./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/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_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:49:06,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:49:06,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:49:06,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:49:06,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:49:06,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:49:06,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:49:06,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:49:06,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:49:06,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:49:06,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:49:06,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:49:06,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:49:06,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:49:06,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:49:07,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:49:07,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:49:07,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:49:07,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:49:07,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:49:07,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:49:07,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:49:07,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:49:07,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:49:07,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:49:07,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:49:07,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:49:07,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:49:07,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:49:07,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:49:07,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:49:07,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:49:07,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:49:07,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:49:07,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:49:07,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:49:07,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:49:07,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:49:07,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:49:07,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:49:07,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:49:07,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-11-13 18:49:07,082 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:49:07,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:49:07,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:49:07,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:49:07,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:49:07,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:49:07,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:49:07,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:49:07,086 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:49:07,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:49:07,086 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:49:07,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:49:07,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:49:07,087 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 18:49:07,087 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 18:49:07,088 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 18:49:07,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:49:07,088 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 18:49:07,088 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:49:07,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:49:07,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:49:07,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:49:07,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:49:07,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:49:07,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:49:07,091 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:49:07,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:49:07,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:49:07,091 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_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2021-11-13 18:49:07,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:49:07,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:49:07,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:49:07,468 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:49:07,470 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:49:07,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-13 18:49:07,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/data/7ec943836/0bed96578016498581cbb8a2707bc7c1/FLAGf55293d5a [2021-11-13 18:49:08,285 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:49:08,286 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-13 18:49:08,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/data/7ec943836/0bed96578016498581cbb8a2707bc7c1/FLAGf55293d5a [2021-11-13 18:49:08,463 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/data/7ec943836/0bed96578016498581cbb8a2707bc7c1 [2021-11-13 18:49:08,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:49:08,472 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 18:49:08,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:49:08,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:49:08,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:49:08,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:49:08" (1/1) ... [2021-11-13 18:49:08,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ab73ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:08, skipping insertion in model container [2021-11-13 18:49:08,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:49:08" (1/1) ... [2021-11-13 18:49:08,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:49:08,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:49:09,423 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_9b758942-697b-44f6-9c4a-06048c8e5fe9/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-13 18:49:09,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:49:09,558 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-13 18:49:09,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63aa38fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:09, skipping insertion in model container [2021-11-13 18:49:09,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:49:09,559 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-11-13 18:49:09,562 INFO L158 Benchmark]: Toolchain (without parser) took 1088.44ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 57.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 18:49:09,564 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 41.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:49:09,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1085.23ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 57.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 18:49:09,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 41.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1085.23ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 57.8MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/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_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:49:12,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:49:12,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:49:12,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:49:12,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:49:12,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:49:12,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:49:12,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:49:12,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:49:12,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:49:12,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:49:12,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:49:12,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:49:12,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:49:12,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:49:12,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:49:12,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:49:12,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:49:12,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:49:12,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:49:12,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:49:12,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:49:12,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:49:12,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:49:12,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:49:12,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:49:12,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:49:12,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:49:12,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:49:12,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:49:12,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:49:12,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:49:12,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:49:12,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:49:12,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:49:12,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:49:12,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:49:12,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:49:12,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:49:12,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:49:12,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:49:12,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-11-13 18:49:12,448 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:49:12,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:49:12,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:49:12,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:49:12,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:49:12,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:49:12,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:49:12,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:49:12,452 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:49:12,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:49:12,453 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:49:12,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:49:12,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:49:12,454 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 18:49:12,454 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 18:49:12,455 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 18:49:12,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:49:12,455 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 18:49:12,456 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 18:49:12,456 