./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD --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 b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD --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 b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:51:17,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:51:17,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:51:17,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:51:17,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:51:17,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:51:17,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:51:17,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:51:17,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:51:17,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:51:17,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:51:17,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:51:17,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:51:17,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:51:17,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:51:17,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:51:17,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:51:17,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:51:17,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:51:17,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:51:17,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:51:17,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:51:17,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:51:17,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:51:17,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:51:17,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:51:17,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:51:17,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:51:17,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:51:17,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:51:17,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:51:17,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:51:17,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:51:17,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:51:17,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:51:17,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:51:17,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:51:17,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:51:17,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:51:17,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:51:17,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:51:17,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-28 23:51:17,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:51:17,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:51:17,340 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:51:17,340 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:51:17,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:51:17,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:51:17,349 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:51:17,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:51:17,349 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:51:17,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:51:17,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:51:17,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:51:17,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:51:17,352 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:51:17,352 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:51:17,352 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:51:17,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:51:17,353 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:51:17,353 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:51:17,353 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:51:17,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:51:17,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:51:17,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:51:17,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:17,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:51:17,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:51:17,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:51:17,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:51:17,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:51:17,358 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_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab [2021-10-28 23:51:17,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:51:17,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:51:17,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:51:17,683 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:51:17,684 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:51:17,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-28 23:51:17,756 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/data/02f70feca/07c7fdcdcfdd4205bd035f0533ba0a42/FLAGe68d8d518 [2021-10-28 23:51:18,323 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:51:18,324 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-28 23:51:18,356 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/data/02f70feca/07c7fdcdcfdd4205bd035f0533ba0a42/FLAGe68d8d518 [2021-10-28 23:51:18,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/data/02f70feca/07c7fdcdcfdd4205bd035f0533ba0a42 [2021-10-28 23:51:18,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:51:18,574 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:51:18,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:18,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:51:18,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:51:18,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:18" (1/1) ... [2021-10-28 23:51:18,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51391b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:18, skipping insertion in model container [2021-10-28 23:51:18,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:18" (1/1) ... [2021-10-28 23:51:18,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:51:18,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:51:19,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:19,030 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-28 23:51:19,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3831eb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:19, skipping insertion in model container [2021-10-28 23:51:19,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:19,032 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 23:51:19,034 INFO L168 Benchmark]: Toolchain (without parser) took 458.58 ms. Allocated memory is still 104.9 MB. Free memory was 77.7 MB in the beginning and 64.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:19,035 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 82.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:51:19,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.01 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 64.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:51:19,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 82.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 455.01 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 64.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:51:21,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:51:21,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:51:21,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:51:21,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:51:21,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:51:21,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:51:21,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:51:21,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:51:21,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:51:21,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:51:21,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:51:21,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:51:21,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:51:21,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:51:21,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:51:21,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:51:21,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:51:21,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:51:21,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:51:21,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:51:21,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:51:21,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:51:21,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:51:21,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:51:21,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:51:21,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:51:21,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:51:21,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:51:21,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:51:21,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:51:21,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:51:21,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:51:21,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:51:21,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:51:21,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:51:21,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:51:21,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:51:21,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:51:21,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:51:21,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:51:21,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-28 