23 13:36:31,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:36:31,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:36:31,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:36:31,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:36:31,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:36:29" (1/3) ... [2021-11-23 13:36:31,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2586a4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:36:31, skipping insertion in model container [2021-11-23 13:36:31,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:30" (2/3) ... [2021-11-23 13:36:31,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2586a4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:36:31, skipping insertion in model container [2021-11-23 13:36:31,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:31" (3/3) ... [2021-11-23 13:36:31,126 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test21-1.i [2021-11-23 13:36:31,131 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:36:31,132 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 13:36:31,183 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:36:31,190 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 13:36:31,191 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 13:36:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:36:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 13:36:31,212 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:36:31,212 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:36:31,213 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-11-23 13:36:31,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:36:31,220 INFO L85 PathProgramCache]: Analyzing trace with hash 119383789, now seen corresponding path program 1 times [2021-11-23 13:36:31,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-23 13:36:31,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165818381] [2021-11-23 13:36:31,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:36:31,235 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 13:36:31,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/mathsat [2021-11-23 13:36:31,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 13:36:31,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 13:36:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:36:31,358 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:36:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:36:31,455 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-23 13:36:31,457 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 13:36:31,458 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2021-11-23 13:36:31,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:36:31,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/mathsat -unsat_core_generation=3 [2021-11-23 13:36:31,677 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-23 13:36:31,681 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:36:31,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:36:31 BoogieIcfgContainer [2021-11-23 13:36:31,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:36:31,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:36:31,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:36:31,704 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:36:31,705 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:31" (3/4) ... [2021-11-23 13:36:31,709 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:36:31,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:36:31,711 INFO L158 Benchmark]: Toolchain (without parser) took 1954.93ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 51.1MB in the beginning and 67.3MB in the end (delta: -16.2MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-11-23 13:36:31,712 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 71.3MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:36:31,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 870.09ms. Allocated memory is still 71.3MB. Free memory was 50.8MB in the beginning and 36.3MB in the end (delta: 14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 13:36:31,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.53ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 34.0MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:36:31,714 INFO L158 Benchmark]: Boogie Preprocessor took 46.19ms. Allocated memory is still 71.3MB. Free memory was 34.0MB in the beginning and 32.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:36:31,715 INFO L158 Benchmark]: RCFGBuilder took 376.87ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 32.7MB in the beginning and 80.8MB in the end (delta: -48.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-23 13:36:31,716 INFO L158 Benchmark]: TraceAbstraction took 584.35ms. Allocated memory is still 107.0MB. Free memory was 80.4MB in the beginning and 67.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 13:36:31,717 INFO L158 Benchmark]: Witness Printer took 5.62ms. Allocated memory is still 107.0MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:36:31,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 71.3MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 870.09ms. Allocated memory is still 71.3MB. Free memory was 50.8MB in the beginning and 36.3MB in the end (delta: 14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.53ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 34.0MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.19ms. Allocated memory is still 71.3MB. Free memory was 34.0MB in the beginning and 32.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 376.87ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 32.7MB in the beginning and 80.8MB in the end (delta: -48.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * TraceAbstraction took 584.35ms. Allocated memory is still 107.0MB. Free memory was 80.4MB in the beginning and 67.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.62ms. Allocated memory is still 107.0MB. Free memory is still 67.8MB. 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: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. 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}] [L773] CALL entry_point() [L770] CALL, EXPR alloc_21() [L762] CALL, EXPR ldv_malloc(sizeof(struct A21)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A21)) [L762] struct A21 *p = (struct A21*)ldv_malloc(sizeof(struct A21)); [L763] COND TRUE \read(*p) [L764] return &p->dev; VAL [\result={2:4}, ldv_global_msg_list={1:0}, p={2:0}] [L770] RET, EXPR alloc_21() [L770] struct ldv_device *dev = alloc_21(); [L773] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 13:36:31,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c307704-2cc0-4d3a-a461-28deb6b89718/bin/uautomizer-wIGwrQj20G/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