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 18:49:12,456 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:49:12,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:49:12,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:49:12,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:49:12,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:49:12,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:49:12,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:49:12,459 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 18:49:12,459 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 18:49:12,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:49:12,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 18:49:12,460 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_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2021-11-13 18:49:12,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:49:12,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:49:12,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:49:12,927 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:49:12,927 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:49:12,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-13 18:49:13,016 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/data/4095da7e6/7c3f3ae0ede44eb0a2f7842b86d03e83/FLAG64850c734 [2021-11-13 18:49:13,960 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:49:13,963 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-13 18:49:14,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/data/4095da7e6/7c3f3ae0ede44eb0a2f7842b86d03e83/FLAG64850c734 [2021-11-13 18:49:14,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/data/4095da7e6/7c3f3ae0ede44eb0a2f7842b86d03e83 [2021-11-13 18:49:14,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:49:14,063 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 18:49:14,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:49:14,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:49:14,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:49:14,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:49:14" (1/1) ... [2021-11-13 18:49:14,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d1b93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:14, skipping insertion in model container [2021-11-13 18:49:14,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:49:14" (1/1) ... [2021-11-13 18:49:14,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:49:14,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:49:15,047 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_9b758942-697b-44f6-9c4a-06048c8e5fe9/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-13 18:49:15,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:49:15,191 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 18:49:15,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:49:15,271 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_9b758942-697b-44f6-9c4a-06048c8e5fe9/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-13 18:49:15,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:49:15,311 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:49:15,385 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_9b758942-697b-44f6-9c4a-06048c8e5fe9/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-13 18:49:15,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:49:15,564 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:49:15,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:15 WrapperNode [2021-11-13 18:49:15,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:49:15,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:49:15,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:49:15,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:49:15,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:15" (1/1) ... [2021-11-13 18:49:15,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:15" (1/1) ... [2021-11-13 18:49:15,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:15" (1/1) ... [2021-11-13 18:49:15,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:15" (1/1) ... [2021-11-13 18:49:15,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:15" (1/1) ... [2021-11-13 18:49:15,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:15" (1/1) ... [2021-11-13 18:49:15,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:15" (1/1) ... [2021-11-13 18:49:15,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:49:15,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:49:15,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:49:15,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:49:15,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:15" (1/1) ... [2021-11-13 18:49:15,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:49:15,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:49:15,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:49:15,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:49:15,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-11-13 18:49:15,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:49:15,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-11-13 18:49:15,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 18:49:15,952 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-11-13 18:49:15,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-11-13 18:49:15,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-11-13 18:49:15,953 INFO L138 BoogieDeclarations]: Found implementation of procedure syslog [2021-11-13 18:49:15,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2021-11-13 18:49:15,953 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_nostrip [2021-11-13 18:49:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_strip [2021-11-13 18:49:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2021-11-13 18:49:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2021-11-13 18:49:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2021-11-13 18:49:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_write [2021-11-13 18:49:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure getutent [2021-11-13 18:49:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2021-11-13 18:49:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt_long [2021-11-13 18:49:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2021-11-13 18:49:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2021-11-13 18:49:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2021-11-13 18:49:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-11-13 18:49:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-11-13 18:49:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-11-13 18:49:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-11-13 18:49:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-11-13 18:49:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2021-11-13 18:49:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2021-11-13 18:49:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-11-13 18:49:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 18:49:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-11-13 18:49:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-11-13 18:49:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-11-13 18:49:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-11-13 18:49:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:49:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-11-13 18:49:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-11-13 18:49:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_b_loc [2021-11-13 18:49:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_tolower_loc [2021-11-13 18:49:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_toupper_loc [2021-11-13 18:49:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum [2021-11-13 18:49:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha [2021-11-13 18:49:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl [2021-11-13 18:49:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit [2021-11-13 18:49:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure islower [2021-11-13 18:49:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph [2021-11-13 18:49:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure isprint [2021-11-13 18:49:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct [2021-11-13 18:49:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2021-11-13 18:49:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure isupper [2021-11-13 18:49:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit [2021-11-13 18:49:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure tolower [2021-11-13 18:49:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure toupper [2021-11-13 18:49:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure isblank [2021-11-13 18:49:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2021-11-13 18:49:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure toascii [2021-11-13 18:49:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure _toupper [2021-11-13 18:49:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure _tolower [2021-11-13 18:49:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum_l [2021-11-13 18:49:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha_l [2021-11-13 18:49:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl_l [2021-11-13 18:49:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit_l [2021-11-13 18:49:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure islower_l [2021-11-13 18:49:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph_l [2021-11-13 18:49:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure isprint_l [2021-11-13 18:49:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct_l [2021-11-13 18:49:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure isspace_l [2021-11-13 18:49:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure isupper_l [2021-11-13 18:49:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit_l [2021-11-13 18:49:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure isblank_l [2021-11-13 18:49:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure __tolower_l [2021-11-13 18:49:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure tolower_l [2021-11-13 18:49:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper_l [2021-11-13 18:49:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure toupper_l [2021-11-13 18:49:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2021-11-13 18:49:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long [2021-11-13 18:49:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long_only [2021-11-13 18:49:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-11-13 18:49:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2021-11-13 18:49:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2021-11-13 18:49:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-11-13 18:49:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-13 18:49:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2021-11-13 18:49:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-11-13 18:49:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-13 18:49:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-13 