./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt --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 ea1fbe157ea6ed0e661f632bb00aba6515b6f780 ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt --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 ea1fbe157ea6ed0e661f632bb00aba6515b6f780 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:58:14,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:58:14,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:58:14,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:58:14,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:58:14,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:58:14,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:58:14,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:58:14,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:58:14,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:58:14,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:58:14,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:58:14,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:58:14,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:58:14,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:58:14,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:58:14,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:58:14,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:58:14,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:58:14,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:58:14,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:58:14,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:58:14,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:58:14,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:58:14,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:58:14,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:58:14,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:58:14,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:58:14,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:58:14,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:58:14,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:58:14,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:58:14,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:58:14,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:58:14,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:58:14,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:58:14,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:58:14,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:58:14,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:58:14,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:58:14,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:58:14,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-13 00:58:14,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:58:14,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:58:14,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:58:14,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:58:14,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:58:14,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:58:14,372 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:58:14,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:58:14,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:58:14,373 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:58:14,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:58:14,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:58:14,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:58:14,376 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:58:14,376 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:58:14,376 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:58:14,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:58:14,376 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:58:14,377 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:58:14,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:58:14,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:58:14,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:58:14,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:58:14,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:58:14,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:58:14,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:58:14,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:58:14,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:58:14,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:58:14,381 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_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2021-10-13 00:58:14,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:58:14,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:58:14,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:58:14,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:58:14,731 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:58:14,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-13 00:58:14,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/data/1e63e50a7/3aa2913acac94e25bde7a884ef23dbd1/FLAGfc84dbbb7 [2021-10-13 00:58:15,364 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:58:15,365 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-13 00:58:15,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/data/1e63e50a7/3aa2913acac94e25bde7a884ef23dbd1/FLAGfc84dbbb7 [2021-10-13 00:58:15,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/data/1e63e50a7/3aa2913acac94e25bde7a884ef23dbd1 [2021-10-13 00:58:15,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:58:15,673 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:58:15,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:58:15,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:58:15,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:58:15,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:58:15" (1/1) ... [2021-10-13 00:58:15,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699e7594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:15, skipping insertion in model container [2021-10-13 00:58:15,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:58:15" (1/1) ... [2021-10-13 00:58:15,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:58:15,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:58:16,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:58:16,268 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 00:58:16,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32f5ec4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:16, skipping insertion in model container [2021-10-13 00:58:16,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:58:16,272 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 00:58:16,275 INFO L168 Benchmark]: Toolchain (without parser) took 600.85 ms. Allocated memory is still 92.3 MB. Free memory was 51.3 MB in the beginning and 64.6 MB in the end (delta: -13.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:16,283 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 69.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:58:16,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.05 ms. Allocated memory is still 92.3 MB. Free memory was 51.0 MB in the beginning and 64.6 MB in the end (delta: -13.5 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:16,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 69.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 598.05 ms. Allocated memory is still 92.3 MB. Free memory was 51.0 MB in the beginning and 64.6 MB in the end (delta: -13.5 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:58:18,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:58:18,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:58:18,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:58:18,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:58:18,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:58:18,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:58:18,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:58:18,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:58:18,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:58:18,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:58:18,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:58:18,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:58:18,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:58:18,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:58:18,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:58:18,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:58:18,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:58:18,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:58:18,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:58:18,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:58:18,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:58:18,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:58:18,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:58:18,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:58:18,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:58:18,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:58:18,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:58:18,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:58:18,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:58:18,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:58:18,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:58:18,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:58:18,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:58:18,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:58:18,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:58:18,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:58:18,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:58:18,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:58:18,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:58:18,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:58:18,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-13 00:58:18,957 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:58:18,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:58:18,959 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:58:18,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:58:18,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:58:18,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:58:18,962 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:58:18,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:58:18,963 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:58:18,963 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:58:18,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:58:18,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:58:18,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:58:18,965 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:58:18,966 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:58:18,966 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:58:18,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:58:18,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:58:18,967 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:58:18,967 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:58:18,967 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:58:18,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:58:18,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:58:18,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:58:18,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:58:18,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:58:18,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:58:18,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:58:18,970 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:58:18,970 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:58:18,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:58:18,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:58:18,971 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_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2021-10-13 00:58:19,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:58:19,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:58:19,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:58:19,384 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:58:19,384 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:58:19,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-13 00:58:19,473 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/data/1904023ae/5002a510274c4386bc0a22d3e3869dc1/FLAG66185a81c [2021-10-13 00:58:20,252 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:58:20,253 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-10-13 00:58:20,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/data/1904023ae/5002a510274c4386bc0a22d3e3869dc1/FLAG66185a81c [2021-10-13 00:58:20,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/data/1904023ae/5002a510274c4386bc0a22d3e3869dc1 [2021-10-13 00:58:20,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:58:20,489 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:58:20,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:58:20,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:58:20,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:58:20,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:58:20" (1/1) ... [2021-10-13 00:58:20,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3072feab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:20, skipping insertion in model container [2021-10-13 00:58:20,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:58:20" (1/1) ... [2021-10-13 00:58:20,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:58:20,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:58:21,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:58:21,089 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 00:58:21,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:58:21,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:58:21,199 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:58:21,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:58:21,346 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:58:21,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:21 WrapperNode [2021-10-13 00:58:21,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:58:21,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:58:21,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:58:21,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:58:21,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:21" (1/1) ... [2021-10-13 00:58:21,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:21" (1/1) ... [2021-10-13 00:58:21,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:21" (1/1) ... [2021-10-13 00:58:21,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:21" (1/1) ... [2021-10-13 00:58:21,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:21" (1/1) ... [2021-10-13 00:58:21,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:21" (1/1) ... [2021-10-13 00:58:21,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:21" (1/1) ... [2021-10-13 00:58:21,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:58:21,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:58:21,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:58:21,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:58:21,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:21" (1/1) ... [2021-10-13 00:58:21,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:58:21,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:21,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:21,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:58:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-13 00:58:21,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:58:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 00:58:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 00:58:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-13 00:58:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-13 00:58:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-13 00:58:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-13 00:58:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-13 00:58:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-13 00:58:21,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-13 00:58:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-13 00:58:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-13 00:58:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-13 00:58:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-13 00:58:21,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-13 00:58:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-13 00:58:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-13 00:58:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-13 00:58:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-13 00:58:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-13 00:58:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-13 00:58:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-13 00:58:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-13 00:58:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-13 00:58:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-13 00:58:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-13 00:58:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-13 00:58:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-13 00:58:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-13 00:58:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-13 00:58:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-13 00:58:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-13 00:58:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-13 00:58:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-13 00:58:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-13 00:58:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-13 00:58:21,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-13 00:58:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-13 00:58:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-13 00:58:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-13 00:58:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-13 00:58:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2021-10-13 00:58:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-13 00:58:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-13 00:58:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-13 00:58:21,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-13 00:58:21,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-13 00:58:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-13 00:58:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-13 00:58:21,588 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-13 00:58:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-13 00:58:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-13 00:58:21,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-13 00:58:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-13 00:58:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-13 00:58:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-13 00:58:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-13 00:58:21,590 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-13 00:58:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-13 00:58:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-13 00:58:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-13 00:58:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-13 00:58:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-13 00:58:21,591 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-13 00:58:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-13 00:58:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-13 00:58:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-13 00:58:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-13 00:58:21,592 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-13 00:58:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-13 00:58:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-13 00:58:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-13 00:58:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-13 00:58:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-13 00:58:21,593 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-13 00:58:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-13 00:58:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-13 00:58:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-13 00:58:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-13 00:58:21,594 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-13 00:58:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-13 00:58:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-13 00:58:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-13 00:58:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-13 00:58:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-13 00:58:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-13 00:58:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-13 00:58:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-13 00:58:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-13 00:58:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-13 00:58:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-13 00:58:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-13 00:58:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-13 00:58:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-13 00:58:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-13 00:58:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-13 00:58:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-13 00:58:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-13 00:58:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-13 00:58:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-13 00:58:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-13 00:58:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-13 00:58:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-13 00:58:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-13 00:58:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-13 00:58:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-13 00:58:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-13 00:58:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-13 00:58:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-13 00:58:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-13 00:58:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-13 00:58:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-13 00:58:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-13 00:58:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-13 00:58:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-13 00:58:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-13 00:58:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-13 00:58:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-13 00:58:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-13 00:58:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-13 00:58:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-13 00:58:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-13 00:58:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-13 00:58:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-13 00:58:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-13 00:58:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-13 00:58:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-13 00:58:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-13 00:58:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-13 00:58:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-13 00:58:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-13 00:58:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-13 00:58:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-13 00:58:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-13 00:58:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-13 00:58:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-13 00:58:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-13 00:58:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-13 00:58:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-13 00:58:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-13 00:58:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-13 00:58:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-13 00:58:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-13 00:58:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-13 00:58:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-13 00:58:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-13 00:58:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-13 00:58:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-13 00:58:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-13 00:58:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-13 00:58:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-13 00:58:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-13 00:58:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-13 00:58:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-13 00:58:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-13 00:58:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-13 00:58:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-13 00:58:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-13 00:58:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-13 00:58:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-13 00:58:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-13 00:58:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:58:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-13 00:58:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-13 00:58:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-13 00:58:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 00:58:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-13 00:58:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-13 00:58:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-13 00:58:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 00:58:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-13 00:58:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-13 00:58:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-13 00:58:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-13 00:58:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-13 00:58:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-13 00:58:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:58:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-13 00:58:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-13 00:58:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-13 00:58:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-13 00:58:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-13 00:58:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:58:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:58:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-13 00:58:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-13 00:58:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 00:58:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-13 00:58:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-13 00:58:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-13 00:58:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-13 00:58:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-13 00:58:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-13 00:58:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-13 00:58:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-13 00:58:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-13 00:58:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-13 00:58:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-13 00:58:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-13 00:58:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-13 00:58:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-13 00:58:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2021-10-13 00:58:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-13 00:58:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-13 00:58:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-13 00:58:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:58:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 00:58:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:58:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 00:58:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-13 00:58:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-13 00:58:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 00:58:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-13 00:58:22,332 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:58:22,789 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:58:23,051 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:58:23,052 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-13 00:58:23,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:23 BoogieIcfgContainer [2021-10-13 00:58:23,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:58:23,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:58:23,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:58:23,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:58:23,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:58:20" (1/3) ... [2021-10-13 00:58:23,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b44018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:58:23, skipping insertion in model container [2021-10-13 00:58:23,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:21" (2/3) ... [2021-10-13 00:58:23,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b44018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:58:23, skipping insertion in model container [2021-10-13 00:58:23,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:23" (3/3) ... [2021-10-13 00:58:23,064 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2021-10-13 00:58:23,071 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:58:23,071 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2021-10-13 00:58:23,132 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:58:23,140 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:58:23,140 INFO L340 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2021-10-13 00:58:23,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 54 states have (on average 1.462962962962963) internal successors, (79), 72 states have internal predecessors, (79), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-10-13 00:58:23,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:58:23,187 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:58:23,187 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:58:23,188 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 00:58:23,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:23,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1104597720, now seen corresponding path program 1 times [2021-10-13 00:58:23,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:58:23,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1872350667] [2021-10-13 00:58:23,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:23,234 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:58:23,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:58:23,238 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:58:23,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:58:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:23,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:58:23,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:58:23,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:23,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:58:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:23,779 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:58:23,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1872350667] [2021-10-13 00:58:23,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1872350667] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:58:23,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:58:23,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 00:58:23,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500366839] [2021-10-13 00:58:23,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:58:23,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:58:23,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:58:23,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:58:23,819 INFO L87 Difference]: Start difference. First operand has 96 states, 54 states have (on average 1.462962962962963) internal successors, (79), 72 states have internal predecessors, (79), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-13 00:58:23,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:58:23,880 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2021-10-13 00:58:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:58:23,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-10-13 00:58:23,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:58:23,891 INFO L225 Difference]: With dead ends: 35 [2021-10-13 00:58:23,892 INFO L226 Difference]: Without dead ends: 23 [2021-10-13 00:58:23,893 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:58:23,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-10-13 00:58:23,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-10-13 00:58:23,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-13 00:58:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2021-10-13 00:58:23,930 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 16 [2021-10-13 00:58:23,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:58:23,931 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2021-10-13 00:58:23,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-13 00:58:23,932 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2021-10-13 00:58:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 00:58:23,934 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:58:23,934 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:58:23,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:58:24,149 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 00:58:24,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:24,152 INFO L82 PathProgramCache]: Analyzing trace with hash -295878751, now seen corresponding path program 1 times [2021-10-13 00:58:24,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:58:24,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660960290] [2021-10-13 00:58:24,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:24,156 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:58:24,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:58:24,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:58:24,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 00:58:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:24,341 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:24,411 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-13 00:58:24,412 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:58:24,414 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-13 00:58:24,416 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,417 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,417 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,418 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,418 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,418 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,419 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-13 00:58:24,423 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-13 00:58:24,423 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,424 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,424 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-13 00:58:24,424 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-13 00:58:24,424 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,425 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,425 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-13 00:58:24,425 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-13 00:58:24,425 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-13 00:58:24,426 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-13 00:58:24,426 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-13 00:58:24,426 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-13 00:58:24,426 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,427 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,427 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,427 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,427 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 00:58:24,428 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 00:58:24,428 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,428 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,428 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-13 00:58:24,429 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-13 00:58:24,429 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,429 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,429 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,430 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,430 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-13 00:58:24,430 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-13 00:58:24,430 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-13 00:58:24,431 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-13 00:58:24,431 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,431 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,432 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,432 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,433 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:58:24,433 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:58:24,433 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:58:24,433 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:58:24,434 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:58:24,434 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:58:24,434 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,434 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,435 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-13 00:58:24,435 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-13 00:58:24,435 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-13 00:58:24,435 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-13 00:58:24,436 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,436 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,436 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:58:24,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:58:24,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:58:24,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:58:24,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:58:24,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:58:24,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,439 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,439 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 00:58:24,439 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 00:58:24,439 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-13 00:58:24,440 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-13 00:58:24,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:58:24,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:58:24,656 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:58:24,670 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-13 00:58:24,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:58:24 BoogieIcfgContainer [2021-10-13 00:58:24,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:58:24,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:58:24,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:58:24,692 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:58:24,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:23" (3/4) ... [2021-10-13 00:58:24,696 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:58:24,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:58:24,701 INFO L168 Benchmark]: Toolchain (without parser) took 4207.74 ms. Allocated memory was 60.8 MB in the beginning and 109.1 MB in the end (delta: 48.2 MB). Free memory was 37.7 MB in the beginning and 69.3 MB in the end (delta: -31.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:24,702 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:58:24,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 853.41 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 37.6 MB in the beginning and 50.3 MB in the end (delta: -12.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:24,705 INFO L168 Benchmark]: Boogie Preprocessor took 119.12 ms. Allocated memory is still 83.9 MB. Free memory was 50.3 MB in the beginning and 45.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:24,706 INFO L168 Benchmark]: RCFGBuilder took 1584.20 ms. Allocated memory is still 83.9 MB. Free memory was 45.5 MB in the beginning and 44.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:24,710 INFO L168 Benchmark]: TraceAbstraction took 1634.46 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 43.8 MB in the beginning and 69.9 MB in the end (delta: -26.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:58:24,710 INFO L168 Benchmark]: Witness Printer took 4.34 ms. Allocated memory is still 109.1 MB. Free memory was 69.9 MB in the beginning and 69.3 MB in the end (delta: 589.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:24,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 853.41 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 37.6 MB in the beginning and 50.3 MB in the end (delta: -12.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 119.12 ms. Allocated memory is still 83.9 MB. Free memory was 50.3 MB in the beginning and 45.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1584.20 ms. Allocated memory is still 83.9 MB. Free memory was 45.5 MB in the beginning and 44.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1634.46 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 43.8 MB in the beginning and 69.9 MB in the end (delta: -26.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.34 ms. Allocated memory is still 109.1 MB. Free memory was 69.9 MB in the beginning and 69.3 MB in the end (delta: 589.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L772] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) VAL [\old(condition)=2147483648, ldv_global_msg_list={-2147483648:0}] [L761] COND TRUE \read(condition) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={-2147483648:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=2147483648, \result={1:0}, condition=2147483648, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L769] RET, EXPR alloc_16(condition) VAL [alloc_16(condition)={1:0}, condition=2147483648, ldv_global_msg_list={-2147483648:0}] [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 336 locations, 71 error locations. Started 1 CEGAR loops. OverallTime: 1525.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 30.2ms, AutomataDifference: 94.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 22.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 32.1ms SsaConstructionTime, 58.5ms SatisfiabilityAnalysisTime, 332.0ms InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 00:58:24,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c1e0b7-617d-47fe-bea9-90e96827ff79/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...