23:51:21,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:51:21,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:51:21,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:51:21,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:51:21,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:51:21,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:51:21,807 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:51:21,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:51:21,807 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:51:21,808 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:51:21,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:51:21,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:51:21,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:51:21,809 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:51:21,809 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:51:21,809 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:51:21,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:51:21,810 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:51:21,810 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:51:21,810 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:51:21,811 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:51:21,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:51:21,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:51:21,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:51:21,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:51:21,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:21,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:51:21,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:51:21,813 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:51:21,813 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:51:21,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:51:21,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:51:21,814 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_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b68a60a1004db041631656acc5775ad13321e46c020cb1a181ddf112036ec7ab [2021-10-28 23:51:22,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:51:22,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:51:22,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:51:22,288 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:51:22,288 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:51:22,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-28 23:51:22,383 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/data/5badabf59/3ed829b0aff143dbb282463e1ce6b5c0/FLAG39fce23c1 [2021-10-28 23:51:23,137 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:51:23,139 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2021-10-28 23:51:23,167 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/data/5badabf59/3ed829b0aff143dbb282463e1ce6b5c0/FLAG39fce23c1 [2021-10-28 23:51:23,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/data/5badabf59/3ed829b0aff143dbb282463e1ce6b5c0 [2021-10-28 23:51:23,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:51:23,334 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:51:23,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:23,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:51:23,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:51:23,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:23" (1/1) ... [2021-10-28 23:51:23,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420ae773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:23, skipping insertion in model container [2021-10-28 23:51:23,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:23" (1/1) ... [2021-10-28 23:51:23,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:51:23,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:51:23,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:24,002 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 23:51:24,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:51:24,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:24,090 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:51:24,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:51:24,263 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:51:24,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:24 WrapperNode [2021-10-28 23:51:24,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:51:24,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:51:24,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:51:24,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:51:24,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:24" (1/1) ... [2021-10-28 23:51:24,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:24" (1/1) ... [2021-10-28 23:51:24,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:24" (1/1) ... [2021-10-28 23:51:24,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:24" (1/1) ... [2021-10-28 23:51:24,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:24" (1/1) ... [2021-10-28 23:51:24,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:24" (1/1) ... [2021-10-28 23:51:24,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:24" (1/1) ... [2021-10-28 23:51:24,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:51:24,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:51:24,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:51:24,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:51:24,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:24" (1/1) ... [2021-10-28 23:51:24,470 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:51:24,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:51:24,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:51:24,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:51:24,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 23:51:24,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:51:24,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:51:24,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:51:24,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 23:51:24,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 23:51:24,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-28 23:51:24,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-28 23:51:24,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-28 23:51:24,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-28 23:51:24,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-28 23:51:24,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-28 23:51:24,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-28 23:51:24,557 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:51:24,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-28 23:51:24,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-28 23:51:24,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-28 23:51:24,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-28 23:51:24,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-28 23:51:24,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-28 23:51:24,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-28 23:51:24,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-28 23:51:24,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-28 23:51:24,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-28 23:51:24,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-28 23:51:24,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-28 23:51:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-28 23:51:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-28 23:51:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-28 23:51:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-28 23:51:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-28 23:51:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-28 23:51:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-28 23:51:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-28 23:51:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-28 23:51:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-28 23:51:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-28 23:51:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-28 23:51:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-28 23:51:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-28 23:51:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-28 23:51:24,563 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-28 23:51:24,563 INFO L138 BoogieDeclarations]: Found implementation of procedure h_safe [2021-10-28 23:51:24,563 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-28 23:51:24,563 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 23:51:24,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-28 23:51:24,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-28 23:51:24,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-28 23:51:24,564 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 23:51:24,564 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 23:51:24,565 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 23:51:24,565 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 23:51:24,565 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 23:51:24,565 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 23:51:24,565 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 23:51:24,566 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 23:51:24,566 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 23:51:24,566 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 23:51:24,566 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 23:51:24,566 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 23:51:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 23:51:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 23:51:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 23:51:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 23:51:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 23:51:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 23:51:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-28 23:51:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-28 23:51:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-28 23:51:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 23:51:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 23:51:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 23:51:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 23:51:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 23:51:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 23:51:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 23:51:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 23:51:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 23:51:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 23:51:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 23:51:24,570 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 23:51:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 23:51:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 23:51:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 23:51:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 23:51:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 23:51:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 23:51:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 23:51:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 23:51:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 23:51:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 23:51:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 23:51:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 23:51:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 23:51:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 23:51:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 23:51:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 23:51:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 23:51:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 23:51:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 23:51:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 23:51:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 23:51:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 23:51:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 23:51:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 23:51:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 23:51:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 23:51:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 23:51:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 23:51:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 23:51:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-28 23:51:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 23:51:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 23:51:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-28 23:51:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 23:51:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 23:51:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-28 23:51:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 23:51:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 23:51:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 23:51:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 23:51:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 23:51:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 23:51:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 23:51:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 23:51:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 23:51:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 23:51:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 23:51:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 23:51:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 23:51:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 23:51:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 23:51:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 23:51:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 23:51:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 23:51:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 23:51:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 23:51:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 23:51:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 23:51:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 23:51:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 23:51:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 23:51:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 23:51:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 23:51:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 23:51:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 23:51:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 23:51:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 23:51:24,583 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 23:51:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 23:51:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 23:51:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 23:51:24,584 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 23:51:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 23:51:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 23:51:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-28 23:51:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 23:51:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-28 23:51:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-28 23:51:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 23:51:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 23:51:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-28 23:51:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:51:24,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-28 23:51:24,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-28 23:51:24,587 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-28 23:51:24,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:51:24,587 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-28 23:51:24,587 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-28 23:51:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-28 23:51:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 23:51:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-28 23:51:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-28 23:51:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-28 23:51:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-28 23:51:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-28 23:51:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-28 23:51:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:51:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-28 23:51:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-28 23:51:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-28 23:51:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-28 23:51:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-28 23:51:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:51:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:51:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-28 23:51:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-28 23:51:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:51:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-28 23:51:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-28 23:51:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-28 23:51:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-28 23:51:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-28 23:51:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-28 23:51:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-28 23:51:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-28 23:51:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-28 23:51:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-28 23:51:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-28 23:51:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-28 23:51:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-28 23:51:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-28 23:51:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure h_safe [2021-10-28 23:51:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-28 23:51:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 23:51:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 23:51:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:51:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 23:51:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:51:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:51:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-28 23:51:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-28 23:51:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-28 23:51:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-28 23:51:25,330 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:51:25,842 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:51:26,254 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:51:26,255 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-28 23:51:26,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:26 BoogieIcfgContainer [2021-10-28 23:51:26,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:51:26,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:51:26,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:51:26,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:51:26,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:51:23" (1/3) ... [2021-10-28 23:51:26,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57de299c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:26, skipping insertion in model container [2021-10-28 23:51:26,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:24" (2/3) ... [2021-10-28 23:51:26,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57de299c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:26, skipping insertion in model container [2021-10-28 23:51:26,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:26" (3/3) ... [2021-10-28 23:51:26,271 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test3-2.i [2021-10-28 23:51:26,278 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:51:26,278 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-10-28 23:51:26,344 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:51:26,356 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 [2021-10-28 23:51:26,356 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-10-28 23:51:26,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 55 states have (on average 1.509090909090909) internal successors, (83), 76 states have internal predecessors, (83), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-10-28 23:51:26,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:51:26,401 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:26,406 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:26,407 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:51:26,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:26,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1115971593, now seen corresponding path program 1 times [2021-10-28 23:51:26,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:51:26,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227352470] [2021-10-28 23:51:26,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:26,434 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:51:26,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:51:26,435 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:51:26,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:51:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:26,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:51:26,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:51:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:26,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:51:27,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:27,129 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:51:27,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227352470] [2021-10-28 23:51:27,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227352470] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:27,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:27,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-10-28 23:51:27,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137953157] [2021-10-28 23:51:27,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:51:27,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:51:27,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:51:27,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:51:27,173 INFO L87 Difference]: Start difference. First operand has 100 states, 55 states have (on average 1.509090909090909) internal successors, (83), 76 states have internal predecessors, (83), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:51:27,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:27,245 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2021-10-28 23:51:27,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:51:27,248 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2021-10-28 23:51:27,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:27,259 INFO L225 Difference]: With dead ends: 29 [2021-10-28 23:51:27,259 INFO L226 Difference]: Without dead ends: 26 [2021-10-28 23:51:27,261 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:51:27,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-28 23:51:27,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-28 23:51:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-28 23:51:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2021-10-28 23:51:27,305 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 18 [2021-10-28 23:51:27,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:27,306 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-10-28 23:51:27,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:51:27,306 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-10-28 23:51:27,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:51:27,308 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:27,308 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:27,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:27,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:51:27,522 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:51:27,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:27,523 INFO L85 PathProgramCache]: Analyzing trace with hash -235380623, now seen corresponding path program 1 times [2021-10-28 23:51:27,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:51:27,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1404371741] [2021-10-28 23:51:27,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:27,524 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:51:27,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:51:27,526 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:51:27,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:51:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:27,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:51:27,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:51:28,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:28,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:51:28,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:28,351 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:51:28,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1404371741] [2021-10-28 23:51:28,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1404371741] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:28,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:28,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 12 [2021-10-28 23:51:28,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435051586] [2021-10-28 23:51:28,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-28 23:51:28,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:51:28,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 23:51:28,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:51:28,356 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 9 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-28 23:51:28,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:28,748 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2021-10-28 23:51:28,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:51:28,750 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 9 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 19 [2021-10-28 23:51:28,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:28,753 INFO L225 Difference]: With dead ends: 37 [2021-10-28 23:51:28,754 INFO L226 Difference]: Without dead ends: 37 [2021-10-28 23:51:28,755 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:51:28,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-28 23:51:28,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2021-10-28 23:51:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 23:51:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2021-10-28 23:51:28,770 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 19 [2021-10-28 23:51:28,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:28,771 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2021-10-28 23:51:28,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 9 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) [2021-10-28 23:51:28,772 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2021-10-28 23:51:28,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 23:51:28,775 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:28,775 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:28,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-28 23:51:28,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:51:28,989 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:51:28,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:28,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1293135673, now seen corresponding path program 1 times [2021-10-28 23:51:28,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:51:28,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053313441] [2021-10-28 23:51:28,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:28,991 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:51:28,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:51:28,993 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:51:28,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:51:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:29,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:51:29,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:51:29,271 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 [2021-10-28 23:51:29,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:29,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:51:29,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:29,565 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:51:29,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053313441] [2021-10-28 23:51:29,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053313441] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:29,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:29,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-10-28 23:51:29,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661544504] [2021-10-28 23:51:29,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:51:29,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:51:29,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:51:29,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:51:29,568 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:51:29,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:29,667 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2021-10-28 23:51:29,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:51:29,683 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-28 23:51:29,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:29,684 INFO L225 Difference]: With dead ends: 35 [2021-10-28 23:51:29,684 INFO L226 Difference]: Without dead ends: 35 [2021-10-28 23:51:29,684 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:51:29,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-28 23:51:29,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-28 23:51:29,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 23:51:29,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2021-10-28 23:51:29,691 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 20 [2021-10-28 23:51:29,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:29,691 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2021-10-28 23:51:29,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:51:29,692 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2021-10-28 23:51:29,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 23:51:29,693 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:29,693 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:29,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:29,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:51:29,894 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:51:29,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:29,895 INFO L85 PathProgramCache]: Analyzing trace with hash -503815686, now seen corresponding path program 1 times [2021-10-28 23:51:29,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:51:29,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520765812] [2021-10-28 23:51:29,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:29,896 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:51:29,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:51:29,897 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:51:29,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 23:51:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:30,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 23:51:30,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:51:30,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:30,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:51:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:30,551 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:51:30,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520765812] [2021-10-28 23:51:30,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [520765812] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:30,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:30,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-10-28 23:51:30,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996777589] [2021-10-28 23:51:30,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:51:30,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:51:30,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:51:30,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:51:30,555 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:51:30,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:30,600 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2021-10-28 23:51:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:51:30,601 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-10-28 23:51:30,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:30,604 INFO L225 Difference]: With dead ends: 33 [2021-10-28 23:51:30,605 INFO L226 Difference]: Without dead ends: 33 [2021-10-28 23:51:30,608 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:51:30,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-28 23:51:30,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2021-10-28 23:51:30,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 5 states have call successors, (5), 5 states have call predecessors, (5), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-28 23:51:30,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2021-10-28 23:51:30,622 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 20 [2021-10-28 23:51:30,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:30,623 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2021-10-28 23:51:30,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-28 23:51:30,623 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2021-10-28 23:51:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 23:51:30,625 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:30,626 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:51:30,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:30,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:51:30,838 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:51:30,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:30,838 INFO L85 PathProgramCache]: Analyzing trace with hash -503568140, now seen corresponding path program 1 times [2021-10-28 23:51:30,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:51:30,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016347162] [2021-10-28 23:51:30,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:30,853 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:51:30,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:51:30,858 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:51:30,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 23:51:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:31,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:51:31,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:51:31,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:31,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:51:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:31,383 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:51:31,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016347162] [2021-10-28 23:51:31,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016347162] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:31,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:31,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 23:51:31,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729251951] [2021-10-28 23:51:31,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:51:31,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:51:31,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:51:31,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:51:31,386 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 23:51:31,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:51:31,424 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2021-10-28 23:51:31,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:51:31,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 20 [2021-10-28 23:51:31,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:51:31,427 INFO L225 Difference]: With dead ends: 34 [2021-10-28 23:51:31,428 INFO L226 Difference]: Without dead ends: 24 [2021-10-28 23:51:31,428 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:51:31,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-10-28 23:51:31,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-10-28 23:51:31,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.0) internal successors, (14), 14 states have internal predecessors, (14), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-10-28 23:51:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2021-10-28 23:51:31,438 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 20 [2021-10-28 23:51:31,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:51:31,439 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2021-10-28 23:51:31,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-28 23:51:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2021-10-28 23:51:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 23:51:31,441 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:51:31,442 INFO L513 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, 1] [2021-10-28 23:51:31,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:51:31,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:51:31,656 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-10-28 23:51:31,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:51:31,657 INFO L85 PathProgramCache]: Analyzing trace with hash -2051414223, now seen corresponding path program 1 times [2021-10-28 23:51:31,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:51:31,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156623447] [2021-10-28 23:51:31,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:51:31,657 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:51:31,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:51:31,660 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:51:31,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 23:51:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:51:31,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 23:51:31,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:51:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:32,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:51:45,622 INFO L354 Elim1Store]: treesize reduction 16, result has 78.1 percent of original size [2021-10-28 23:51:45,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 89 treesize of output 136 [2021-10-28 23:51:46,387 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:51:46,388 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 43 treesize of output 47 [2021-10-28 23:51:46,844 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 10 treesize of output 8 [2021-10-28 23:51:47,515 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-28 23:51:47,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 109 [2021-10-28 23:51:50,371 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_4 (_ BitVec 32))) (= (_ bv0 1) (select (store |c_#valid| |c_h_safe_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_4))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|)))))))))) is different from true [2021-10-28 23:51:52,409 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_4 (_ BitVec 32))) (= (_ bv0 1) (bvneg (select (store |c_#valid| |c_h_safe_#t~ret38.base| (_ bv0 1)) v_antiDerIndex_entry0_4)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|)))))))))) is different from true [2021-10-28 23:51:54,485 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_4 (_ BitVec 32)) (|v_h_safe_#t~ret38.base_66| (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_h_safe_#t~ret38.base_66|)))) (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_antiDerIndex_entry0_4)))))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|)))))))))) is different from true [2021-10-28 23:51:56,528 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_antiDerIndex_entry0_4 (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) v_antiDerIndex_entry0_4))))) (exists ((v_antiDerIndex_entry0_4 (_ BitVec 32)) (|v_h_safe_#t~ret38.base_66| (_ BitVec 32))) (and (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_old(#valid)| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_antiDerIndex_entry0_4))))) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_h_safe_#t~ret38.base_66|)))))) (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|))))))))))) is different from true [2021-10-28 23:51:58,635 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_antiDerIndex_entry0_4 (_ BitVec 32)) (|v_h_safe_#t~ret38.base_66| (_ BitVec 32))) (and (not (= (_ bv0 1) (bvneg (bvneg (select (store |c_old(#valid)| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_antiDerIndex_entry0_4))))) (= (_ bv0 1) (bvneg (bvneg (select |c_old(#valid)| |v_h_safe_#t~ret38.base_66|)))))) (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1)))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|)))))))))) (forall ((|v_ldv_malloc_#res.base_55| (_ BitVec 32)) (v_antiDerIndex_entry0_4 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_55|)))) (= (_ bv0 1) (bvneg (bvneg (select (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ bv0 1)) v_antiDerIndex_entry0_4))))))) is different from true [2021-10-28 23:51:58,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:51:58,707 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:51:58,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156623447] [2021-10-28 23:51:58,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156623447] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:51:58,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:51:58,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 12] imperfect sequences [] total 18 [2021-10-28 23:51:58,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259054633] [2021-10-28 23:51:58,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-28 23:51:58,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:51:58,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-28 23:51:58,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=119, Unknown=39, NotChecked=140, Total=342 [2021-10-28 23:51:58,711 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand has 19 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 12 states have internal predecessors, (26), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-28 23:52:26,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:52:26,627 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2021-10-28 23:52:26,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:52:26,628 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 12 states have internal predecessors, (26), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 23 [2021-10-28 23:52:26,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:52:26,628 INFO L225 Difference]: With dead ends: 23 [2021-10-28 23:52:26,628 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:52:26,629 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 26.7s TimeCoverageRelationStatistics Valid=55, Invalid=153, Unknown=52, NotChecked=160, Total=420 [2021-10-28 23:52:26,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:52:26,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:52:26,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:52:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:52:26,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-28 23:52:26,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:52:26,631 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:52:26,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 12 states have internal predecessors, (26), 5 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-28 23:52:26,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:52:26,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:52:26,634 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,635 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-28 23:52:26,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-28 23:52:26,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-28 23:52:26,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-28 23:52:26,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,637 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-28 23:52:26,638 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-28 23:52:26,638 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-28 23:52:26,638 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-28 23:52:26,638 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-28 23:52:26,639 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-28 23:52:26,639 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,639 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,639 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,639 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,640 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:52:26,640 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:52:26,640 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,640 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,640 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-28 23:52:26,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-28 23:52:26,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,641 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,642 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-28 23:52:26,642 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-28 23:52:26,642 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-28 23:52:26,642 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-28 23:52:26,642 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,643 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,643 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,643 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,644 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,644 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,644 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,644 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,645 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,645 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,645 INFO L764 garLoopResultBuilder]: Registering result SAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 23:52:26,646 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,646 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,646 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-28 23:52:26,646 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-28 23:52:26,647 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-28 23:52:26,647 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-28 23:52:26,647 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,647 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,648 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,648 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,648 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,649 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,649 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,649 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,649 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,650 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,650 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,650 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,650 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-28 23:52:26,651 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-28 23:52:26,651 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-28 23:52:26,651 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-28 23:52:26,652 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,652 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,652 INFO L764 garLoopResultBuilder]: Registering result SAFE for location entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:52:26,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:52:26,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:52:26,870 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-28 23:52:26,873 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:52:26,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:52:26 BoogieIcfgContainer [2021-10-28 23:52:26,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:52:26,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:52:26,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:52:26,888 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:52:26,888 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:26" (3/4) ... [2021-10-28 23:52:26,898 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:52:26,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2021-10-28 23:52:26,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:52:26,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2021-10-28 23:52:26,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2021-10-28 23:52:26,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2021-10-28 23:52:26,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2021-10-28 23:52:26,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2021-10-28 23:52:26,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2021-10-28 23:52:26,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2021-10-28 23:52:26,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2021-10-28 23:52:26,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2021-10-28 23:52:26,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2021-10-28 23:52:26,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2021-10-28 23:52:26,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2021-10-28 23:52:26,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2021-10-28 23:52:26,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-10-28 23:52:26,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2021-10-28 23:52:26,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2021-10-28 23:52:26,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2021-10-28 23:52:26,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2021-10-28 23:52:26,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2021-10-28 23:52:26,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2021-10-28 23:52:26,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2021-10-28 23:52:26,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2021-10-28 23:52:26,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2021-10-28 23:52:26,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2021-10-28 23:52:26,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2021-10-28 23:52:26,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2021-10-28 23:52:26,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2021-10-28 23:52:26,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-10-28 23:52:26,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2021-10-28 23:52:26,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2021-10-28 23:52:26,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2021-10-28 23:52:26,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2021-10-28 23:52:26,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2021-10-28 23:52:26,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2021-10-28 23:52:26,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-10-28 23:52:26,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2021-10-28 23:52:26,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure h_safe [2021-10-28 23:52:26,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2021-10-28 23:52:26,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2021-10-28 23:52:26,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-10-28 23:52:26,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2021-10-28 23:52:26,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2021-10-28 23:52:26,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2021-10-28 23:52:26,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2021-10-28 23:52:26,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2021-10-28 23:52:26,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2021-10-28 23:52:26,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 23:52:26,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:52:26,925 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:52:26,925 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:52:26,975 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:52:26,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:52:26,976 INFO L168 Benchmark]: Toolchain (without parser) took 63641.66 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 40.3 MB in the beginning and 28.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:52:26,977 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 62.9 MB. Free memory is still 43.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:52:26,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 928.72 ms. Allocated memory is still 62.9 MB. Free memory was 40.2 MB in the beginning and 28.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:52:26,978 INFO L168 Benchmark]: Boogie Preprocessor took 194.13 ms. Allocated memory is still 62.9 MB. Free memory was 28.1 MB in the beginning and 41.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:52:26,979 INFO L168 Benchmark]: RCFGBuilder took 1801.08 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 41.3 MB in the beginning and 49.6 MB in the end (delta: -8.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:52:26,979 INFO L168 Benchmark]: TraceAbstraction took 60620.28 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 49.2 MB in the beginning and 35.1 MB in the end (delta: 14.2 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:52:26,980 INFO L168 Benchmark]: Witness Printer took 87.65 ms. Allocated memory is still 98.6 MB. Free memory was 35.1 MB in the beginning and 28.9 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:52:26,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 62.9 MB. Free memory is still 43.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 928.72 ms. Allocated memory is still 62.9 MB. Free memory was 40.2 MB in the beginning and 28.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 194.13 ms. Allocated memory is still 62.9 MB. Free memory was 28.1 MB in the beginning and 41.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1801.08 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 41.3 MB in the beginning and 49.6 MB in the end (delta: -8.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 60620.28 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 49.2 MB in the beginning and 35.1 MB in the end (delta: 14.2 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * Witness Printer took 87.65 ms. Allocated memory is still 98.6 MB. Free memory was 35.1 MB in the beginning and 28.9 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * 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 - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 764]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 340 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 60.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 28.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 132 SDtfs, 45 SDslu, 445 SDs, 0 SdLazy, 398 SolverSat, 23 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 24.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 185 SyntacticMatches, 9 SemanticMatches, 46 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 27.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=0, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 28.9s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 228 ConstructedInterpolants, 20 QuantifiedInterpolants, 1446 SizeOfPredicates, 2 NumberOfNonLiveVariables, 446 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-28 23:52:27,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebc2fa60-97bc-42c2-97b9-793cac9e86e7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...