./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test14.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y --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 57e88052da463d5b7254d94e89c581ee420b273cd207f71cae5120687b870089 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:46:18,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:46:18,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:46:18,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:46:18,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:46:18,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:46:18,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:46:18,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:46:18,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:46:18,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:46:18,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:46:18,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:46:18,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:46:18,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:46:18,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:46:18,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:46:18,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:46:18,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:46:18,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:46:18,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:46:18,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:46:18,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:46:18,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:46:18,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:46:18,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:46:18,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:46:18,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:46:18,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:46:18,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:46:18,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:46:18,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:46:18,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:46:18,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:46:18,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:46:18,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:46:18,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:46:18,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:46:18,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:46:18,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:46:18,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:46:18,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:46:18,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-11-13 17:46:18,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:46:18,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:46:18,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:46:18,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:46:18,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:46:18,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:46:18,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:46:18,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:46:18,380 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:46:18,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:46:18,381 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:46:18,381 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 17:46:18,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:46:18,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:46:18,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:46:18,382 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 17:46:18,382 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 17:46:18,382 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 17:46:18,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:46:18,383 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 17:46:18,383 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:46:18,383 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:46:18,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:46:18,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:46:18,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:46:18,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:46:18,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:46:18,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:46:18,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:46:18,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:46:18,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:46:18,387 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_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57e88052da463d5b7254d94e89c581ee420b273cd207f71cae5120687b870089 [2021-11-13 17:46:18,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:46:18,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:46:18,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:46:18,722 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:46:18,723 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:46:18,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-memsafety/memleaks_test14.i [2021-11-13 17:46:18,798 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/data/d49dc4e59/02a1542cbbaf4868a69698f66246facf/FLAG9ca4d0144 [2021-11-13 17:46:19,452 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:46:19,453 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/sv-benchmarks/c/ldv-memsafety/memleaks_test14.i [2021-11-13 17:46:19,467 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/data/d49dc4e59/02a1542cbbaf4868a69698f66246facf/FLAG9ca4d0144 [2021-11-13 17:46:19,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/data/d49dc4e59/02a1542cbbaf4868a69698f66246facf [2021-11-13 17:46:19,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:46:19,715 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 17:46:19,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:46:19,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:46:19,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:46:19,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:46:19" (1/1) ... [2021-11-13 17:46:19,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704f6b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:46:19, skipping insertion in model container [2021-11-13 17:46:19,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:46:19" (1/1) ... [2021-11-13 17:46:19,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:46:19,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:46:20,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:46:20,329 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-13 17:46:20,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40067698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:46:20, skipping insertion in model container [2021-11-13 17:46:20,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:46:20,331 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-13 17:46:20,333 INFO L158 Benchmark]: Toolchain (without parser) took 616.92ms. Allocated memory is still 109.1MB. Free memory was 68.6MB in the beginning and 80.3MB in the end (delta: -11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 17:46:20,335 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory was 86.5MB in the beginning and 86.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:46:20,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.30ms. Allocated memory is still 109.1MB. Free memory was 68.4MB in the beginning and 80.3MB in the end (delta: -11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 17:46:20,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory was 86.5MB in the beginning and 86.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.30ms. Allocated memory is still 109.1MB. Free memory was 68.4MB in the beginning and 80.3MB in the end (delta: -11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y --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 57e88052da463d5b7254d94e89c581ee420b273cd207f71cae5120687b870089 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:46:22,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:46:22,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:46:22,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:46:22,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:46:22,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:46:22,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:46:22,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:46:22,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:46:22,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:46:22,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:46:22,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:46:22,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:46:22,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:46:22,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:46:22,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:46:22,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:46:22,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:46:22,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:46:22,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:46:22,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:46:22,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:46:22,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:46:22,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:46:22,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:46:22,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:46:22,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:46:22,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:46:22,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:46:22,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:46:22,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:46:22,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:46:22,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:46:22,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:46:22,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:46:22,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:46:22,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:46:22,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:46:22,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:46:22,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:46:22,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:46:22,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-11-13 