18:49:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2021-11-13 18:49:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-11-13 18:49:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-13 18:49:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2021-11-13 18:49:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2021-11-13 18:49:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2021-11-13 18:49:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2021-11-13 18:49:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2021-11-13 18:49:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2021-11-13 18:49:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2021-11-13 18:49:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-13 18:49:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2021-11-13 18:49:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2021-11-13 18:49:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2021-11-13 18:49:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-13 18:49:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2021-11-13 18:49:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2021-11-13 18:49:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2021-11-13 18:49:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2021-11-13 18:49:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-11-13 18:49:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2021-11-13 18:49:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2021-11-13 18:49:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2021-11-13 18:49:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2021-11-13 18:49:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2021-11-13 18:49:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2021-11-13 18:49:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2021-11-13 18:49:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure index [2021-11-13 18:49:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2021-11-13 18:49:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-11-13 18:49:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-11-13 18:49:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2021-11-13 18:49:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2021-11-13 18:49:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2021-11-13 18:49:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2021-11-13 18:49:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2021-11-13 18:49:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2021-11-13 18:49:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2021-11-13 18:49:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure access [2021-11-13 18:49:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure faccessat [2021-11-13 18:49:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure lseek [2021-11-13 18:49:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure close [2021-11-13 18:49:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure read [2021-11-13 18:49:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure write [2021-11-13 18:49:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure pread [2021-11-13 18:49:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure pwrite [2021-11-13 18:49:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure pipe [2021-11-13 18:49:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure alarm [2021-11-13 18:49:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-11-13 18:49:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure ualarm [2021-11-13 18:49:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure usleep [2021-11-13 18:49:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure pause [2021-11-13 18:49:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure chown [2021-11-13 18:49:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure fchown [2021-11-13 18:49:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure lchown [2021-11-13 18:49:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure fchownat [2021-11-13 18:49:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure chdir [2021-11-13 18:49:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure fchdir [2021-11-13 18:49:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure getcwd [2021-11-13 18:49:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure getwd [2021-11-13 18:49:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure dup [2021-11-13 18:49:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure dup2 [2021-11-13 18:49:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure execve [2021-11-13 18:49:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure fexecve [2021-11-13 18:49:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure execv [2021-11-13 18:49:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure execle [2021-11-13 18:49:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure execl [2021-11-13 18:49:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure execvp [2021-11-13 18:49:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure execlp [2021-11-13 18:49:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure nice [2021-11-13 18:49:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure _exit [2021-11-13 18:49:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure pathconf [2021-11-13 18:49:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure fpathconf [2021-11-13 18:49:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure sysconf [2021-11-13 18:49:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure confstr [2021-11-13 18:49:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure getpid [2021-11-13 18:49:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure getppid [2021-11-13 18:49:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure getpgrp [2021-11-13 18:49:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure __getpgid [2021-11-13 18:49:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure getpgid [2021-11-13 18:49:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure setpgid [2021-11-13 18:49:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure setpgrp [2021-11-13 18:49:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure setsid [2021-11-13 18:49:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure getsid [2021-11-13 18:49:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure getuid [2021-11-13 18:49:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure geteuid [2021-11-13 18:49:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure getgid [2021-11-13 18:49:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure getegid [2021-11-13 18:49:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure getgroups [2021-11-13 18:49:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure setuid [2021-11-13 18:49:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure setreuid [2021-11-13 18:49:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure seteuid [2021-11-13 18:49:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure setgid [2021-11-13 18:49:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure setregid [2021-11-13 18:49:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure setegid [2021-11-13 18:49:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure fork [2021-11-13 18:49:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure vfork [2021-11-13 18:49:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname [2021-11-13 18:49:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname_r [2021-11-13 18:49:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2021-11-13 18:49:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure ttyslot [2021-11-13 18:49:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure link [2021-11-13 18:49:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure linkat [2021-11-13 18:49:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure symlink [2021-11-13 18:49:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure readlink [2021-11-13 18:49:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure symlinkat [2021-11-13 18:49:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure readlinkat [2021-11-13 18:49:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure unlink [2021-11-13 18:49:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure unlinkat [2021-11-13 18:49:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure rmdir [2021-11-13 18:49:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetpgrp [2021-11-13 18:49:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure tcsetpgrp [2021-11-13 18:49:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin [2021-11-13 18:49:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin_r [2021-11-13 18:49:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure setlogin [2021-11-13 18:49:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure gethostname [2021-11-13 18:49:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure sethostname [2021-11-13 18:49:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure sethostid [2021-11-13 18:49:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure getdomainname [2021-11-13 18:49:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure setdomainname [2021-11-13 18:49:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure vhangup [2021-11-13 18:49:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure revoke [2021-11-13 18:49:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure profil [2021-11-13 18:49:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure acct [2021-11-13 18:49:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure getusershell [2021-11-13 18:49:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure endusershell [2021-11-13 18:49:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure setusershell [2021-11-13 18:49:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure daemon [2021-11-13 18:49:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure chroot [2021-11-13 18:49:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure getpass [2021-11-13 18:49:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure fsync [2021-11-13 18:49:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure gethostid [2021-11-13 18:49:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure sync [2021-11-13 18:49:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure getpagesize [2021-11-13 18:49:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure getdtablesize [2021-11-13 18:49:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure truncate [2021-11-13 18:49:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure ftruncate [2021-11-13 18:49:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure brk [2021-11-13 18:49:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure sbrk [2021-11-13 18:49:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure syscall [2021-11-13 18:49:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2021-11-13 18:49:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure fdatasync [2021-11-13 18:49:16,019 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-11-13 18:49:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-11-13 18:49:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-11-13 18:49:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-11-13 18:49:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-11-13 18:49:16,020 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-11-13 18:49:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-11-13 18:49:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-11-13 18:49:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-11-13 18:49:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-11-13 18:49:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-11-13 18:49:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-11-13 18:49:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-11-13 18:49:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-11-13 18:49:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-11-13 18:49:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-11-13 18:49:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-11-13 18:49:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-11-13 18:49:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-11-13 18:49:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-11-13 18:49:16,041 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-11-13 18:49:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-13 18:49:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-11-13 18:49:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-11-13 18:49:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-11-13 18:49:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-11-13 18:49:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-11-13 18:49:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-11-13 18:49:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-11-13 18:49:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-11-13 18:49:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-11-13 18:49:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-11-13 18:49:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-11-13 18:49:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-11-13 18:49:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-11-13 18:49:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-11-13 18:49:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-11-13 18:49:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-11-13 18:49:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-11-13 18:49:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-11-13 18:49:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-11-13 18:49:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-11-13 18:49:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-11-13 18:49:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-11-13 18:49:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-11-13 18:49:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-11-13 18:49:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-11-13 18:49:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-11-13 18:49:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-11-13 18:49:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-11-13 18:49:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-11-13 18:49:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-11-13 18:49:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-11-13 18:49:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-11-13 18:49:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-11-13 18:49:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-11-13 18:49:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-11-13 18:49:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-11-13 18:49:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-11-13 18:49:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-11-13 18:49:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-11-13 18:49:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-11-13 18:49:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-11-13 18:49:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-11-13 18:49:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-11-13 18:49:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-11-13 18:49:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-11-13 18:49:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-11-13 18:49:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-11-13 18:49:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-11-13 18:49:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-11-13 18:49:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-11-13 18:49:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-11-13 18:49:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-11-13 18:49:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-11-13 18:49:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-11-13 18:49:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-11-13 18:49:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-11-13 18:49:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-11-13 18:49:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-11-13 18:49:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-11-13 18:49:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-11-13 18:49:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-11-13 18:49:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-11-13 18:49:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-11-13 18:49:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-11-13 18:49:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-11-13 18:49:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-11-13 18:49:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-11-13 18:49:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-11-13 18:49:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-11-13 18:49:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-11-13 18:49:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-11-13 18:49:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-11-13 18:49:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-11-13 18:49:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-11-13 18:49:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-11-13 18:49:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-11-13 18:49:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-11-13 18:49:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure gettimeofday [2021-11-13 18:49:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure settimeofday [2021-11-13 18:49:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure adjtime [2021-11-13 18:49:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure getitimer [2021-11-13 18:49:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure setitimer [2021-11-13 18:49:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2021-11-13 18:49:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure lutimes [2021-11-13 18:49:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure futimes [2021-11-13 18:49:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure login_tty [2021-11-13 18:49:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure login [2021-11-13 18:49:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure logout [2021-11-13 18:49:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure logwtmp [2021-11-13 18:49:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure updwtmp [2021-11-13 18:49:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure utmpname [2021-11-13 18:49:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure getutent [2021-11-13 18:49:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure setutent [2021-11-13 18:49:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure endutent [2021-11-13 18:49:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure getutid [2021-11-13 18:49:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure getutline [2021-11-13 18:49:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure pututline [2021-11-13 18:49:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure getutent_r [2021-11-13 18:49:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure getutid_r [2021-11-13 18:49:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure getutline_r [2021-11-13 18:49:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_nostrip [2021-11-13 18:49:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_strip [2021-11-13 18:49:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2021-11-13 18:49:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2021-11-13 18:49:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2021-11-13 18:49:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure safe_write [2021-11-13 18:49:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure syslog [2021-11-13 18:49:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2021-11-13 18:49:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:49:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 18:49:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 18:49:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 18:49:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 18:49:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 18:49:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2021-11-13 18:49:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:49:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:49:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-11-13 18:49:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:49:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-11-13 18:49:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 18:49:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 18:49:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:49:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-11-13 18:49:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 18:49:19,499 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:49:19,499 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-13 18:49:19,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:49:19 BoogieIcfgContainer [2021-11-13 18:49:19,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:49:19,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:49:19,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:49:19,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:49:19,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:49:14" (1/3) ... [2021-11-13 18:49:19,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4c76d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:49:19, skipping insertion in model container [2021-11-13 18:49:19,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:15" (2/3) ... [2021-11-13 18:49:19,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4c76d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:49:19, skipping insertion in model container [2021-11-13 18:49:19,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:49:19" (3/3) ... [2021-11-13 18:49:19,513 INFO L111 eAbstractionObserver]: Analyzing ICFG basename-2.i [2021-11-13 18:49:19,520 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:49:19,520 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2021-11-13 18:49:19,575 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:49:19,583 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:49:19,584 INFO L340 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2021-11-13 18:49:19,622 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) [2021-11-13 18:49:19,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 18:49:19,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:49:19,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:49:19,633 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-11-13 18:49:19,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:19,645 INFO L85 PathProgramCache]: Analyzing trace with hash 2061788052, now seen corresponding path program 1 times [2021-11-13 18:49:19,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:49:19,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056532473] [2021-11-13 18:49:19,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:19,668 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:49:19,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:49:19,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:49:19,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 18:49:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:20,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:49:20,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:49:20,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 18:49:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:20,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:49:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:20,499 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:49:20,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056532473] [2021-11-13 18:49:20,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056532473] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:49:20,501 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:49:20,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 18:49:20,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421360508] [2021-11-13 18:49:20,504 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:49:20,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:49:20,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:49:20,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:49:20,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:49:20,563 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) [2021-11-13 18:49:21,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:49:21,525 INFO L93 Difference]: Finished difference Result 289 states and 325 transitions. [2021-11-13 18:49:21,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:49:21,529 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 [2021-11-13 18:49:21,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:49:21,554 INFO L225 Difference]: With dead ends: 289 [2021-11-13 18:49:21,554 INFO L226 Difference]: Without dead ends: 286 [2021-11-13 18:49:21,556 INFO L932 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 [2021-11-13 18:49:21,560 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 64 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 763.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.26ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 890.57ms IncrementalHoareTripleChecker+Time [2021-11-13 18:49:21,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 458 Invalid, 107 Unknown, 0 Unchecked, 9.26ms Time], IncrementalHoareTripleChecker [3 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 890.57ms Time] [2021-11-13 18:49:21,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-11-13 18:49:21,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 270. [2021-11-13 18:49:21,663 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) [2021-11-13 18:49:21,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 305 transitions. [2021-11-13 18:49:21,672 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 305 transitions. Word has length 7 [2021-11-13 18:49:21,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:49:21,673 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 305 transitions. [2021-11-13 18:49:21,673 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) [2021-11-13 18:49:21,673 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 305 transitions. [2021-11-13 18:49:21,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 18:49:21,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:49:21,675 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:49:21,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:49:21,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:49:21,880 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-11-13 18:49:21,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:21,882 INFO L85 PathProgramCache]: Analyzing trace with hash 2061788053, now seen corresponding path program 1 times [2021-11-13 18:49:21,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:49:21,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790367190] [2021-11-13 18:49:21,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:21,884 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:49:21,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:49:21,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:49:21,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 18:49:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:22,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 18:49:22,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:49:22,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 18:49:22,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:22,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:49:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:22,664 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:49:22,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790367190] [2021-11-13 18:49:22,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1790367190] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:49:22,664 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:49:22,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-13 18:49:22,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121537839] [2021-11-13 18:49:22,665 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:49:22,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:49:22,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:49:22,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:49:22,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:49:22,667 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) [2021-11-13 18:49:25,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:49:25,090 INFO L93 Difference]: Finished difference Result 269 states and 304 transitions. [2021-11-13 18:49:25,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:49:25,092 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 [2021-11-13 18:49:25,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:49:25,094 INFO L225 Difference]: With dead ends: 269 [2021-11-13 18:49:25,094 INFO L226 Difference]: Without dead ends: 269 [2021-11-13 18:49:25,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:49:25,097 INFO L933 BasicCegarLoop]: 297 mSDtfsCounter, 13 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2195.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2392.46ms IncrementalHoareTripleChecker+Time [2021-11-13 18:49:25,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 707 Invalid, 175 Unknown, 0 Unchecked, 6.65ms Time], IncrementalHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 2392.46ms Time] [2021-11-13 18:49:25,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2021-11-13 18:49:25,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2021-11-13 18:49:25,115 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) [2021-11-13 18:49:25,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 304 transitions. [2021-11-13 18:49:25,120 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 304 transitions. Word has length 7 [2021-11-13 18:49:25,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:49:25,120 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 304 transitions. [2021-11-13 18:49:25,121 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) [2021-11-13 18:49:25,121 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 304 transitions. [2021-11-13 18:49:25,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 18:49:25,121 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:49:25,122 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:49:25,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:49:25,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:49:25,330 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr3REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-11-13 18:49:25,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:25,330 INFO L85 PathProgramCache]: Analyzing trace with hash 401088549, now seen corresponding path program 1 times [2021-11-13 18:49:25,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:49:25,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481115009] [2021-11-13 18:49:25,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:25,332 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:49:25,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:49:25,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:49:25,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 18:49:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:25,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:49:25,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:49:25,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 18:49:25,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:25,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:49:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:26,574 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:49:26,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481115009] [2021-11-13 18:49:26,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481115009] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:49:26,574 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:49:26,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-13 18:49:26,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156599182] [2021-11-13 18:49:26,575 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:49:26,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:49:26,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:49:26,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:49:26,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:49:26,576 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) [2021-11-13 18:49:30,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:49:30,441 INFO L93 Difference]: Finished difference Result 282 states and 319 transitions. [2021-11-13 18:49:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:49:30,444 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 [2021-11-13 18:49:30,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:49:30,446 INFO L225 Difference]: With dead ends: 282 [2021-11-13 18:49:30,446 INFO L226 Difference]: Without dead ends: 282 [2021-11-13 18:49:30,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:49:30,448 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 52 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3514.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.32ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3765.06ms IncrementalHoareTripleChecker+Time [2021-11-13 18:49:30,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 710 Invalid, 211 Unknown, 0 Unchecked, 6.32ms Time], IncrementalHoareTripleChecker [11 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 3765.06ms Time] [2021-11-13 18:49:30,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-11-13 18:49:30,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 275. [2021-11-13 18:49:30,467 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) [2021-11-13 18:49:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 311 transitions. [2021-11-13 18:49:30,472 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 311 transitions. Word has length 10 [2021-11-13 18:49:30,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:49:30,473 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 311 transitions. [2021-11-13 18:49:30,473 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) [2021-11-13 18:49:30,473 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 311 transitions. [2021-11-13 18:49:30,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 18:49:30,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:49:30,474 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:49:30,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:49:30,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:49:30,690 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr4REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-11-13 18:49:30,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:30,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1866968392, now seen corresponding path program 1 times [2021-11-13 18:49:30,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:49:30,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815071291] [2021-11-13 18:49:30,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:30,692 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:49:30,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:49:30,694 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:49:30,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 18:49:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:31,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 18:49:31,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:49:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:31,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:49:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:31,323 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:49:31,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815071291] [2021-11-13 18:49:31,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815071291] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:49:31,323 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 18:49:31,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-11-13 18:49:31,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144542941] [2021-11-13 18:49:31,324 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 18:49:31,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:49:31,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:49:31,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:49:31,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:49:31,325 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) [2021-11-13 18:49:31,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:49:31,455 INFO L93 Difference]: Finished difference Result 283 states and 318 transitions. [2021-11-13 18:49:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:49:31,455 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 [2021-11-13 18:49:31,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:49:31,458 INFO L225 Difference]: With dead ends: 283 [2021-11-13 18:49:31,458 INFO L226 Difference]: Without dead ends: 283 [2021-11-13 18:49:31,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:49:31,460 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 18 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.25ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.66ms IncrementalHoareTripleChecker+Time [2021-11-13 18:49:31,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 898 Invalid, 28 Unknown, 0 Unchecked, 3.25ms Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 97.66ms Time] [2021-11-13 18:49:31,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-11-13 18:49:31,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 282. [2021-11-13 18:49:31,476 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) [2021-11-13 18:49:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 318 transitions. [2021-11-13 18:49:31,481 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 318 transitions. Word has length 15 [2021-11-13 18:49:31,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:49:31,482 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 318 transitions. [2021-11-13 18:49:31,482 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) [2021-11-13 18:49:31,482 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 318 transitions. [2021-11-13 18:49:31,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 18:49:31,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:49:31,483 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:49:31,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:49:31,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:49:31,702 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr3REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-11-13 18:49:31,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:31,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1020400171, now seen corresponding path program 1 times [2021-11-13 18:49:31,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:49:31,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879492656] [2021-11-13 18:49:31,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:31,704 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:49:31,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:49:31,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:49:31,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 18:49:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:32,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 18:49:32,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:49:32,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-13 18:49:32,442 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:32,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:49:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:35,934 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:49:35,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879492656] [2021-11-13 18:49:35,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879492656] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:49:35,935 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 18:49:35,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-11-13 18:49:35,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384083344] [2021-11-13 18:49:35,935 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 18:49:35,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 18:49:35,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:49:35,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 18:49:35,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:49:35,937 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) [2021-11-13 18:49:45,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:49:45,276 INFO L93 Difference]: Finished difference Result 285 states and 320 transitions. [2021-11-13 18:49:45,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:49:45,279 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 [2021-11-13 18:49:45,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:49:45,282 INFO L225 Difference]: With dead ends: 285 [2021-11-13 18:49:45,282 INFO L226 Difference]: Without dead ends: 285 [2021-11-13 18:49:45,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:49:45,284 INFO L933 BasicCegarLoop]: 296 mSDtfsCounter, 37 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8126.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.20ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8633.20ms IncrementalHoareTripleChecker+Time [2021-11-13 18:49:45,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 1539 Invalid, 581 Unknown, 0 Unchecked, 11.20ms Time], IncrementalHoareTripleChecker [14 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 8633.20ms Time] [2021-11-13 18:49:45,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-11-13 18:49:45,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2021-11-13 18:49:45,296 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) [2021-11-13 18:49:45,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 320 transitions. [2021-11-13 18:49:45,299 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 320 transitions. Word has length 18 [2021-11-13 18:49:45,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:49:45,299 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 320 transitions. [2021-11-13 18:49:45,300 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) [2021-11-13 18:49:45,300 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 320 transitions. [2021-11-13 18:49:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 18:49:45,301 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:49:45,301 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:49:45,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-13 18:49:45,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:49:45,518 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr4REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-11-13 18:49:45,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:45,518 INFO L85 PathProgramCache]: Analyzing trace with hash -436945876, now seen corresponding path program 2 times [2021-11-13 18:49:45,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:49:45,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877087010] [2021-11-13 18:49:45,519 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:49:45,519 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:49:45,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:49:45,521 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:49:45,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 18:49:45,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 18:49:45,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:49:45,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 18:49:45,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:49:47,996 INFO L354 Elim1Store]: treesize reduction 1465, result has 7.6 percent of original size [2021-11-13 18:49:47,997 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 [2021-11-13 18:50:49,353 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-13 18:50:49,354 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:50:49,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877087010] [2021-11-13 18:50:49,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/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") [2021-11-13 18:50:49,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1746930869] [2021-11-13 18:50:49,355 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:50:49,355 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 18:50:49,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/cvc4 [2021-11-13 18:50:49,358 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 18:50:49,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-11-13 18:50:49,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-13 18:50:50,500 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 18:50:50,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:50:50,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 18:50:50,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:50:50,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-11-13 18:50:50,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816726941] [2021-11-13 18:50:50,512 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:50:50,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:50:50,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:50:50,518 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:50:50,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-13 18:50:50,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 18:50:50,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:50:50,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 18:50:50,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:50:50,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-11-13 18:50:50,962 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:50:50,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-13 18:50:50,962 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-11-13 18:50:50,963 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-11-13 18:50:50,969 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr4REQUIRES_VIOLATION (137 of 138 remaining) [2021-11-13 18:50:50,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr0REQUIRES_VIOLATION (136 of 138 remaining) [2021-11-13 18:50:50,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr1REQUIRES_VIOLATION (135 of 138 remaining) [2021-11-13 18:50:50,972 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (134 of 138 remaining) [2021-11-13 18:50:50,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (133 of 138 remaining) [2021-11-13 18:50:50,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr4REQUIRES_VIOLATION (132 of 138 remaining) [2021-11-13 18:50:50,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr5REQUIRES_VIOLATION (131 of 138 remaining) [2021-11-13 18:50:50,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr6REQUIRES_VIOLATION (130 of 138 remaining) [2021-11-13 18:50:50,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr7REQUIRES_VIOLATION (129 of 138 remaining) [2021-11-13 18:50:50,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr8REQUIRES_VIOLATION (128 of 138 remaining) [2021-11-13 18:50:50,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr9REQUIRES_VIOLATION (127 of 138 remaining) [2021-11-13 18:50:50,974 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr10REQUIRES_VIOLATION (126 of 138 remaining) [2021-11-13 18:50:50,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr11REQUIRES_VIOLATION (125 of 138 remaining) [2021-11-13 18:50:50,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr12REQUIRES_VIOLATION (124 of 138 remaining) [2021-11-13 18:50:50,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr13REQUIRES_VIOLATION (123 of 138 remaining) [2021-11-13 18:50:50,975 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr14REQUIRES_VIOLATION (122 of 138 remaining) [2021-11-13 18:50:50,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr15REQUIRES_VIOLATION (121 of 138 remaining) [2021-11-13 18:50:50,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr16REQUIRES_VIOLATION (120 of 138 remaining) [2021-11-13 18:50:50,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr17REQUIRES_VIOLATION (119 of 138 remaining) [2021-11-13 18:50:50,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr18ASSERT_VIOLATIONMEMORY_LEAK (118 of 138 remaining) [2021-11-13 18:50:50,976 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr19REQUIRES_VIOLATION (117 of 138 remaining) [2021-11-13 18:50:50,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr20REQUIRES_VIOLATION (116 of 138 remaining) [2021-11-13 18:50:50,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE (115 of 138 remaining) [2021-11-13 18:50:50,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE (114 of 138 remaining) [2021-11-13 18:50:50,977 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE (113 of 138 remaining) [2021-11-13 18:50:50,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE (112 of 138 remaining) [2021-11-13 18:50:50,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr25REQUIRES_VIOLATION (111 of 138 remaining) [2021-11-13 18:50:50,978 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr26REQUIRES_VIOLATION (110 of 138 remaining) [2021-11-13 18:50:50,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE (109 of 138 remaining) [2021-11-13 18:50:50,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE (108 of 138 remaining) [2021-11-13 18:50:50,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr29REQUIRES_VIOLATION (107 of 138 remaining) [2021-11-13 18:50:50,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr30REQUIRES_VIOLATION (106 of 138 remaining) [2021-11-13 18:50:50,979 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr31REQUIRES_VIOLATION (105 of 138 remaining) [2021-11-13 18:50:50,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr32REQUIRES_VIOLATION (104 of 138 remaining) [2021-11-13 18:50:50,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE (103 of 138 remaining) [2021-11-13 18:50:50,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE (102 of 138 remaining) [2021-11-13 18:50:50,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE (101 of 138 remaining) [2021-11-13 18:50:50,980 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE (100 of 138 remaining) [2021-11-13 18:50:50,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr37REQUIRES_VIOLATION (99 of 138 remaining) [2021-11-13 18:50:50,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr38REQUIRES_VIOLATION (98 of 138 remaining) [2021-11-13 18:50:50,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE (97 of 138 remaining) [2021-11-13 18:50:50,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE (96 of 138 remaining) [2021-11-13 18:50:50,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr41REQUIRES_VIOLATION (95 of 138 remaining) [2021-11-13 18:50:50,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr42REQUIRES_VIOLATION (94 of 138 remaining) [2021-11-13 18:50:50,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr0REQUIRES_VIOLATION (93 of 138 remaining) [2021-11-13 18:50:50,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr1REQUIRES_VIOLATION (92 of 138 remaining) [2021-11-13 18:50:50,982 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr2REQUIRES_VIOLATION (91 of 138 remaining) [2021-11-13 18:50:50,983 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr3REQUIRES_VIOLATION (90 of 138 remaining) [2021-11-13 18:50:50,983 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE (89 of 138 remaining) [2021-11-13 18:50:50,983 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE (88 of 138 remaining) [2021-11-13 18:50:50,983 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr6REQUIRES_VIOLATION (87 of 138 remaining) [2021-11-13 18:50:50,983 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr7REQUIRES_VIOLATION (86 of 138 remaining) [2021-11-13 18:50:50,984 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr8REQUIRES_VIOLATION (85 of 138 remaining) [2021-11-13 18:50:50,984 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr9REQUIRES_VIOLATION (84 of 138 remaining) [2021-11-13 18:50:50,984 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr10REQUIRES_VIOLATION (83 of 138 remaining) [2021-11-13 18:50:50,984 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr11REQUIRES_VIOLATION (82 of 138 remaining) [2021-11-13 18:50:50,984 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr12REQUIRES_VIOLATION (81 of 138 remaining) [2021-11-13 18:50:50,985 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr13REQUIRES_VIOLATION (80 of 138 remaining) [2021-11-13 18:50:50,985 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr0REQUIRES_VIOLATION (79 of 138 remaining) [2021-11-13 18:50:50,985 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr1REQUIRES_VIOLATION (78 of 138 remaining) [2021-11-13 18:50:50,986 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (77 of 138 remaining) [2021-11-13 18:50:50,986 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (76 of 138 remaining) [2021-11-13 18:50:50,986 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr4REQUIRES_VIOLATION (75 of 138 remaining) [2021-11-13 18:50:50,986 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr5REQUIRES_VIOLATION (74 of 138 remaining) [2021-11-13 18:50:50,986 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr0REQUIRES_VIOLATION (73 of 138 remaining) [2021-11-13 18:50:50,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr1REQUIRES_VIOLATION (72 of 138 remaining) [2021-11-13 18:50:50,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr2REQUIRES_VIOLATION (71 of 138 remaining) [2021-11-13 18:50:50,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr3REQUIRES_VIOLATION (70 of 138 remaining) [2021-11-13 18:50:50,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr4REQUIRES_VIOLATION (69 of 138 remaining) [2021-11-13 18:50:50,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr5REQUIRES_VIOLATION (68 of 138 remaining) [2021-11-13 18:50:50,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr6REQUIRES_VIOLATION (67 of 138 remaining) [2021-11-13 18:50:50,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr7REQUIRES_VIOLATION (66 of 138 remaining) [2021-11-13 18:50:50,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr8REQUIRES_VIOLATION (65 of 138 remaining) [2021-11-13 18:50:50,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr9REQUIRES_VIOLATION (64 of 138 remaining) [2021-11-13 18:50:50,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr10REQUIRES_VIOLATION (63 of 138 remaining) [2021-11-13 18:50:50,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr11REQUIRES_VIOLATION (62 of 138 remaining) [2021-11-13 18:50:50,988 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location safe_writeErr0REQUIRES_VIOLATION (61 of 138 remaining) [2021-11-13 18:50:50,988 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location safe_writeErr1REQUIRES_VIOLATION (60 of 138 remaining) [2021-11-13 18:50:50,988 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION (59 of 138 remaining) [2021-11-13 18:50:50,988 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION (58 of 138 remaining) [2021-11-13 18:50:50,989 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr0REQUIRES_VIOLATION (57 of 138 remaining) [2021-11-13 18:50:50,989 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr1REQUIRES_VIOLATION (56 of 138 remaining) [2021-11-13 18:50:50,989 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr2REQUIRES_VIOLATION (55 of 138 remaining) [2021-11-13 18:50:50,990 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr3REQUIRES_VIOLATION (54 of 138 remaining) [2021-11-13 18:50:50,990 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr0REQUIRES_VIOLATION (53 of 138 remaining) [2021-11-13 18:50:50,990 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr1REQUIRES_VIOLATION (52 of 138 remaining) [2021-11-13 18:50:50,990 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr2REQUIRES_VIOLATION (51 of 138 remaining) [2021-11-13 18:50:50,990 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr3REQUIRES_VIOLATION (50 of 138 remaining) [2021-11-13 18:50:50,991 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr4REQUIRES_VIOLATION (49 of 138 remaining) [2021-11-13 18:50:50,991 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr5REQUIRES_VIOLATION (48 of 138 remaining) [2021-11-13 18:50:50,991 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr6REQUIRES_VIOLATION (47 of 138 remaining) [2021-11-13 18:50:50,991 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr7REQUIRES_VIOLATION (46 of 138 remaining) [2021-11-13 18:50:50,991 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr0REQUIRES_VIOLATION (45 of 138 remaining) [2021-11-13 18:50:50,992 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr1REQUIRES_VIOLATION (44 of 138 remaining) [2021-11-13 18:50:50,992 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr2REQUIRES_VIOLATION (43 of 138 remaining) [2021-11-13 18:50:50,992 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr3REQUIRES_VIOLATION (42 of 138 remaining) [2021-11-13 18:50:50,992 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr4REQUIRES_VIOLATION (41 of 138 remaining) [2021-11-13 18:50:50,992 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr5REQUIRES_VIOLATION (40 of 138 remaining) [2021-11-13 18:50:50,993 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr6REQUIRES_VIOLATION (39 of 138 remaining) [2021-11-13 18:50:50,993 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr7REQUIRES_VIOLATION (38 of 138 remaining) [2021-11-13 18:50:50,993 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0REQUIRES_VIOLATION (37 of 138 remaining) [2021-11-13 18:50:50,993 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr1REQUIRES_VIOLATION (36 of 138 remaining) [2021-11-13 18:50:50,993 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr2REQUIRES_VIOLATION (35 of 138 remaining) [2021-11-13 18:50:50,994 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr3REQUIRES_VIOLATION (34 of 138 remaining) [2021-11-13 18:50:50,994 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr5REQUIRES_VIOLATION (33 of 138 remaining) [2021-11-13 18:50:50,994 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr6REQUIRES_VIOLATION (32 of 138 remaining) [2021-11-13 18:50:50,994 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr7REQUIRES_VIOLATION (31 of 138 remaining) [2021-11-13 18:50:50,994 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr8REQUIRES_VIOLATION (30 of 138 remaining) [2021-11-13 18:50:50,995 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr9REQUIRES_VIOLATION (29 of 138 remaining) [2021-11-13 18:50:50,995 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr10REQUIRES_VIOLATION (28 of 138 remaining) [2021-11-13 18:50:50,995 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr11REQUIRES_VIOLATION (27 of 138 remaining) [2021-11-13 18:50:50,995 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr12REQUIRES_VIOLATION (26 of 138 remaining) [2021-11-13 18:50:50,995 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr13REQUIRES_VIOLATION (25 of 138 remaining) [2021-11-13 18:50:50,996 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr14REQUIRES_VIOLATION (24 of 138 remaining) [2021-11-13 18:50:50,996 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr15REQUIRES_VIOLATION (23 of 138 remaining) [2021-11-13 18:50:50,996 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr16REQUIRES_VIOLATION (22 of 138 remaining) [2021-11-13 18:50:50,996 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr17REQUIRES_VIOLATION (21 of 138 remaining) [2021-11-13 18:50:50,996 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr18REQUIRES_VIOLATION (20 of 138 remaining) [2021-11-13 18:50:50,997 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr19REQUIRES_VIOLATION (19 of 138 remaining) [2021-11-13 18:50:50,997 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr20REQUIRES_VIOLATION (18 of 138 remaining) [2021-11-13 18:50:50,997 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr21REQUIRES_VIOLATION (17 of 138 remaining) [2021-11-13 18:50:50,997 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr22REQUIRES_VIOLATION (16 of 138 remaining) [2021-11-13 18:50:50,997 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr23REQUIRES_VIOLATION (15 of 138 remaining) [2021-11-13 18:50:50,998 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr24ASSERT_VIOLATIONMEMORY_FREE (14 of 138 remaining) [2021-11-13 18:50:50,998 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr25ASSERT_VIOLATIONMEMORY_FREE (13 of 138 remaining) [2021-11-13 18:50:50,998 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr26ASSERT_VIOLATIONMEMORY_FREE (12 of 138 remaining) [2021-11-13 18:50:50,998 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr27ASSERT_VIOLATIONMEMORY_FREE (11 of 138 remaining) [2021-11-13 18:50:50,999 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr28ASSERT_VIOLATIONMEMORY_FREE (10 of 138 remaining) [2021-11-13 18:50:50,999 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr29ASSERT_VIOLATIONMEMORY_FREE (9 of 138 remaining) [2021-11-13 18:50:50,999 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr30ASSERT_VIOLATIONMEMORY_FREE (8 of 138 remaining) [2021-11-13 18:50:50,999 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr31ASSERT_VIOLATIONMEMORY_FREE (7 of 138 remaining) [2021-11-13 18:50:50,999 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr32ASSERT_VIOLATIONMEMORY_FREE (6 of 138 remaining) [2021-11-13 18:50:51,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr33ASSERT_VIOLATIONMEMORY_FREE (5 of 138 remaining) [2021-11-13 18:50:51,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr34ASSERT_VIOLATIONMEMORY_FREE (4 of 138 remaining) [2021-11-13 18:50:51,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr35ASSERT_VIOLATIONMEMORY_FREE (3 of 138 remaining) [2021-11-13 18:50:51,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr36ENSURES_VIOLATIONMEMORY_LEAK (2 of 138 remaining) [2021-11-13 18:50:51,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readErr0REQUIRES_VIOLATION (1 of 138 remaining) [2021-11-13 18:50:51,001 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readErr1REQUIRES_VIOLATION (0 of 138 remaining) [2021-11-13 18:50:51,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-13 18:50:51,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:50:51,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2021-11-13 18:50:51,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b758942-697b-44f6-9c4a-06048c8e5fe9/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt [2021-11-13 18:50:51,620 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2021-11-13 18:50:51,624 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:50:51,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:50:51 BoogieIcfgContainer [2021-11-13 18:50:51,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 18:50:51,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:50:51,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:50:51,638 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:50:51,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:49:19" (3/4) ... [2021-11-13 18:50:51,652 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 18:50:51,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:50:51,653 INFO L158 Benchmark]: Toolchain (without parser) took 97590.11ms. Allocated memory was 67.1MB in the beginning and 153.1MB in the end (delta: 86.0MB). Free memory was 46.9MB in the beginning and 89.0MB in the end (delta: -42.2MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2021-11-13 18:50:51,653 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 67.1MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:50:51,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1499.68ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 46.6MB in the beginning and 71.6MB in the end (delta: -24.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2021-11-13 18:50:51,654 INFO L158 Benchmark]: Boogie Preprocessor took 276.36ms. Allocated memory is still 98.6MB. Free memory was 71.6MB in the beginning and 59.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 18:50:51,655 INFO L158 Benchmark]: RCFGBuilder took 3660.26ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 62.8MB in the end (delta: -3.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2021-11-13 18:50:51,655 INFO L158 Benchmark]: TraceAbstraction took 92132.85ms. Allocated memory was 98.6MB in the beginning and 153.1MB in the end (delta: 54.5MB). Free memory was 62.3MB in the beginning and 89.0MB in the end (delta: -26.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2021-11-13 18:50:51,655 INFO L158 Benchmark]: Witness Printer took 14.56ms. Allocated memory is still 153.1MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:50:51,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 67.1MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1499.68ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 46.6MB in the beginning and 71.6MB in the end (delta: -24.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 276.36ms. Allocated memory is still 98.6MB. Free memory was 71.6MB in the beginning and 59.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3660.26ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 62.8MB in the end (delta: -3.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * TraceAbstraction took 92132.85ms. Allocated memory was 98.6MB in the beginning and 153.1MB in the end (delta: 54.5MB). Free memory was 62.3MB in the beginning and 89.0MB in the end (delta: -26.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 14.56ms. Allocated memory is still 153.1MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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: 92.0s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 16.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 188 SdHoareTripleChecker+Valid, 15778.96ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 4312 SdHoareTripleChecker+Invalid, 14681.71ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2846 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1070 IncrementalHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 1466 mSDtfsCounter, 1070 mSolverCounterSat, 36.69ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.7s 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 68.8s 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN