./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/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_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/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 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 ................................................................................................................................. 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_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/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_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/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 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:02:42,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:02:42,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:02:42,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:02:42,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:02:42,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:02:42,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:02:42,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:02:42,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:02:42,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:02:42,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:02:42,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:02:42,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:02:42,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:02:42,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:02:42,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:02:42,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:02:42,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:02:42,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:02:42,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:02:42,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:02:42,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:02:42,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:02:42,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:02:42,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:02:42,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:02:42,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:02:42,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:02:42,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:02:42,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:02:42,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:02:42,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:02:42,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:02:42,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:02:42,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:02:42,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:02:42,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:02:42,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:02:42,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:02:42,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:02:42,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:02:42,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-28 23:02:42,535 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:02:42,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:02:42,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:02:42,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:02:42,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:02:42,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:02:42,539 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:02:42,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:02:42,539 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:02:42,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:02:42,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:02:42,540 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:02:42,541 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:02:42,541 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:02:42,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:02:42,542 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:02:42,542 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:02:42,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:02:42,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:02:42,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:02:42,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:02:42,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:02:42,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:02:42,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:02:42,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:02:42,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:02:42,545 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_eb69ac89-a940-4ff8-9d9c-adab48c1407b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2021-10-28 23:02:42,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:02:42,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:02:42,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:02:42,880 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:02:42,881 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:02:42,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-10-28 23:02:42,968 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/data/8e3566e7d/4f76def3fc5241f6afd679f3d9e62905/FLAGc3e8aa1fd [2021-10-28 23:02:43,766 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:02:43,773 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-10-28 23:02:43,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/data/8e3566e7d/4f76def3fc5241f6afd679f3d9e62905/FLAGc3e8aa1fd [2021-10-28 23:02:43,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/data/8e3566e7d/4f76def3fc5241f6afd679f3d9e62905 [2021-10-28 23:02:43,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:02:43,929 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:02:43,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:02:43,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:02:43,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:02:43,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:02:43" (1/1) ... [2021-10-28 23:02:43,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22784c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:43, skipping insertion in model container [2021-10-28 23:02:43,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:02:43" (1/1) ... [2021-10-28 23:02:43,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:02:44,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:02:44,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-10-28 23:02:44,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:02:45,025 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 23:02:45,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69a8a502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:45, skipping insertion in model container [2021-10-28 23:02:45,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:02:45,027 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 23:02:45,030 INFO L168 Benchmark]: Toolchain (without parser) took 1099.30 ms. Allocated memory is still 102.8 MB. Free memory was 68.2 MB in the beginning and 69.2 MB in the end (delta: -975.3 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:45,032 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 102.8 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:02:45,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1093.85 ms. Allocated memory is still 102.8 MB. Free memory was 68.1 MB in the beginning and 69.2 MB in the end (delta: -1.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:45,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 102.8 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1093.85 ms. Allocated memory is still 102.8 MB. Free memory was 68.1 MB in the beginning and 69.2 MB in the end (delta: -1.1 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: 1515]: 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 23:02:47,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:02:47,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:02:47,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:02:47,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:02:48,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:02:48,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:02:48,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:02:48,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:02:48,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:02:48,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:02:48,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:02:48,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:02:48,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:02:48,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:02:48,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:02:48,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:02:48,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:02:48,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:02:48,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:02:48,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:02:48,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:02:48,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:02:48,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:02:48,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:02:48,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:02:48,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:02:48,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:02:48,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:02:48,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:02:48,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:02:48,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:02:48,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:02:48,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:02:48,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:02:48,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:02:48,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:02:48,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:02:48,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:02:48,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:02:48,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:02:48,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-28 23:02:48,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:02:48,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:02:48,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:02:48,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:02:48,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:02:48,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:02:48,191 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:02:48,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:02:48,191 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:02:48,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:02:48,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:02:48,194 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 23:02:48,194 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 23:02:48,194 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 23:02:48,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:02:48,195 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 23:02:48,195 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:02:48,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:02:48,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:02:48,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:02:48,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:02:48,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:02:48,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:02:48,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:02:48,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:02:48,198 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:02:48,198 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:02:48,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:02:48,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:02:48,199 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_eb69ac89-a940-4ff8-9d9c-adab48c1407b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2021-10-28 23:02:48,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:02:48,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:02:48,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:02:48,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:02:48,761 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:02:48,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-10-28 23:02:48,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/data/020f2a728/b85306e17f5e455f815e5b3ae7a57d79/FLAGb08debb0e [2021-10-28 23:02:49,774 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:02:49,775 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-10-28 23:02:49,809 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/data/020f2a728/b85306e17f5e455f815e5b3ae7a57d79/FLAGb08debb0e [2021-10-28 23:02:49,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/data/020f2a728/b85306e17f5e455f815e5b3ae7a57d79 [2021-10-28 23:02:49,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:02:49,890 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 23:02:49,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:02:49,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:02:49,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:02:49,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:02:49" (1/1) ... [2021-10-28 23:02:49,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1233f15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:49, skipping insertion in model container [2021-10-28 23:02:49,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:02:49" (1/1) ... [2021-10-28 23:02:49,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:02:50,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:02:51,011 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-10-28 23:02:51,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:02:51,167 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-28 23:02:51,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:02:51,273 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-10-28 23:02:51,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:02:51,322 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:02:51,412 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-10-28 23:02:51,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:02:51,619 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:02:51,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:51 WrapperNode [2021-10-28 23:02:51,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:02:51,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:02:51,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:02:51,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:02:51,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:51" (1/1) ... [2021-10-28 23:02:51,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:51" (1/1) ... [2021-10-28 23:02:51,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:51" (1/1) ... [2021-10-28 23:02:51,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:51" (1/1) ... [2021-10-28 23:02:51,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:51" (1/1) ... [2021-10-28 23:02:51,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:51" (1/1) ... [2021-10-28 23:02:51,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:51" (1/1) ... [2021-10-28 23:02:51,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:02:51,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:02:51,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:02:51,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:02:51,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:51" (1/1) ... [2021-10-28 23:02:51,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:02:51,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:51,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:51,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:02:52,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-28 23:02:52,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:02:52,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:02:52,026 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-28 23:02:52,026 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-10-28 23:02:52,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-28 23:02:52,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-28 23:02:52,029 INFO L138 BoogieDeclarations]: Found implementation of procedure syslog [2021-10-28 23:02:52,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2021-10-28 23:02:52,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_nostrip [2021-10-28 23:02:52,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_strip [2021-10-28 23:02:52,030 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2021-10-28 23:02:52,030 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2021-10-28 23:02:52,030 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2021-10-28 23:02:52,030 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_write [2021-10-28 23:02:52,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getutent [2021-10-28 23:02:52,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2021-10-28 23:02:52,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt_long [2021-10-28 23:02:52,031 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2021-10-28 23:02:52,031 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2021-10-28 23:02:52,031 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2021-10-28 23:02:52,031 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-28 23:02:52,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-10-28 23:02:52,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-10-28 23:02:52,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-28 23:02:52,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-10-28 23:02:52,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2021-10-28 23:02:52,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2021-10-28 23:02:52,033 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-28 23:02:52,033 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-28 23:02:52,033 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-10-28 23:02:52,033 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-10-28 23:02:52,034 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-10-28 23:02:52,034 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-10-28 23:02:52,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:02:52,034 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-28 23:02:52,034 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-28 23:02:52,034 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_b_loc [2021-10-28 23:02:52,035 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_tolower_loc [2021-10-28 23:02:52,035 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_toupper_loc [2021-10-28 23:02:52,035 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum [2021-10-28 23:02:52,035 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha [2021-10-28 23:02:52,036 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl [2021-10-28 23:02:52,036 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit [2021-10-28 23:02:52,036 INFO L130 BoogieDeclarations]: Found specification of procedure islower [2021-10-28 23:02:52,036 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph [2021-10-28 23:02:52,037 INFO L130 BoogieDeclarations]: Found specification of procedure isprint [2021-10-28 23:02:52,037 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct [2021-10-28 23:02:52,037 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2021-10-28 23:02:52,037 INFO L130 BoogieDeclarations]: Found specification of procedure isupper [2021-10-28 23:02:52,037 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit [2021-10-28 23:02:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure tolower [2021-10-28 23:02:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure toupper [2021-10-28 23:02:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure isblank [2021-10-28 23:02:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2021-10-28 23:02:52,039 INFO L130 BoogieDeclarations]: Found specification of procedure toascii [2021-10-28 23:02:52,039 INFO L130 BoogieDeclarations]: Found specification of procedure _toupper [2021-10-28 23:02:52,039 INFO L130 BoogieDeclarations]: Found specification of procedure _tolower [2021-10-28 23:02:52,039 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum_l [2021-10-28 23:02:52,039 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha_l [2021-10-28 23:02:52,040 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl_l [2021-10-28 23:02:52,040 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit_l [2021-10-28 23:02:52,041 INFO L130 BoogieDeclarations]: Found specification of procedure islower_l [2021-10-28 23:02:52,042 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph_l [2021-10-28 23:02:52,042 INFO L130 BoogieDeclarations]: Found specification of procedure isprint_l [2021-10-28 23:02:52,043 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct_l [2021-10-28 23:02:52,043 INFO L130 BoogieDeclarations]: Found specification of procedure isspace_l [2021-10-28 23:02:52,043 INFO L130 BoogieDeclarations]: Found specification of procedure isupper_l [2021-10-28 23:02:52,043 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit_l [2021-10-28 23:02:52,043 INFO L130 BoogieDeclarations]: Found specification of procedure isblank_l [2021-10-28 23:02:52,044 INFO L130 BoogieDeclarations]: Found specification of procedure __tolower_l [2021-10-28 23:02:52,044 INFO L130 BoogieDeclarations]: Found specification of procedure tolower_l [2021-10-28 23:02:52,044 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper_l [2021-10-28 23:02:52,044 INFO L130 BoogieDeclarations]: Found specification of procedure toupper_l [2021-10-28 23:02:52,044 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2021-10-28 23:02:52,045 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long [2021-10-28 23:02:52,045 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long_only [2021-10-28 23:02:52,046 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-28 23:02:52,046 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2021-10-28 23:02:52,046 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2021-10-28 23:02:52,046 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-28 23:02:52,046 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-10-28 23:02:52,047 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2021-10-28 23:02:52,047 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-10-28 23:02:52,047 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-10-28 23:02:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-10-28 23:02:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2021-10-28 23:02:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-10-28 23:02:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-10-28 23:02:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2021-10-28 23:02:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2021-10-28 23:02:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2021-10-28 23:02:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2021-10-28 23:02:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2021-10-28 23:02:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2021-10-28 23:02:52,050 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2021-10-28 23:02:52,050 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-10-28 23:02:52,050 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2021-10-28 23:02:52,050 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2021-10-28 23:02:52,051 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2021-10-28 23:02:52,051 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-10-28 23:02:52,051 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2021-10-28 23:02:52,051 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2021-10-28 23:02:52,051 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2021-10-28 23:02:52,051 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2021-10-28 23:02:52,052 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-10-28 23:02:52,052 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2021-10-28 23:02:52,052 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2021-10-28 23:02:52,052 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2021-10-28 23:02:52,052 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2021-10-28 23:02:52,053 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2021-10-28 23:02:52,053 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2021-10-28 23:02:52,053 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2021-10-28 23:02:52,053 INFO L130 BoogieDeclarations]: Found specification of procedure index [2021-10-28 23:02:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2021-10-28 23:02:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-10-28 23:02:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-10-28 23:02:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2021-10-28 23:02:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2021-10-28 23:02:52,055 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2021-10-28 23:02:52,055 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2021-10-28 23:02:52,055 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2021-10-28 23:02:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2021-10-28 23:02:52,057 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2021-10-28 23:02:52,059 INFO L130 BoogieDeclarations]: Found specification of procedure access [2021-10-28 23:02:52,060 INFO L130 BoogieDeclarations]: Found specification of procedure faccessat [2021-10-28 23:02:52,060 INFO L130 BoogieDeclarations]: Found specification of procedure lseek [2021-10-28 23:02:52,060 INFO L130 BoogieDeclarations]: Found specification of procedure close [2021-10-28 23:02:52,061 INFO L130 BoogieDeclarations]: Found specification of procedure read [2021-10-28 23:02:52,061 INFO L130 BoogieDeclarations]: Found specification of procedure write [2021-10-28 23:02:52,062 INFO L130 BoogieDeclarations]: Found specification of procedure pread [2021-10-28 23:02:52,062 INFO L130 BoogieDeclarations]: Found specification of procedure pwrite [2021-10-28 23:02:52,063 INFO L130 BoogieDeclarations]: Found specification of procedure pipe [2021-10-28 23:02:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure alarm [2021-10-28 23:02:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-10-28 23:02:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure ualarm [2021-10-28 23:02:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure usleep [2021-10-28 23:02:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure pause [2021-10-28 23:02:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure chown [2021-10-28 23:02:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure fchown [2021-10-28 23:02:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure lchown [2021-10-28 23:02:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure fchownat [2021-10-28 23:02:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure chdir [2021-10-28 23:02:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure fchdir [2021-10-28 23:02:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure getcwd [2021-10-28 23:02:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure getwd [2021-10-28 23:02:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure dup [2021-10-28 23:02:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure dup2 [2021-10-28 23:02:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure execve [2021-10-28 23:02:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure fexecve [2021-10-28 23:02:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure execv [2021-10-28 23:02:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure execle [2021-10-28 23:02:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure execl [2021-10-28 23:02:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure execvp [2021-10-28 23:02:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure execlp [2021-10-28 23:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure nice [2021-10-28 23:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure _exit [2021-10-28 23:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure pathconf [2021-10-28 23:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure fpathconf [2021-10-28 23:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure sysconf [2021-10-28 23:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure confstr [2021-10-28 23:02:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure getpid [2021-10-28 23:02:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure getppid [2021-10-28 23:02:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure getpgrp [2021-10-28 23:02:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure __getpgid [2021-10-28 23:02:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure getpgid [2021-10-28 23:02:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure setpgid [2021-10-28 23:02:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure setpgrp [2021-10-28 23:02:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure setsid [2021-10-28 23:02:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure getsid [2021-10-28 23:02:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure getuid [2021-10-28 23:02:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure geteuid [2021-10-28 23:02:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure getgid [2021-10-28 23:02:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure getegid [2021-10-28 23:02:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure getgroups [2021-10-28 23:02:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure setuid [2021-10-28 23:02:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure setreuid [2021-10-28 23:02:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure seteuid [2021-10-28 23:02:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure setgid [2021-10-28 23:02:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure setregid [2021-10-28 23:02:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure setegid [2021-10-28 23:02:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure fork [2021-10-28 23:02:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure vfork [2021-10-28 23:02:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname [2021-10-28 23:02:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname_r [2021-10-28 23:02:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2021-10-28 23:02:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure ttyslot [2021-10-28 23:02:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure link [2021-10-28 23:02:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure linkat [2021-10-28 23:02:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure symlink [2021-10-28 23:02:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure readlink [2021-10-28 23:02:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure symlinkat [2021-10-28 23:02:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure readlinkat [2021-10-28 23:02:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure unlink [2021-10-28 23:02:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure unlinkat [2021-10-28 23:02:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure rmdir [2021-10-28 23:02:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetpgrp [2021-10-28 23:02:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure tcsetpgrp [2021-10-28 23:02:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin [2021-10-28 23:02:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin_r [2021-10-28 23:02:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure setlogin [2021-10-28 23:02:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure gethostname [2021-10-28 23:02:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure sethostname [2021-10-28 23:02:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure sethostid [2021-10-28 23:02:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure getdomainname [2021-10-28 23:02:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure setdomainname [2021-10-28 23:02:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure vhangup [2021-10-28 23:02:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure revoke [2021-10-28 23:02:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure profil [2021-10-28 23:02:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure acct [2021-10-28 23:02:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure getusershell [2021-10-28 23:02:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure endusershell [2021-10-28 23:02:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure setusershell [2021-10-28 23:02:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure daemon [2021-10-28 23:02:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure chroot [2021-10-28 23:02:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure getpass [2021-10-28 23:02:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure fsync [2021-10-28 23:02:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure gethostid [2021-10-28 23:02:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure sync [2021-10-28 23:02:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure getpagesize [2021-10-28 23:02:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure getdtablesize [2021-10-28 23:02:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure truncate [2021-10-28 23:02:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure ftruncate [2021-10-28 23:02:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure brk [2021-10-28 23:02:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure sbrk [2021-10-28 23:02:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure syscall [2021-10-28 23:02:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2021-10-28 23:02:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure fdatasync [2021-10-28 23:02:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-28 23:02:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-28 23:02:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-28 23:02:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-28 23:02:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-28 23:02:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-28 23:02:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-28 23:02:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-28 23:02:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-28 23:02:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-28 23:02:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-28 23:02:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-28 23:02:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-28 23:02:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-28 23:02:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-28 23:02:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-28 23:02:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-28 23:02:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-28 23:02:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-28 23:02:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-28 23:02:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-28 23:02:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-28 23:02:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-28 23:02:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-28 23:02:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-28 23:02:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-28 23:02:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-28 23:02:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-28 23:02:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-28 23:02:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-28 23:02:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-28 23:02:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-28 23:02:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-28 23:02:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-28 23:02:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-28 23:02:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-28 23:02:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-28 23:02:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-28 23:02:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-28 23:02:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-28 23:02:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-28 23:02:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-28 23:02:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-28 23:02:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-28 23:02:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-28 23:02:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-28 23:02:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-28 23:02:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-28 23:02:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-28 23:02:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-28 23:02:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-28 23:02:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-28 23:02:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-28 23:02:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-28 23:02:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-10-28 23:02:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-28 23:02:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-28 23:02:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-28 23:02:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-28 23:02:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-28 23:02:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-28 23:02:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-28 23:02:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-28 23:02:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-28 23:02:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-28 23:02:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-28 23:02:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-28 23:02:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-28 23:02:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-28 23:02:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-28 23:02:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-28 23:02:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-28 23:02:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-28 23:02:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-28 23:02:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-28 23:02:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-28 23:02:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-28 23:02:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-28 23:02:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-28 23:02:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-28 23:02:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-28 23:02:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-28 23:02:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-28 23:02:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-28 23:02:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-28 23:02:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-28 23:02:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-28 23:02:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-28 23:02:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-28 23:02:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-28 23:02:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-28 23:02:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-28 23:02:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-28 23:02:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-28 23:02:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-28 23:02:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-28 23:02:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-28 23:02:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-28 23:02:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-28 23:02:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure gettimeofday [2021-10-28 23:02:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure settimeofday [2021-10-28 23:02:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure adjtime [2021-10-28 23:02:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure getitimer [2021-10-28 23:02:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure setitimer [2021-10-28 23:02:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2021-10-28 23:02:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure lutimes [2021-10-28 23:02:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure futimes [2021-10-28 23:02:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure login_tty [2021-10-28 23:02:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure login [2021-10-28 23:02:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure logout [2021-10-28 23:02:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure logwtmp [2021-10-28 23:02:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure updwtmp [2021-10-28 23:02:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure utmpname [2021-10-28 23:02:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure getutent [2021-10-28 23:02:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure setutent [2021-10-28 23:02:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure endutent [2021-10-28 23:02:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure getutid [2021-10-28 23:02:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure getutline [2021-10-28 23:02:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure pututline [2021-10-28 23:02:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure getutent_r [2021-10-28 23:02:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure getutid_r [2021-10-28 23:02:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure getutline_r [2021-10-28 23:02:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_nostrip [2021-10-28 23:02:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_strip [2021-10-28 23:02:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2021-10-28 23:02:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2021-10-28 23:02:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2021-10-28 23:02:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure safe_write [2021-10-28 23:02:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure syslog [2021-10-28 23:02:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2021-10-28 23:02:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 23:02:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-28 23:02:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-28 23:02:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 23:02:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 23:02:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-28 23:02:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2021-10-28 23:02:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:02:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:02:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-28 23:02:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:02:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-28 23:02:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 23:02:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-28 23:02:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:02:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-28 23:02:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-28 23:02:55,122 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:02:55,124 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-28 23:02:55,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:02:55 BoogieIcfgContainer [2021-10-28 23:02:55,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:02:55,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:02:55,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:02:55,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:02:55,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:02:49" (1/3) ... [2021-10-28 23:02:55,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccdc93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:02:55, skipping insertion in model container [2021-10-28 23:02:55,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:02:51" (2/3) ... [2021-10-28 23:02:55,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccdc93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:02:55, skipping insertion in model container [2021-10-28 23:02:55,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:02:55" (3/3) ... [2021-10-28 23:02:55,136 INFO L111 eAbstractionObserver]: Analyzing ICFG basename-2.i [2021-10-28 23:02:55,141 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:02:55,141 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2021-10-28 23:02:55,187 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:02:55,193 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 23:02:55,193 INFO L340 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2021-10-28 23:02:55,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 310 states, 182 states have (on average 1.8296703296703296) internal successors, (333), 283 states have internal predecessors, (333), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-10-28 23:02:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-28 23:02:55,226 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:02:55,227 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:02:55,227 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-10-28 23:02:55,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:55,233 INFO L85 PathProgramCache]: Analyzing trace with hash 2061788052, now seen corresponding path program 1 times [2021-10-28 23:02:55,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:02:55,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169533597] [2021-10-28 23:02:55,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:55,250 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:02:55,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:02:55,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:02:55,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:02:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:55,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:02:55,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:55,808 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 23:02:55,831 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 23:02:55,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:02:55,900 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 23:02:55,900 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:02:55,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169533597] [2021-10-28 23:02:55,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169533597] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:02:55,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:02:55,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 23:02:55,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312818232] [2021-10-28 23:02:55,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:02:55,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:02:55,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:02:55,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:02:55,924 INFO L87 Difference]: Start difference. First operand has 310 states, 182 states have (on average 1.8296703296703296) internal successors, (333), 283 states have internal predecessors, (333), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 23:02:56,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:02:56,747 INFO L93 Difference]: Finished difference Result 289 states and 325 transitions. [2021-10-28 23:02:56,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:02:56,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2021-10-28 23:02:56,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:02:56,760 INFO L225 Difference]: With dead ends: 289 [2021-10-28 23:02:56,761 INFO L226 Difference]: Without dead ends: 286 [2021-10-28 23:02:56,762 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 23:02:56,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-10-28 23:02:56,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 270. [2021-10-28 23:02:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 158 states have (on average 1.7974683544303798) internal successors, (284), 249 states have internal predecessors, (284), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-10-28 23:02:56,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 305 transitions. [2021-10-28 23:02:56,826 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 305 transitions. Word has length 7 [2021-10-28 23:02:56,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:02:56,826 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 305 transitions. [2021-10-28 23:02:56,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 23:02:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 305 transitions. [2021-10-28 23:02:56,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-28 23:02:56,827 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:02:56,827 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:02:56,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:57,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:02:57,029 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-10-28 23:02:57,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:57,030 INFO L85 PathProgramCache]: Analyzing trace with hash 2061788053, now seen corresponding path program 1 times [2021-10-28 23:02:57,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:02:57,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143799915] [2021-10-28 23:02:57,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:57,031 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:02:57,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:02:57,033 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:02:57,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:02:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:57,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:02:57,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:57,488 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 23:02:57,505 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 23:02:57,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:02:57,673 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 23:02:57,673 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:02:57,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143799915] [2021-10-28 23:02:57,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143799915] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:02:57,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:02:57,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-28 23:02:57,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925706971] [2021-10-28 23:02:57,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:02:57,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:02:57,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:02:57,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:02:57,677 INFO L87 Difference]: Start difference. First operand 270 states and 305 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 23:02:59,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:02:59,634 INFO L93 Difference]: Finished difference Result 269 states and 304 transitions. [2021-10-28 23:02:59,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:02:59,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2021-10-28 23:02:59,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:02:59,639 INFO L225 Difference]: With dead ends: 269 [2021-10-28 23:02:59,639 INFO L226 Difference]: Without dead ends: 269 [2021-10-28 23:02:59,639 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:02:59,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2021-10-28 23:02:59,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2021-10-28 23:02:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 158 states have (on average 1.7911392405063291) internal successors, (283), 248 states have internal predecessors, (283), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-10-28 23:02:59,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 304 transitions. [2021-10-28 23:02:59,661 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 304 transitions. Word has length 7 [2021-10-28 23:02:59,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:02:59,661 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 304 transitions. [2021-10-28 23:02:59,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 23:02:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 304 transitions. [2021-10-28 23:02:59,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-28 23:02:59,662 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:02:59,662 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:02:59,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:59,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:02:59,876 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr3REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-10-28 23:02:59,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:59,876 INFO L85 PathProgramCache]: Analyzing trace with hash 401088549, now seen corresponding path program 1 times [2021-10-28 23:02:59,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:02:59,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578762646] [2021-10-28 23:02:59,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:59,878 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:02:59,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:02:59,879 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:02:59,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 23:03:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:03:00,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:03:00,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:03:00,407 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 23:03:00,517 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 23:03:00,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:03:01,085 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 23:03:01,086 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:03:01,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578762646] [2021-10-28 23:03:01,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [578762646] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:03:01,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:03:01,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-28 23:03:01,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401892229] [2021-10-28 23:03:01,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:03:01,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:03:01,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:03:01,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:03:01,088 INFO L87 Difference]: Start difference. First operand 269 states and 304 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 23:03:04,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:03:04,494 INFO L93 Difference]: Finished difference Result 282 states and 319 transitions. [2021-10-28 23:03:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:03:04,496 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2021-10-28 23:03:04,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:03:04,498 INFO L225 Difference]: With dead ends: 282 [2021-10-28 23:03:04,498 INFO L226 Difference]: Without dead ends: 282 [2021-10-28 23:03:04,498 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:03:04,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-28 23:03:04,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 275. [2021-10-28 23:03:04,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 164 states have (on average 1.7682926829268293) internal successors, (290), 254 states have internal predecessors, (290), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-10-28 23:03:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 311 transitions. [2021-10-28 23:03:04,521 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 311 transitions. Word has length 10 [2021-10-28 23:03:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:03:04,522 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 311 transitions. [2021-10-28 23:03:04,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 23:03:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 311 transitions. [2021-10-28 23:03:04,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 23:03:04,523 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:03:04,523 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:03:04,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:04,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:03:04,741 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr4REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-10-28 23:03:04,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:03:04,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1866968392, now seen corresponding path program 1 times [2021-10-28 23:03:04,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:03:04,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075250409] [2021-10-28 23:03:04,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:03:04,743 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:03:04,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:03:04,744 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:03:04,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 23:03:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:03:05,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:03:05,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:03:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:03:05,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:03:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:03:05,299 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:03:05,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075250409] [2021-10-28 23:03:05,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075250409] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 23:03:05,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:03:05,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-28 23:03:05,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762507327] [2021-10-28 23:03:05,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:03:05,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:03:05,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:03:05,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:03:05,301 INFO L87 Difference]: Start difference. First operand 275 states and 311 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 23:03:05,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:03:05,419 INFO L93 Difference]: Finished difference Result 283 states and 318 transitions. [2021-10-28 23:03:05,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:03:05,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-10-28 23:03:05,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:03:05,422 INFO L225 Difference]: With dead ends: 283 [2021-10-28 23:03:05,423 INFO L226 Difference]: Without dead ends: 283 [2021-10-28 23:03:05,423 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:03:05,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-10-28 23:03:05,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 282. [2021-10-28 23:03:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 171 states have (on average 1.736842105263158) internal successors, (297), 261 states have internal predecessors, (297), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-10-28 23:03:05,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 318 transitions. [2021-10-28 23:03:05,452 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 318 transitions. Word has length 15 [2021-10-28 23:03:05,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:03:05,452 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 318 transitions. [2021-10-28 23:03:05,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 23:03:05,453 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 318 transitions. [2021-10-28 23:03:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:03:05,453 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:03:05,454 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:03:05,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:05,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:03:05,672 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr3REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-10-28 23:03:05,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:03:05,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1020400171, now seen corresponding path program 1 times [2021-10-28 23:03:05,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:03:05,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698855975] [2021-10-28 23:03:05,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:03:05,673 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:03:05,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:03:05,674 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:03:05,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-28 23:03:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:03:06,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:03:06,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:03:06,117 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 23:03:06,395 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:03:06,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:03:09,250 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:03:09,250 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:03:09,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698855975] [2021-10-28 23:03:09,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698855975] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-28 23:03:09,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:03:09,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-10-28 23:03:09,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677146519] [2021-10-28 23:03:09,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 23:03:09,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:03:09,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 23:03:09,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:03:09,252 INFO L87 Difference]: Start difference. First operand 282 states and 318 transitions. Second operand has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 23:03:17,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:03:17,121 INFO L93 Difference]: Finished difference Result 285 states and 320 transitions. [2021-10-28 23:03:17,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:03:17,122 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-10-28 23:03:17,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:03:17,124 INFO L225 Difference]: With dead ends: 285 [2021-10-28 23:03:17,124 INFO L226 Difference]: Without dead ends: 285 [2021-10-28 23:03:17,125 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:03:17,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-10-28 23:03:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2021-10-28 23:03:17,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 175 states have (on average 1.7085714285714286) internal successors, (299), 264 states have internal predecessors, (299), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-10-28 23:03:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 320 transitions. [2021-10-28 23:03:17,142 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 320 transitions. Word has length 18 [2021-10-28 23:03:17,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:03:17,143 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 320 transitions. [2021-10-28 23:03:17,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 23:03:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 320 transitions. [2021-10-28 23:03:17,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 23:03:17,144 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:03:17,144 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:03:17,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:03:17,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:03:17,355 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr4REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-10-28 23:03:17,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:03:17,356 INFO L85 PathProgramCache]: Analyzing trace with hash -436945876, now seen corresponding path program 2 times [2021-10-28 23:03:17,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:03:17,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [467655686] [2021-10-28 23:03:17,357 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:03:17,357 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:03:17,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:03:17,358 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:03:17,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-28 23:03:17,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-28 23:03:17,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:03:17,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:03:17,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:03:19,627 INFO L354 Elim1Store]: treesize reduction 1465, result has 7.6 percent of original size [2021-10-28 23:03:19,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 11 case distinctions, treesize of input 12651 treesize of output 12224 [2021-10-28 23:04:20,315 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-10-28 23:04:20,317 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:04:20,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [467655686] [2021-10-28 23:04:20,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2021-10-28 23:04:20,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [997306714] [2021-10-28 23:04:20,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:04:20,321 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-28 23:04:20,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/cvc4 [2021-10-28 23:04:20,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-10-28 23:04:20,323 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-28 23:04:20,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-28 23:04:21,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-28 23:04:21,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:04:21,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:04:21,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:04:21,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-10-28 23:04:21,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995475590] [2021-10-28 23:04:21,738 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:04:21,738 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:04:21,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:04:21,743 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:04:21,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 23:04:22,236 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-28 23:04:22,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:04:22,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:04:22,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:04:22,248 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-10-28 23:04:22,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:04:22,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-28 23:04:22,248 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-28 23:04:22,249 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-10-28 23:04:22,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr4REQUIRES_VIOLATION [2021-10-28 23:04:22,260 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr0REQUIRES_VIOLATION [2021-10-28 23:04:22,260 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr1REQUIRES_VIOLATION [2021-10-28 23:04:22,260 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,261 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,261 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr4REQUIRES_VIOLATION [2021-10-28 23:04:22,261 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr5REQUIRES_VIOLATION [2021-10-28 23:04:22,262 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr6REQUIRES_VIOLATION [2021-10-28 23:04:22,262 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr7REQUIRES_VIOLATION [2021-10-28 23:04:22,262 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr8REQUIRES_VIOLATION [2021-10-28 23:04:22,262 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr9REQUIRES_VIOLATION [2021-10-28 23:04:22,263 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr10REQUIRES_VIOLATION [2021-10-28 23:04:22,263 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr11REQUIRES_VIOLATION [2021-10-28 23:04:22,263 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr12REQUIRES_VIOLATION [2021-10-28 23:04:22,263 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr13REQUIRES_VIOLATION [2021-10-28 23:04:22,264 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr14REQUIRES_VIOLATION [2021-10-28 23:04:22,264 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr15REQUIRES_VIOLATION [2021-10-28 23:04:22,264 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr16REQUIRES_VIOLATION [2021-10-28 23:04:22,264 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr17REQUIRES_VIOLATION [2021-10-28 23:04:22,265 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr18ASSERT_VIOLATIONMEMORY_LEAK [2021-10-28 23:04:22,265 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr19REQUIRES_VIOLATION [2021-10-28 23:04:22,265 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr20REQUIRES_VIOLATION [2021-10-28 23:04:22,265 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,266 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,266 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,266 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,266 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr25REQUIRES_VIOLATION [2021-10-28 23:04:22,267 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr26REQUIRES_VIOLATION [2021-10-28 23:04:22,267 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,267 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,267 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr29REQUIRES_VIOLATION [2021-10-28 23:04:22,268 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr30REQUIRES_VIOLATION [2021-10-28 23:04:22,268 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr31REQUIRES_VIOLATION [2021-10-28 23:04:22,268 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr32REQUIRES_VIOLATION [2021-10-28 23:04:22,268 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,269 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,269 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,269 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,269 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr37REQUIRES_VIOLATION [2021-10-28 23:04:22,270 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr38REQUIRES_VIOLATION [2021-10-28 23:04:22,270 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,270 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,270 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr41REQUIRES_VIOLATION [2021-10-28 23:04:22,271 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr42REQUIRES_VIOLATION [2021-10-28 23:04:22,271 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr0REQUIRES_VIOLATION [2021-10-28 23:04:22,271 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr1REQUIRES_VIOLATION [2021-10-28 23:04:22,271 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr2REQUIRES_VIOLATION [2021-10-28 23:04:22,271 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr3REQUIRES_VIOLATION [2021-10-28 23:04:22,272 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,272 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,272 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr6REQUIRES_VIOLATION [2021-10-28 23:04:22,272 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr7REQUIRES_VIOLATION [2021-10-28 23:04:22,273 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr8REQUIRES_VIOLATION [2021-10-28 23:04:22,273 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr9REQUIRES_VIOLATION [2021-10-28 23:04:22,273 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr10REQUIRES_VIOLATION [2021-10-28 23:04:22,273 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr11REQUIRES_VIOLATION [2021-10-28 23:04:22,274 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr12REQUIRES_VIOLATION [2021-10-28 23:04:22,274 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr13REQUIRES_VIOLATION [2021-10-28 23:04:22,274 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr0REQUIRES_VIOLATION [2021-10-28 23:04:22,274 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr1REQUIRES_VIOLATION [2021-10-28 23:04:22,275 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,275 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-10-28 23:04:22,275 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr4REQUIRES_VIOLATION [2021-10-28 23:04:22,275 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr5REQUIRES_VIOLATION [2021-10-28 23:04:22,275 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr0REQUIRES_VIOLATION [2021-10-28 23:04:22,276 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr1REQUIRES_VIOLATION [2021-10-28 23:04:22,276 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr2REQUIRES_VIOLATION [2021-10-28 23:04:22,276 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr3REQUIRES_VIOLATION [2021-10-28 23:04:22,276 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr4REQUIRES_VIOLATION [2021-10-28 23:04:22,277 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr5REQUIRES_VIOLATION [2021-10-28 23:04:22,277 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr6REQUIRES_VIOLATION [2021-10-28 23:04:22,277 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr7REQUIRES_VIOLATION [2021-10-28 23:04:22,277 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr8REQUIRES_VIOLATION [2021-10-28 23:04:22,278 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr9REQUIRES_VIOLATION [2021-10-28 23:04:22,278 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr10REQUIRES_VIOLATION [2021-10-28 23:04:22,278 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr11REQUIRES_VIOLATION [2021-10-28 23:04:22,278 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location safe_writeErr0REQUIRES_VIOLATION [2021-10-28 23:04:22,278 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location safe_writeErr1REQUIRES_VIOLATION [2021-10-28 23:04:22,279 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION [2021-10-28 23:04:22,279 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION [2021-10-28 23:04:22,279 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr0REQUIRES_VIOLATION [2021-10-28 23:04:22,279 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr1REQUIRES_VIOLATION [2021-10-28 23:04:22,280 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr2REQUIRES_VIOLATION [2021-10-28 23:04:22,280 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr3REQUIRES_VIOLATION [2021-10-28 23:04:22,280 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr0REQUIRES_VIOLATION [2021-10-28 23:04:22,280 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr1REQUIRES_VIOLATION [2021-10-28 23:04:22,281 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr2REQUIRES_VIOLATION [2021-10-28 23:04:22,281 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr3REQUIRES_VIOLATION [2021-10-28 23:04:22,281 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr4REQUIRES_VIOLATION [2021-10-28 23:04:22,281 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr5REQUIRES_VIOLATION [2021-10-28 23:04:22,282 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr6REQUIRES_VIOLATION [2021-10-28 23:04:22,282 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr7REQUIRES_VIOLATION [2021-10-28 23:04:22,282 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr0REQUIRES_VIOLATION [2021-10-28 23:04:22,282 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr1REQUIRES_VIOLATION [2021-10-28 23:04:22,282 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr2REQUIRES_VIOLATION [2021-10-28 23:04:22,283 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr3REQUIRES_VIOLATION [2021-10-28 23:04:22,283 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr4REQUIRES_VIOLATION [2021-10-28 23:04:22,283 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr5REQUIRES_VIOLATION [2021-10-28 23:04:22,283 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr6REQUIRES_VIOLATION [2021-10-28 23:04:22,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr7REQUIRES_VIOLATION [2021-10-28 23:04:22,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0REQUIRES_VIOLATION [2021-10-28 23:04:22,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr1REQUIRES_VIOLATION [2021-10-28 23:04:22,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr2REQUIRES_VIOLATION [2021-10-28 23:04:22,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr3REQUIRES_VIOLATION [2021-10-28 23:04:22,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr5REQUIRES_VIOLATION [2021-10-28 23:04:22,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr6REQUIRES_VIOLATION [2021-10-28 23:04:22,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr7REQUIRES_VIOLATION [2021-10-28 23:04:22,286 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr8REQUIRES_VIOLATION [2021-10-28 23:04:22,286 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr9REQUIRES_VIOLATION [2021-10-28 23:04:22,286 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr10REQUIRES_VIOLATION [2021-10-28 23:04:22,286 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr11REQUIRES_VIOLATION [2021-10-28 23:04:22,286 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr12REQUIRES_VIOLATION [2021-10-28 23:04:22,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr13REQUIRES_VIOLATION [2021-10-28 23:04:22,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr14REQUIRES_VIOLATION [2021-10-28 23:04:22,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr15REQUIRES_VIOLATION [2021-10-28 23:04:22,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr16REQUIRES_VIOLATION [2021-10-28 23:04:22,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr17REQUIRES_VIOLATION [2021-10-28 23:04:22,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr18REQUIRES_VIOLATION [2021-10-28 23:04:22,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr19REQUIRES_VIOLATION [2021-10-28 23:04:22,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr20REQUIRES_VIOLATION [2021-10-28 23:04:22,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr21REQUIRES_VIOLATION [2021-10-28 23:04:22,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr22REQUIRES_VIOLATION [2021-10-28 23:04:22,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr23REQUIRES_VIOLATION [2021-10-28 23:04:22,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr24ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:04:22,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr25ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:04:22,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr26ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:04:22,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr27ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:04:22,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr28ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:04:22,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr29ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:04:22,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr30ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:04:22,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr31ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:04:22,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr32ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:04:22,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr33ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:04:22,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr34ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:04:22,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr35ASSERT_VIOLATIONMEMORY_FREE [2021-10-28 23:04:22,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr36ENSURES_VIOLATIONMEMORY_LEAK [2021-10-28 23:04:22,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readErr0REQUIRES_VIOLATION [2021-10-28 23:04:22,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readErr1REQUIRES_VIOLATION [2021-10-28 23:04:22,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:22,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:22,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:04:22,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb69ac89-a940-4ff8-9d9c-adab48c1407b/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt [2021-10-28 23:04:22,910 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2021-10-28 23:04:22,915 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:04:22,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:04:22 BoogieIcfgContainer [2021-10-28 23:04:22,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:04:22,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:04:22,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:04:22,939 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:04:22,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:02:55" (3/4) ... [2021-10-28 23:04:22,948 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:04:22,948 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:04:22,950 INFO L168 Benchmark]: Toolchain (without parser) took 93058.85 ms. Allocated memory was 58.7 MB in the beginning and 184.5 MB in the end (delta: 125.8 MB). Free memory was 33.8 MB in the beginning and 86.2 MB in the end (delta: -52.4 MB). Peak memory consumption was 74.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:22,950 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 58.7 MB. Free memory is still 38.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:04:22,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1728.28 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 33.7 MB in the beginning and 35.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:22,952 INFO L168 Benchmark]: Boogie Preprocessor took 296.68 ms. Allocated memory is still 71.3 MB. Free memory was 35.4 MB in the beginning and 38.8 MB in the end (delta: -3.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:22,953 INFO L168 Benchmark]: RCFGBuilder took 3196.55 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 38.8 MB in the beginning and 57.6 MB in the end (delta: -18.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:22,953 INFO L168 Benchmark]: TraceAbstraction took 87807.95 ms. Allocated memory was 90.2 MB in the beginning and 184.5 MB in the end (delta: 94.4 MB). Free memory was 57.1 MB in the beginning and 86.2 MB in the end (delta: -29.1 MB). Peak memory consumption was 65.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:04:22,954 INFO L168 Benchmark]: Witness Printer took 10.10 ms. Allocated memory is still 184.5 MB. Free memory is still 86.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:04:22,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 58.7 MB. Free memory is still 38.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1728.28 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 33.7 MB in the beginning and 35.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 296.68 ms. Allocated memory is still 71.3 MB. Free memory was 35.4 MB in the beginning and 38.8 MB in the end (delta: -3.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3196.55 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 38.8 MB in the beginning and 57.6 MB in the end (delta: -18.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 87807.95 ms. Allocated memory was 90.2 MB in the beginning and 184.5 MB in the end (delta: 94.4 MB). Free memory was 57.1 MB in the beginning and 86.2 MB in the end (delta: -29.1 MB). Peak memory consumption was 65.7 MB. Max. memory is 16.1 GB. * Witness Printer took 10.10 ms. Allocated memory is still 184.5 MB. Free memory is still 86.2 MB. There was no memory consumed. 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 - UnprovableResult [Line: 1599]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L1318] static const char *applet_name; [L1319] static signed int bb_errno_location; [L1320] static signed int * const bb_errno = &bb_errno_location; [L1512] static struct utmp dummy_utmp; [L1594] char *a = malloc(11); [L1595] a[10] = 0 [L1596] int i=0; [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND FALSE !(i<10) [L1598] applet_name = a [L1599] bb_errno_location = __VERIFIER_nondet_int() - UnprovableResult [Line: 1334]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1334]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1342]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1342]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1354]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1354]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1371]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1396]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1396]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1397]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1397]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1400]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1400]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1402]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1402]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1402]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1402]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1416]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1416]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1529]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1529]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1529]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1529]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1532]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1532]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1532]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1532]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1539]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1539]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1543]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1543]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1484]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1484]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1488]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1488]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1491]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1491]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1569]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1569]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1574]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1574]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1579]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1579]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1579]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1579]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1505]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1505]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1432]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1432]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1447]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1447]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1447]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1447]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1516]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1516]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1517]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1517]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1519]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1519]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1595]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1595]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1597]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1597]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1599]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1605]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1605]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1608]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1608]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1609]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1609]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1609]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1609]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1610]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1610]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1610]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1610]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1612]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1612]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1612]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1612]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1617]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1617]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1617]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1618]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1618]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1618]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1619]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1619]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1619]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1592]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1564]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1564]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 420 locations, 138 error locations. Started 1 CEGAR loops. OverallTime: 87.7s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1466 SDtfs, 184 SDslu, 2846 SDs, 0 SdLazy, 1070 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 67.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 684 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1120 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 0/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...