17:46:22,827 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:46:22,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:46:22,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:46:22,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:46:22,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:46:22,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:46:22,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:46:22,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:46:22,832 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:46:22,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:46:22,834 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:46:22,834 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 17:46:22,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:46:22,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:46:22,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:46:22,835 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 17:46:22,835 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 17:46:22,836 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 17:46:22,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:46:22,836 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 17:46:22,836 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 17:46:22,836 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 17:46:22,837 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:46:22,837 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:46:22,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:46:22,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:46:22,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:46:22,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:46:22,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:46:22,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:46:22,839 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 17:46:22,839 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 17:46:22,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:46:22,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 17:46:22,840 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_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57e88052da463d5b7254d94e89c581ee420b273cd207f71cae5120687b870089 [2021-11-13 17:46:23,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:46:23,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:46:23,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:46:23,222 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:46:23,224 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:46:23,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-memsafety/memleaks_test14.i [2021-11-13 17:46:23,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/data/ebdae6492/047178f2e8624e14853a71d72f0f8b16/FLAG6105f1d2b [2021-11-13 17:46:23,958 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:46:23,958 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/sv-benchmarks/c/ldv-memsafety/memleaks_test14.i [2021-11-13 17:46:23,987 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/data/ebdae6492/047178f2e8624e14853a71d72f0f8b16/FLAG6105f1d2b [2021-11-13 17:46:24,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/data/ebdae6492/047178f2e8624e14853a71d72f0f8b16 [2021-11-13 17:46:24,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:46:24,256 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 17:46:24,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:46:24,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:46:24,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:46:24,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:46:24" (1/1) ... [2021-11-13 17:46:24,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3d4f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:46:24, skipping insertion in model container [2021-11-13 17:46:24,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:46:24" (1/1) ... [2021-11-13 17:46:24,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:46:24,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:46:24,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:46:24,768 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 17:46:24,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:46:24,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:46:24,877 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:46:24,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:46:24,986 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:46:24,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:46:24 WrapperNode [2021-11-13 17:46:24,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:46:24,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:46:24,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:46:24,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:46:25,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:46:24" (1/1) ... [2021-11-13 17:46:25,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:46:24" (1/1) ... [2021-11-13 17:46:25,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:46:24" (1/1) ... [2021-11-13 17:46:25,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:46:24" (1/1) ... [2021-11-13 17:46:25,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:46:24" (1/1) ... [2021-11-13 17:46:25,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:46:24" (1/1) ... [2021-11-13 17:46:25,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:46:24" (1/1) ... [2021-11-13 17:46:25,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:46:25,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:46:25,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:46:25,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:46:25,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:46:24" (1/1) ... [2021-11-13 17:46:25,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:46:25,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:46:25,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:46:25,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:46:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-13 17:46:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:46:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:46:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-13 17:46:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-13 17:46:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-13 17:46:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-11-13 17:46:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-11-13 17:46:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-11-13 17:46:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-11-13 17:46:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-11-13 17:46:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 17:46:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 17:46:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-11-13 17:46:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-11-13 17:46:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-11-13 17:46:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-11-13 17:46:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-11-13 17:46:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-11-13 17:46:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-11-13 17:46:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-11-13 17:46:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-11-13 17:46:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-11-13 17:46:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-11-13 17:46:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-13 17:46:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 17:46:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-11-13 17:46:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-11-13 17:46:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-11-13 17:46:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-11-13 17:46:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-11-13 17:46:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-11-13 17:46:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-11-13 17:46:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-11-13 17:46:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-11-13 17:46:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-11-13 17:46:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-11-13 17:46:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-11-13 17:46:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-11-13 17:46:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-11-13 17:46:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-13 17:46:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-11-13 17:46:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_14 [2021-11-13 17:46:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure free_14 [2021-11-13 17:46:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-11-13 17:46:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-13 17:46:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 17:46:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 17:46:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 17:46:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-13 17:46:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-13 17:46:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-13 17:46:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-13 17:46:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-13 17:46:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-13 17:46:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-13 17:46:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-13 17:46:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-13 17:46:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-13 17:46:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-13 17:46:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-13 17:46:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-13 17:46:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-13 17:46:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-13 17:46:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-13 17:46:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-13 17:46:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-13 17:46:25,211 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-11-13 17:46:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-11-13 17:46:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-11-13 17:46:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-13 17:46:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-13 17:46:25,212 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-13 17:46:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-13 17:46:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-13 17:46:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-13 17:46:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-13 17:46:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-13 17:46:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-13 17:46:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-13 17:46:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-13 17:46:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-13 17:46:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-13 17:46:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-13 17:46:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-13 17:46:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-13 17:46:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-13 17:46:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-13 17:46:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-13 17:46:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-13 17:46:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-13 17:46:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-13 17:46:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-13 17:46:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-13 17:46:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-13 17:46:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-13 17:46:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-13 17:46:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-13 17:46:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-13 17:46:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-13 17:46:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-13 17:46:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-13 17:46:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-13 17:46:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-13 17:46:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-13 17:46:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-13 17:46:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-13 17:46:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-13 17:46:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-13 17:46:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-13 17:46:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-13 17:46:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-11-13 17:46:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-13 17:46:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-13 17:46:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-11-13 17:46:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-13 17:46:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-13 17:46:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-11-13 17:46:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-13 17:46:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-13 17:46:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-13 17:46:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-13 17:46:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-13 17:46:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-13 17:46:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-13 17:46:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-13 17:46:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-13 17:46:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-13 17:46:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-13 17:46:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-13 17:46:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-13 17:46:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-13 17:46:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-13 17:46:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-13 17:46:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-13 17:46:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-13 17:46:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-13 17:46:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-13 17:46:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-13 17:46:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-13 17:46:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-13 17:46:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-13 17:46:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-13 17:46:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-13 17:46:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-13 17:46:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-13 17:46:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-13 17:46:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-13 17:46:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-13 17:46:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-13 17:46:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-13 17:46:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-13 17:46:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-13 17:46:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-13 17:46:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-13 17:46:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-13 17:46:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 17:46:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-13 17:46:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-11-13 17:46:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-11-13 17:46:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-13 17:46:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-13 17:46:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 17:46:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 17:46:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 17:46:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 17:46:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-11-13 17:46:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 17:46:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-11-13 17:46:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-11-13 17:46:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-11-13 17:46:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 17:46:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-11-13 17:46:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-11-13 17:46:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-11-13 17:46:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-11-13 17:46:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 17:46:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-11-13 17:46:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:46:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-11-13 17:46:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-11-13 17:46:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-13 17:46:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 17:46:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-11-13 17:46:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 17:46:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 17:46:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-11-13 17:46:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-11-13 17:46:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 17:46:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-11-13 17:46:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-11-13 17:46:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-11-13 17:46:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-11-13 17:46:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-11-13 17:46:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-11-13 17:46:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-11-13 17:46:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-11-13 17:46:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-11-13 17:46:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-11-13 17:46:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-11-13 17:46:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 17:46:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-13 17:46:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-11-13 17:46:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_14 [2021-11-13 17:46:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure free_14 [2021-11-13 17:46:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-11-13 17:46:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:46:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 17:46:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-13 17:46:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-13 17:46:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:46:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-13 17:46:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 17:46:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 17:46:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 17:46:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 17:46:25,915 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 17:46:26,288 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 17:46:26,608 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:46:26,608 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 17:46:26,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:46:26 BoogieIcfgContainer [2021-11-13 17:46:26,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:46:26,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:46:26,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:46:26,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:46:26,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:46:24" (1/3) ... [2021-11-13 17:46:26,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f4b9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:46:26, skipping insertion in model container [2021-11-13 17:46:26,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:46:24" (2/3) ... [2021-11-13 17:46:26,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f4b9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:46:26, skipping insertion in model container [2021-11-13 17:46:26,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:46:26" (3/3) ... [2021-11-13 17:46:26,625 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test14.i [2021-11-13 17:46:26,630 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:46:26,632 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 80 error locations. [2021-11-13 17:46:26,674 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:46:26,681 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 17:46:26,681 INFO L340 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2021-11-13 17:46:26,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 200 states, 105 states have (on average 1.638095238095238) internal successors, (172), 162 states have internal predecessors, (172), 19 states have call successors, (19), 17 states have call predecessors, (19), 17 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-13 17:46:26,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 17:46:26,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:26,711 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:46:26,711 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_list_addErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 76 more)] === [2021-11-13 17:46:26,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:26,717 INFO L85 PathProgramCache]: Analyzing trace with hash -448016128, now seen corresponding path program 1 times [2021-11-13 17:46:26,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:46:26,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178732498] [2021-11-13 17:46:26,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:26,730 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:46:26,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:46:26,733 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:46:26,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 17:46:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:26,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 17:46:26,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:46:27,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:46:27,272 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-11-13 17:46:27,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 24 [2021-11-13 17:46:27,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:46:27,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:46:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:46:27,714 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:46:27,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178732498] [2021-11-13 17:46:27,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [178732498] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:27,715 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:46:27,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 9 [2021-11-13 17:46:27,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239167704] [2021-11-13 17:46:27,718 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:27,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 17:46:27,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:46:27,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 17:46:27,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:46:27,753 INFO L87 Difference]: Start difference. First operand has 200 states, 105 states have (on average 1.638095238095238) internal successors, (172), 162 states have internal predecessors, (172), 19 states have call successors, (19), 17 states have call predecessors, (19), 17 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 10 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 3 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 17:46:28,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:28,507 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2021-11-13 17:46:28,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 17:46:28,510 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 3 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2021-11-13 17:46:28,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:28,519 INFO L225 Difference]: With dead ends: 113 [2021-11-13 17:46:28,520 INFO L226 Difference]: Without dead ends: 110 [2021-11-13 17:46:28,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 8 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-11-13 17:46:28,525 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 86 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 502.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.02ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 90 IncrementalHoareTripleChecker+Unchecked, 599.47ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:28,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 300 Invalid, 508 Unknown, 0 Unchecked, 10.02ms Time], IncrementalHoareTripleChecker [21 Valid, 397 Invalid, 0 Unknown, 90 Unchecked, 599.47ms Time] [2021-11-13 17:46:28,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-11-13 17:46:28,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 91. [2021-11-13 17:46:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 45 states have (on average 1.6444444444444444) internal successors, (74), 72 states have internal predecessors, (74), 10 states have call successors, (10), 10 states have call predecessors, (10), 9 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-13 17:46:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 93 transitions. [2021-11-13 17:46:28,571 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 93 transitions. Word has length 19 [2021-11-13 17:46:28,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:28,572 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 93 transitions. [2021-11-13 17:46:28,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 3 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 17:46:28,573 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 93 transitions. [2021-11-13 17:46:28,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 17:46:28,573 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:28,574 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:46:28,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-13 17:46:28,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:46:28,786 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_list_addErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 76 more)] === [2021-11-13 17:46:28,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:28,786 INFO L85 PathProgramCache]: Analyzing trace with hash -448016127, now seen corresponding path program 1 times [2021-11-13 17:46:28,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:46:28,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [592256023] [2021-11-13 17:46:28,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:28,788 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:46:28,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:46:28,789 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:46:28,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 17:46:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:46:28,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 17:46:28,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:46:28,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:46:28,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:46:31,218 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-13 17:46:31,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2021-11-13 17:46:31,247 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:46:31,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-13 17:46:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:46:31,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:46:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:46:45,663 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:46:45,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [592256023] [2021-11-13 17:46:45,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [592256023] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:46:45,664 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:46:45,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2021-11-13 17:46:45,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770713745] [2021-11-13 17:46:45,665 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:46:45,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-13 17:46:45,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:46:45,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-13 17:46:45,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=258, Unknown=5, NotChecked=0, Total=306 [2021-11-13 17:46:45,668 INFO L87 Difference]: Start difference. First operand 91 states and 93 transitions. Second operand has 18 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 7 states have call successors, (9), 7 states have call predecessors, (9), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 17:46:59,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:46:59,630 INFO L93 Difference]: Finished difference Result 109 states and 117 transitions. [2021-11-13 17:46:59,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 17:46:59,631 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 7 states have call successors, (9), 7 states have call predecessors, (9), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 19 [2021-11-13 17:46:59,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:46:59,633 INFO L225 Difference]: With dead ends: 109 [2021-11-13 17:46:59,633 INFO L226 Difference]: Without dead ends: 109 [2021-11-13 17:46:59,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 25.2s TimeCoverageRelationStatistics Valid=85, Invalid=411, Unknown=10, NotChecked=0, Total=506 [2021-11-13 17:46:59,636 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 77 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1396.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.07ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 364 IncrementalHoareTripleChecker+Unchecked, 1631.09ms IncrementalHoareTripleChecker+Time [2021-11-13 17:46:59,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 282 Invalid, 996 Unknown, 0 Unchecked, 10.07ms Time], IncrementalHoareTripleChecker [23 Valid, 609 Invalid, 0 Unknown, 364 Unchecked, 1631.09ms Time] [2021-11-13 17:46:59,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-13 17:46:59,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 90. [2021-11-13 17:46:59,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 71 states have internal predecessors, (73), 10 states have call successors, (10), 10 states have call predecessors, (10), 9 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-13 17:46:59,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 92 transitions. [2021-11-13 17:46:59,649 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 92 transitions. Word has length 19 [2021-11-13 17:46:59,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:46:59,649 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 92 transitions. [2021-11-13 17:46:59,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 7 states have call successors, (9), 7 states have call predecessors, (9), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 17:46:59,650 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 92 transitions. [2021-11-13 17:46:59,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 17:46:59,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:46:59,651 INFO L514 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] [2021-11-13 17:46:59,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:46:59,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:46:59,866 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __ldv_list_addErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 76 more)] === [2021-11-13 17:46:59,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:46:59,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1910282811, now seen corresponding path program 1 times [2021-11-13 17:46:59,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:46:59,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146146701] [2021-11-13 17:46:59,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:46:59,868 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:46:59,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:46:59,869 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:46:59,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 17:47:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:00,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 17:47:00,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:47:00,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2021-11-13 17:47:00,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:47:00,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:47:00,394 INFO L354 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2021-11-13 17:47:00,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 17:47:00,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:47:00,462 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:47:00,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2146146701] [2021-11-13 17:47:00,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2146146701] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:47:00,463 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:47:00,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 10 [2021-11-13 17:47:00,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695166068] [2021-11-13 17:47:00,463 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:47:00,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 17:47:00,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:47:00,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 17:47:00,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-13 17:47:00,465 INFO L87 Difference]: Start difference. First operand 90 states and 92 transitions. Second operand has 11 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 17:47:00,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:47:00,844 INFO L93 Difference]: Finished difference Result 91 states and 93 transitions. [2021-11-13 17:47:00,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 17:47:00,845 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2021-11-13 17:47:00,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:47:00,846 INFO L225 Difference]: With dead ends: 91 [2021-11-13 17:47:00,847 INFO L226 Difference]: Without dead ends: 91 [2021-11-13 17:47:00,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-11-13 17:47:00,849 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 37 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 232.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.04ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 27 IncrementalHoareTripleChecker+Unchecked, 276.69ms IncrementalHoareTripleChecker+Time [2021-11-13 17:47:00,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 380 Invalid, 159 Unknown, 0 Unchecked, 4.04ms Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 27 Unchecked, 276.69ms Time] [2021-11-13 17:47:00,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-11-13 17:47:00,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2021-11-13 17:47:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 45 states have (on average 1.6) internal successors, (72), 70 states have internal predecessors, (72), 10 states have call successors, (10), 10 states have call predecessors, (10), 9 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-13 17:47:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 91 transitions. [2021-11-13 17:47:00,859 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 91 transitions. Word has length 22 [2021-11-13 17:47:00,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:47:00,860 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 91 transitions. [2021-11-13 17:47:00,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 17:47:00,860 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2021-11-13 17:47:00,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 17:47:00,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:47:00,862 INFO L514 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] [2021-11-13 17:47:00,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-13 17:47:01,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:47:01,077 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __ldv_list_addErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 76 more)] === [2021-11-13 17:47:01,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:01,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1910282812, now seen corresponding path program 1 times [2021-11-13 17:47:01,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:47:01,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830203635] [2021-11-13 17:47:01,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:01,078 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:47:01,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:47:01,079 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:47:01,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 17:47:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:01,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-13 17:47:01,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:47:01,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:47:01,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:47:01,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2021-11-13 17:47:01,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2021-11-13 17:47:03,740 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-13 17:47:03,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2021-11-13 17:47:03,756 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-13 17:47:03,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2021-11-13 17:47:04,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-11-13 17:47:04,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-11-13 17:47:04,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:47:04,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:47:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:47:13,463 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:47:13,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1830203635] [2021-11-13 17:47:13,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1830203635] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:47:13,464 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:47:13,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 23 [2021-11-13 17:47:13,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183530346] [2021-11-13 17:47:13,464 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:47:13,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-13 17:47:13,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:47:13,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-13 17:47:13,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=491, Unknown=3, NotChecked=0, Total=552 [2021-11-13 17:47:13,466 INFO L87 Difference]: Start difference. First operand 89 states and 91 transitions. Second operand has 24 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 9 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 17:47:15,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:47:15,173 INFO L93 Difference]: Finished difference Result 113 states and 117 transitions. [2021-11-13 17:47:15,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 17:47:15,174 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 9 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 22 [2021-11-13 17:47:15,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:47:15,176 INFO L225 Difference]: With dead ends: 113 [2021-11-13 17:47:15,176 INFO L226 Difference]: Without dead ends: 113 [2021-11-13 17:47:15,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=87, Invalid=666, Unknown=3, NotChecked=0, Total=756 [2021-11-13 17:47:15,178 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 47 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1102.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.18ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 307 IncrementalHoareTripleChecker+Unchecked, 1263.99ms IncrementalHoareTripleChecker+Time [2021-11-13 17:47:15,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 800 Invalid, 688 Unknown, 0 Unchecked, 9.18ms Time], IncrementalHoareTripleChecker [4 Valid, 377 Invalid, 0 Unknown, 307 Unchecked, 1263.99ms Time] [2021-11-13 17:47:15,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-11-13 17:47:15,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2021-11-13 17:47:15,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 56 states have (on average 1.6071428571428572) internal successors, (90), 82 states have internal predecessors, (90), 12 states have call successors, (12), 12 states have call predecessors, (12), 11 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2021-11-13 17:47:15,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 114 transitions. [2021-11-13 17:47:15,192 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 114 transitions. Word has length 22 [2021-11-13 17:47:15,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:47:15,192 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 114 transitions. [2021-11-13 17:47:15,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 9 states have call successors, (11), 9 states have call predecessors, (11), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 17:47:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2021-11-13 17:47:15,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 17:47:15,194 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:47:15,194 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:15,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:47:15,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:47:15,398 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting free_14Err0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 76 more)] === [2021-11-13 17:47:15,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:15,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1159099875, now seen corresponding path program 1 times [2021-11-13 17:47:15,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:47:15,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185939499] [2021-11-13 17:47:15,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:15,399 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:47:15,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:47:15,400 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:47:15,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 17:47:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:15,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:47:15,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:47:15,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:47:15,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:47:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:47:15,654 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:47:15,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185939499] [2021-11-13 17:47:15,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185939499] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:47:15,654 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:47:15,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-13 17:47:15,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545598663] [2021-11-13 17:47:15,655 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:47:15,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:47:15,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:47:15,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:47:15,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:47:15,656 INFO L87 Difference]: Start difference. First operand 104 states and 114 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:47:15,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:47:15,676 INFO L93 Difference]: Finished difference Result 106 states and 115 transitions. [2021-11-13 17:47:15,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:47:15,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2021-11-13 17:47:15,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:47:15,678 INFO L225 Difference]: With dead ends: 106 [2021-11-13 17:47:15,678 INFO L226 Difference]: Without dead ends: 106 [2021-11-13 17:47:15,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:47:15,689 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 2 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.40ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.92ms IncrementalHoareTripleChecker+Time [2021-11-13 17:47:15,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 363 Invalid, 10 Unknown, 0 Unchecked, 1.40ms Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 13.92ms Time] [2021-11-13 17:47:15,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-11-13 17:47:15,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2021-11-13 17:47:15,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 56 states have (on average 1.5892857142857142) internal successors, (89), 82 states have internal predecessors, (89), 12 states have call successors, (12), 12 states have call predecessors, (12), 11 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2021-11-13 17:47:15,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2021-11-13 17:47:15,700 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 21 [2021-11-13 17:47:15,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:47:15,701 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2021-11-13 17:47:15,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 17:47:15,701 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2021-11-13 17:47:15,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 17:47:15,702 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:47:15,702 INFO L514 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] [2021-11-13 17:47:15,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 17:47:15,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:47:15,917 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __ldv_list_addErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 76 more)] === [2021-11-13 17:47:15,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:15,918 INFO L85 PathProgramCache]: Analyzing trace with hash 113331453, now seen corresponding path program 1 times [2021-11-13 17:47:15,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:47:15,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1796178682] [2021-11-13 17:47:15,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:15,919 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:47:15,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:47:15,919 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:47:15,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 17:47:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:16,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 17:47:16,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:47:16,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:47:16,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:47:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:47:16,235 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:47:16,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1796178682] [2021-11-13 17:47:16,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1796178682] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:47:16,235 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:47:16,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-13 17:47:16,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366062219] [2021-11-13 17:47:16,236 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:47:16,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:47:16,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:47:16,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:47:16,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:47:16,237 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:47:16,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:47:16,257 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2021-11-13 17:47:16,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 17:47:16,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2021-11-13 17:47:16,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:47:16,260 INFO L225 Difference]: With dead ends: 94 [2021-11-13 17:47:16,260 INFO L226 Difference]: Without dead ends: 94 [2021-11-13 17:47:16,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:47:16,261 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 2 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.18ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.98ms IncrementalHoareTripleChecker+Time [2021-11-13 17:47:16,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 357 Invalid, 10 Unknown, 0 Unchecked, 1.18ms Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 15.98ms Time] [2021-11-13 17:47:16,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-13 17:47:16,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92. [2021-11-13 17:47:16,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 72 states have internal predecessors, (73), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2021-11-13 17:47:16,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 93 transitions. [2021-11-13 17:47:16,269 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 93 transitions. Word has length 22 [2021-11-13 17:47:16,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:47:16,270 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 93 transitions. [2021-11-13 17:47:16,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 17:47:16,270 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 93 transitions. [2021-11-13 17:47:16,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 17:47:16,271 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:47:16,271 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:16,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 17:47:16,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:47:16,501 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting free_14Err0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 76 more)] === [2021-11-13 17:47:16,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:47:16,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1355613380, now seen corresponding path program 1 times [2021-11-13 17:47:16,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:47:16,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008660060] [2021-11-13 17:47:16,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:16,502 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:47:16,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:47:16,503 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:47:16,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 17:47:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:16,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 17:47:16,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:47:16,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:47:16,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:47:16,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:47:16,869 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:47:16,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008660060] [2021-11-13 17:47:16,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_entry_point_~#list_14~0.base_BEFORE_CALL_7|] [2021-11-13 17:47:16,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2116442551] [2021-11-13 17:47:16,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:16,871 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 17:47:16,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/cvc4 [2021-11-13 17:47:16,873 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 17:47:16,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-13 17:47:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:17,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 17:47:17,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:47:17,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:47:17,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-13 17:47:17,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:47:17,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:47:17,318 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_entry_point_~#list_14~0.base_BEFORE_CALL_7|] [2021-11-13 17:47:17,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282705882] [2021-11-13 17:47:17,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:47:17,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:47:17,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:47:17,327 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:47:17,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-13 17:47:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:47:17,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 17:47:17,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:47:17,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 17:47:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:47:17,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:47:17,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_entry_point_~#list_14~0.base_BEFORE_CALL_7|] [2021-11-13 17:47:17,668 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:47:17,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-13 17:47:17,669 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-11-13 17:47:17,669 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-11-13 17:47:17,675 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_14Err0REQUIRES_VIOLATION (79 of 80 remaining) [2021-11-13 17:47:17,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION (78 of 80 remaining) [2021-11-13 17:47:17,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION (77 of 80 remaining) [2021-11-13 17:47:17,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION (76 of 80 remaining) [2021-11-13 17:47:17,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION (75 of 80 remaining) [2021-11-13 17:47:17,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION (74 of 80 remaining) [2021-11-13 17:47:17,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION (73 of 80 remaining) [2021-11-13 17:47:17,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION (72 of 80 remaining) [2021-11-13 17:47:17,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION (71 of 80 remaining) [2021-11-13 17:47:17,678 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION (70 of 80 remaining) [2021-11-13 17:47:17,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION (69 of 80 remaining) [2021-11-13 17:47:17,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION (68 of 80 remaining) [2021-11-13 17:47:17,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION (67 of 80 remaining) [2021-11-13 17:47:17,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION (66 of 80 remaining) [2021-11-13 17:47:17,679 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION (65 of 80 remaining) [2021-11-13 17:47:17,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION (64 of 80 remaining) [2021-11-13 17:47:17,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION (63 of 80 remaining) [2021-11-13 17:47:17,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION (62 of 80 remaining) [2021-11-13 17:47:17,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION (61 of 80 remaining) [2021-11-13 17:47:17,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION (60 of 80 remaining) [2021-11-13 17:47:17,680 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION (59 of 80 remaining) [2021-11-13 17:47:17,681 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION (58 of 80 remaining) [2021-11-13 17:47:17,681 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION (57 of 80 remaining) [2021-11-13 17:47:17,681 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION (56 of 80 remaining) [2021-11-13 17:47:17,681 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION (55 of 80 remaining) [2021-11-13 17:47:17,681 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION (54 of 80 remaining) [2021-11-13 17:47:17,681 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION (53 of 80 remaining) [2021-11-13 17:47:17,682 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION (52 of 80 remaining) [2021-11-13 17:47:17,682 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION (51 of 80 remaining) [2021-11-13 17:47:17,682 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION (50 of 80 remaining) [2021-11-13 17:47:17,682 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION (49 of 80 remaining) [2021-11-13 17:47:17,682 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION (48 of 80 remaining) [2021-11-13 17:47:17,683 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION (47 of 80 remaining) [2021-11-13 17:47:17,683 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION (46 of 80 remaining) [2021-11-13 17:47:17,683 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION (45 of 80 remaining) [2021-11-13 17:47:17,683 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION (44 of 80 remaining) [2021-11-13 17:47:17,683 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION (43 of 80 remaining) [2021-11-13 17:47:17,683 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION (42 of 80 remaining) [2021-11-13 17:47:17,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION (41 of 80 remaining) [2021-11-13 17:47:17,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION (40 of 80 remaining) [2021-11-13 17:47:17,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION (39 of 80 remaining) [2021-11-13 17:47:17,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION (38 of 80 remaining) [2021-11-13 17:47:17,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION (37 of 80 remaining) [2021-11-13 17:47:17,685 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE (36 of 80 remaining) [2021-11-13 17:47:17,685 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE (35 of 80 remaining) [2021-11-13 17:47:17,685 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE (34 of 80 remaining) [2021-11-13 17:47:17,685 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE (33 of 80 remaining) [2021-11-13 17:47:17,685 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE (32 of 80 remaining) [2021-11-13 17:47:17,686 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE (31 of 80 remaining) [2021-11-13 17:47:17,686 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK (30 of 80 remaining) [2021-11-13 17:47:17,686 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION (29 of 80 remaining) [2021-11-13 17:47:17,686 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION (28 of 80 remaining) [2021-11-13 17:47:17,686 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION (27 of 80 remaining) [2021-11-13 17:47:17,686 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION (26 of 80 remaining) [2021-11-13 17:47:17,687 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION (25 of 80 remaining) [2021-11-13 17:47:17,687 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION (24 of 80 remaining) [2021-11-13 17:47:17,687 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION (23 of 80 remaining) [2021-11-13 17:47:17,687 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION (22 of 80 remaining) [2021-11-13 17:47:17,687 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE (21 of 80 remaining) [2021-11-13 17:47:17,688 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE (20 of 80 remaining) [2021-11-13 17:47:17,688 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE (19 of 80 remaining) [2021-11-13 17:47:17,688 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE (18 of 80 remaining) [2021-11-13 17:47:17,688 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE (17 of 80 remaining) [2021-11-13 17:47:17,688 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE (16 of 80 remaining) [2021-11-13 17:47:17,689 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION (15 of 80 remaining) [2021-11-13 17:47:17,689 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION (14 of 80 remaining) [2021-11-13 17:47:17,689 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION (13 of 80 remaining) [2021-11-13 17:47:17,689 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION (12 of 80 remaining) [2021-11-13 17:47:17,689 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION (11 of 80 remaining) [2021-11-13 17:47:17,689 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION (10 of 80 remaining) [2021-11-13 17:47:17,690 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_14Err1REQUIRES_VIOLATION (9 of 80 remaining) [2021-11-13 17:47:17,690 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_14Err2REQUIRES_VIOLATION (8 of 80 remaining) [2021-11-13 17:47:17,690 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_14Err3REQUIRES_VIOLATION (7 of 80 remaining) [2021-11-13 17:47:17,690 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_14Err4ASSERT_VIOLATIONMEMORY_FREE (6 of 80 remaining) [2021-11-13 17:47:17,690 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_14Err5ASSERT_VIOLATIONMEMORY_FREE (5 of 80 remaining) [2021-11-13 17:47:17,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_14Err6ASSERT_VIOLATIONMEMORY_FREE (4 of 80 remaining) [2021-11-13 17:47:17,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_14Err7REQUIRES_VIOLATION (3 of 80 remaining) [2021-11-13 17:47:17,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_14Err8REQUIRES_VIOLATION (2 of 80 remaining) [2021-11-13 17:47:17,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION (1 of 80 remaining) [2021-11-13 17:47:17,691 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION (0 of 80 remaining) [2021-11-13 17:47:17,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-11-13 17:47:17,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 17:47:18,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-13 17:47:18,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:47:18,302 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:47:18,305 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:47:18,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:47:18 BoogieIcfgContainer [2021-11-13 17:47:18,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 17:47:18,316 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 17:47:18,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 17:47:18,317 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 17:47:18,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:46:26" (3/4) ... [2021-11-13 17:47:18,320 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 17:47:18,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 17:47:18,321 INFO L158 Benchmark]: Toolchain (without parser) took 54065.34ms. Allocated memory was 71.3MB in the beginning and 153.1MB in the end (delta: 81.8MB). Free memory was 51.5MB in the beginning and 91.9MB in the end (delta: -40.4MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2021-11-13 17:47:18,321 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:47:18,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.48ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 35.2MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 17:47:18,322 INFO L158 Benchmark]: Boogie Preprocessor took 130.79ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 35.2MB in the beginning and 92.9MB in the end (delta: -57.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-13 17:47:18,323 INFO L158 Benchmark]: RCFGBuilder took 1493.85ms. Allocated memory is still 113.2MB. Free memory was 92.9MB in the beginning and 75.8MB in the end (delta: 17.1MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2021-11-13 17:47:18,323 INFO L158 Benchmark]: TraceAbstraction took 51697.16ms. Allocated memory was 113.2MB in the beginning and 153.1MB in the end (delta: 39.8MB). Free memory was 75.8MB in the beginning and 91.9MB in the end (delta: -16.1MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-11-13 17:47:18,323 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 153.1MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:47:18,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.48ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 35.2MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.79ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 35.2MB in the beginning and 92.9MB in the end (delta: -57.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1493.85ms. Allocated memory is still 113.2MB. Free memory was 92.9MB in the beginning and 75.8MB in the end (delta: 17.1MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * TraceAbstraction took 51697.16ms. Allocated memory was 113.2MB in the beginning and 153.1MB in the end (delta: 39.8MB). Free memory was 75.8MB in the beginning and 91.9MB in the end (delta: -16.1MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 153.1MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L781] CALL entry_point() [L776] struct ldv_list_head list_14 = { &(list_14), &(list_14) }; [L777] CALL alloc_14(&list_14) [L762] CALL, EXPR ldv_malloc(sizeof(struct A14)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L762] RET, EXPR ldv_malloc(sizeof(struct A14)) [L762] struct A14 *p = (struct A14 *)ldv_malloc(sizeof(struct A14)); [L763] COND FALSE !(\read(*p)) [L777] RET alloc_14(&list_14) [L778] CALL free_14(&list_14) [L768] struct A14 *p; [L769] struct A14 *n; [L770] (plist)->next - 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: 780]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed 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: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 770]: 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 49 procedures, 362 locations, 80 error locations. Started 1 CEGAR loops. OverallTime: 51.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 258 SdHoareTripleChecker+Valid, 3801.13ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 251 mSDsluCounter, 2482 SdHoareTripleChecker+Invalid, 3255.82ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 788 IncrementalHoareTripleChecker+Unchecked, 2015 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1534 IncrementalHoareTripleChecker+Invalid, 2371 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 467 mSDtfsCounter, 1534 mSolverCounterSat, 35.90ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 263 GetRequests, 174 SyntacticMatches, 11 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 34.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=0, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 53 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 30.6s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 258 ConstructedInterpolants, 30 QuantifiedInterpolants, 2280 SizeOfPredicates, 51 NumberOfNonLiveVariables, 857 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-13 17:47:18,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deac85db-b0ad-45f8-bfde-bc3c6ea958ff/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN