./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 960a43474c75eeb33a7f3e9b45605c9175ab42f2 ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 960a43474c75eeb33a7f3e9b45605c9175ab42f2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:21:53,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:21:53,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:21:54,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:21:54,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:21:54,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:21:54,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:21:54,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:21:54,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:21:54,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:21:54,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:21:54,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:21:54,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:21:54,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:21:54,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:21:54,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:21:54,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:21:54,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:21:54,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:21:54,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:21:54,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:21:54,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:21:54,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:21:54,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:21:54,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:21:54,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:21:54,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:21:54,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:21:54,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:21:54,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:21:54,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:21:54,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:21:54,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:21:54,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:21:54,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:21:54,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:21:54,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:21:54,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:21:54,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:21:54,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:21:54,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:21:54,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-13 00:21:54,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:21:54,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:21:54,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:21:54,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:21:54,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:21:54,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:21:54,117 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:21:54,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:21:54,117 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:21:54,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:21:54,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:21:54,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:21:54,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:21:54,118 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:21:54,119 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:21:54,119 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:21:54,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:21:54,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:21:54,120 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:21:54,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:21:54,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:21:54,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:21:54,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:21:54,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:21:54,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:21:54,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:21:54,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:21:54,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:21:54,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:21:54,122 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_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 960a43474c75eeb33a7f3e9b45605c9175ab42f2 [2021-10-13 00:21:54,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:21:54,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:21:54,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:21:54,388 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:21:54,389 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:21:54,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-10-13 00:21:54,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/data/16e8028bb/d091ea45b8a3460396ad282f489d608a/FLAG1f119edd2 [2021-10-13 00:21:55,021 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:21:55,022 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-10-13 00:21:55,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/data/16e8028bb/d091ea45b8a3460396ad282f489d608a/FLAG1f119edd2 [2021-10-13 00:21:55,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/data/16e8028bb/d091ea45b8a3460396ad282f489d608a [2021-10-13 00:21:55,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:21:55,316 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:21:55,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:21:55,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:21:55,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:21:55,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:21:55" (1/1) ... [2021-10-13 00:21:55,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411b7157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:55, skipping insertion in model container [2021-10-13 00:21:55,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:21:55" (1/1) ... [2021-10-13 00:21:55,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:21:55,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:21:55,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:21:55,803 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 00:21:55,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7459df90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:55, skipping insertion in model container [2021-10-13 00:21:55,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:21:55,805 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 00:21:55,808 INFO L168 Benchmark]: Toolchain (without parser) took 489.90 ms. Allocated memory is still 104.9 MB. Free memory was 68.1 MB in the beginning and 78.9 MB in the end (delta: -10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:21:55,809 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 104.9 MB. Free memory is still 86.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:21:55,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.18 ms. Allocated memory is still 104.9 MB. Free memory was 67.9 MB in the beginning and 79.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:21:55,813 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 104.9 MB. Free memory is still 86.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 482.18 ms. Allocated memory is still 104.9 MB. Free memory was 67.9 MB in the beginning and 79.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:21:57,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:21:57,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:21:58,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:21:58,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:21:58,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:21:58,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:21:58,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:21:58,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:21:58,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:21:58,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:21:58,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:21:58,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:21:58,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:21:58,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:21:58,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:21:58,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:21:58,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:21:58,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:21:58,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:21:58,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:21:58,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:21:58,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:21:58,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:21:58,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:21:58,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:21:58,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:21:58,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:21:58,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:21:58,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:21:58,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:21:58,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:21:58,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:21:58,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:21:58,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:21:58,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:21:58,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:21:58,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:21:58,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:21:58,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:21:58,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:21:58,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-13 00:21:58,122 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:21:58,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:21:58,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:21:58,123 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:21:58,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:21:58,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:21:58,126 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:21:58,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:21:58,126 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:21:58,127 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:21:58,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:21:58,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:21:58,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:21:58,128 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:21:58,129 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:21:58,129 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:21:58,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:21:58,129 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:21:58,129 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:21:58,129 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:21:58,130 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:21:58,130 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:21:58,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:21:58,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:21:58,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:21:58,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:21:58,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:21:58,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:21:58,132 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:21:58,132 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:21:58,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:21:58,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:21:58,132 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_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 960a43474c75eeb33a7f3e9b45605c9175ab42f2 [2021-10-13 00:21:58,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:21:58,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:21:58,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:21:58,539 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:21:58,539 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:21:58,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-10-13 00:21:58,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/data/f39da5709/42ed003b87e7426ba4ecf945ee0ca500/FLAG79c784c8d [2021-10-13 00:21:59,189 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:21:59,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/sv-benchmarks/c/ldv-memsafety/memleaks_test11_2.i [2021-10-13 00:21:59,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/data/f39da5709/42ed003b87e7426ba4ecf945ee0ca500/FLAG79c784c8d [2021-10-13 00:21:59,460 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/data/f39da5709/42ed003b87e7426ba4ecf945ee0ca500 [2021-10-13 00:21:59,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:21:59,468 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:21:59,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:21:59,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:21:59,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:21:59,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:21:59" (1/1) ... [2021-10-13 00:21:59,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7566e9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:21:59, skipping insertion in model container [2021-10-13 00:21:59,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:21:59" (1/1) ... [2021-10-13 00:21:59,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:21:59,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:22:00,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:22:00,072 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 00:22:00,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:22:00,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:22:00,149 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:22:00,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:22:00,272 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:22:00,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:00 WrapperNode [2021-10-13 00:22:00,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:22:00,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:22:00,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:22:00,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:22:00,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:00" (1/1) ... [2021-10-13 00:22:00,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:00" (1/1) ... [2021-10-13 00:22:00,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:00" (1/1) ... [2021-10-13 00:22:00,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:00" (1/1) ... [2021-10-13 00:22:00,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:00" (1/1) ... [2021-10-13 00:22:00,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:00" (1/1) ... [2021-10-13 00:22:00,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:00" (1/1) ... [2021-10-13 00:22:00,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:22:00,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:22:00,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:22:00,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:22:00,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:00" (1/1) ... [2021-10-13 00:22:00,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:22:00,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:22:00,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:22:00,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:22:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-13 00:22:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:22:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 00:22:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 00:22:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-10-13 00:22:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-10-13 00:22:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-10-13 00:22:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-10-13 00:22:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-10-13 00:22:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-10-13 00:22:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-10-13 00:22:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-10-13 00:22:00,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-10-13 00:22:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-10-13 00:22:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-10-13 00:22:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-10-13 00:22:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-10-13 00:22:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-10-13 00:22:00,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-10-13 00:22:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-10-13 00:22:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-10-13 00:22:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-10-13 00:22:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-10-13 00:22:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-10-13 00:22:00,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-10-13 00:22:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-10-13 00:22:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-10-13 00:22:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-10-13 00:22:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-10-13 00:22:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-10-13 00:22:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-10-13 00:22:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-10-13 00:22:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-10-13 00:22:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-10-13 00:22:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-10-13 00:22:00,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-10-13 00:22:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-10-13 00:22:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-10-13 00:22:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-10-13 00:22:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-10-13 00:22:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-13 00:22:00,451 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-10-13 00:22:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2021-10-13 00:22:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2021-10-13 00:22:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_3_11 [2021-10-13 00:22:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure free_11 [2021-10-13 00:22:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-10-13 00:22:00,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-13 00:22:00,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-10-13 00:22:00,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-10-13 00:22:00,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-10-13 00:22:00,453 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-10-13 00:22:00,453 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-10-13 00:22:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-10-13 00:22:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-10-13 00:22:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-10-13 00:22:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-10-13 00:22:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-10-13 00:22:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-10-13 00:22:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-10-13 00:22:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-10-13 00:22:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-10-13 00:22:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-10-13 00:22:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-10-13 00:22:00,455 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-10-13 00:22:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-10-13 00:22:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-10-13 00:22:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-10-13 00:22:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-10-13 00:22:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-10-13 00:22:00,456 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-10-13 00:22:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-10-13 00:22:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-10-13 00:22:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-10-13 00:22:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-10-13 00:22:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-10-13 00:22:00,457 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-10-13 00:22:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-10-13 00:22:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-10-13 00:22:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-10-13 00:22:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-10-13 00:22:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-10-13 00:22:00,458 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-10-13 00:22:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-10-13 00:22:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-10-13 00:22:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-10-13 00:22:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-10-13 00:22:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-10-13 00:22:00,459 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-10-13 00:22:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-10-13 00:22:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-10-13 00:22:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-10-13 00:22:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-10-13 00:22:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-10-13 00:22:00,460 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-10-13 00:22:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-10-13 00:22:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-10-13 00:22:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-10-13 00:22:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-10-13 00:22:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-10-13 00:22:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-10-13 00:22:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-10-13 00:22:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-10-13 00:22:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-10-13 00:22:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-10-13 00:22:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-10-13 00:22:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-10-13 00:22:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-10-13 00:22:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-10-13 00:22:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-10-13 00:22:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-10-13 00:22:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-10-13 00:22:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-10-13 00:22:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-10-13 00:22:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-13 00:22:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-10-13 00:22:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-10-13 00:22:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-10-13 00:22:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-10-13 00:22:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-10-13 00:22:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-10-13 00:22:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-10-13 00:22:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-10-13 00:22:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-10-13 00:22:00,465 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-10-13 00:22:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-10-13 00:22:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-10-13 00:22:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-10-13 00:22:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-10-13 00:22:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-10-13 00:22:00,466 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-10-13 00:22:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-10-13 00:22:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-10-13 00:22:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-10-13 00:22:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-10-13 00:22:00,467 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-10-13 00:22:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-10-13 00:22:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-10-13 00:22:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-10-13 00:22:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-10-13 00:22:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-10-13 00:22:00,468 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-10-13 00:22:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-10-13 00:22:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-10-13 00:22:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-10-13 00:22:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-10-13 00:22:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-10-13 00:22:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-10-13 00:22:00,469 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-10-13 00:22:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-10-13 00:22:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-10-13 00:22:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-10-13 00:22:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-10-13 00:22:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-10-13 00:22:00,470 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-10-13 00:22:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-10-13 00:22:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-10-13 00:22:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-10-13 00:22:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-10-13 00:22:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-13 00:22:00,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-10-13 00:22:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-10-13 00:22:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-10-13 00:22:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-10-13 00:22:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-10-13 00:22:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:22:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-10-13 00:22:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-10-13 00:22:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-10-13 00:22:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 00:22:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-10-13 00:22:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-10-13 00:22:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-10-13 00:22:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 00:22:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-10-13 00:22:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-10-13 00:22:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-10-13 00:22:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-10-13 00:22:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-10-13 00:22:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-10-13 00:22:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:22:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-10-13 00:22:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-10-13 00:22:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-10-13 00:22:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-10-13 00:22:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-10-13 00:22:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:22:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:22:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-10-13 00:22:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-10-13 00:22:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-13 00:22:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-10-13 00:22:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-10-13 00:22:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-10-13 00:22:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-10-13 00:22:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-10-13 00:22:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-10-13 00:22:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-10-13 00:22:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-10-13 00:22:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-10-13 00:22:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-10-13 00:22:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-10-13 00:22:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-10-13 00:22:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-13 00:22:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-10-13 00:22:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2021-10-13 00:22:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2021-10-13 00:22:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_3_11 [2021-10-13 00:22:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure free_11 [2021-10-13 00:22:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-10-13 00:22:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-13 00:22:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-13 00:22:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:22:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 00:22:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:22:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-10-13 00:22:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 00:22:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-13 00:22:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-13 00:22:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-13 00:22:01,109 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:22:01,540 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:22:02,004 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:22:02,004 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-13 00:22:02,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:22:02 BoogieIcfgContainer [2021-10-13 00:22:02,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:22:02,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:22:02,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:22:02,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:22:02,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:21:59" (1/3) ... [2021-10-13 00:22:02,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9fb5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:22:02, skipping insertion in model container [2021-10-13 00:22:02,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:00" (2/3) ... [2021-10-13 00:22:02,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9fb5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:22:02, skipping insertion in model container [2021-10-13 00:22:02,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:22:02" (3/3) ... [2021-10-13 00:22:02,015 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test11_2.i [2021-10-13 00:22:02,020 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:22:02,020 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2021-10-13 00:22:02,061 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:22:02,067 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:22:02,067 INFO L340 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2021-10-13 00:22:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-10-13 00:22:02,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:22:02,106 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:02,106 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:22:02,107 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-13 00:22:02,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:02,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1897725955, now seen corresponding path program 1 times [2021-10-13 00:22:02,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:22:02,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634308036] [2021-10-13 00:22:02,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:02,130 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:22:02,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:22:02,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:22:02,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:22:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:02,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:22:02,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:22:02,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:02,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:22:02,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:02,620 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:22:02,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634308036] [2021-10-13 00:22:02,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634308036] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:02,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:02,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 00:22:02,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269852469] [2021-10-13 00:22:02,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:22:02,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:22:02,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:22:02,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:22:02,664 INFO L87 Difference]: Start difference. First operand has 178 states, 96 states have (on average 1.5729166666666667) internal successors, (151), 140 states have internal predecessors, (151), 21 states have call successors, (21), 16 states have call predecessors, (21), 16 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-13 00:22:02,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:02,799 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2021-10-13 00:22:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:22:02,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2021-10-13 00:22:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:02,820 INFO L225 Difference]: With dead ends: 146 [2021-10-13 00:22:02,820 INFO L226 Difference]: Without dead ends: 143 [2021-10-13 00:22:02,822 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.9ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:22:02,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-13 00:22:02,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 109. [2021-10-13 00:22:02,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5517241379310345) internal successors, (90), 84 states have internal predecessors, (90), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-10-13 00:22:02,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2021-10-13 00:22:02,900 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 16 [2021-10-13 00:22:02,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:02,901 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2021-10-13 00:22:02,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-13 00:22:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2021-10-13 00:22:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:22:02,903 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:02,903 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:22:02,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:22:03,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:22:03,107 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-13 00:22:03,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:03,108 INFO L82 PathProgramCache]: Analyzing trace with hash -154915620, now seen corresponding path program 1 times [2021-10-13 00:22:03,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:22:03,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132175320] [2021-10-13 00:22:03,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:03,109 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:22:03,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:22:03,110 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:22:03,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 00:22:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:03,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:22:03,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:22:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:03,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:22:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:03,483 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:22:03,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132175320] [2021-10-13 00:22:03,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132175320] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:03,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:03,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 00:22:03,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799524334] [2021-10-13 00:22:03,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:03,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:22:03,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:03,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:03,494 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-13 00:22:03,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:03,706 INFO L93 Difference]: Finished difference Result 158 states and 182 transitions. [2021-10-13 00:22:03,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:03,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-10-13 00:22:03,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:03,708 INFO L225 Difference]: With dead ends: 158 [2021-10-13 00:22:03,708 INFO L226 Difference]: Without dead ends: 155 [2021-10-13 00:22:03,709 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:03,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-10-13 00:22:03,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2021-10-13 00:22:03,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 81 states have internal predecessors, (86), 14 states have call successors, (14), 10 states have call predecessors, (14), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-10-13 00:22:03,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2021-10-13 00:22:03,727 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 16 [2021-10-13 00:22:03,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:03,728 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2021-10-13 00:22:03,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-13 00:22:03,728 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2021-10-13 00:22:03,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 00:22:03,729 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:03,729 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:22:03,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:22:03,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:22:03,943 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-13 00:22:03,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:03,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1553334128, now seen corresponding path program 1 times [2021-10-13 00:22:03,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:22:03,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694885493] [2021-10-13 00:22:03,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:03,944 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:22:03,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:22:03,946 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:22:03,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 00:22:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:04,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:22:04,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:22:04,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:22:04,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:22:04,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:22:04,292 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:22:04,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694885493] [2021-10-13 00:22:04,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [694885493] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:04,293 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:04,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 00:22:04,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201181486] [2021-10-13 00:22:04,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:22:04,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:22:04,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:22:04,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:22:04,297 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-13 00:22:04,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:04,383 INFO L93 Difference]: Finished difference Result 140 states and 157 transitions. [2021-10-13 00:22:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:22:04,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2021-10-13 00:22:04,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:04,385 INFO L225 Difference]: With dead ends: 140 [2021-10-13 00:22:04,387 INFO L226 Difference]: Without dead ends: 140 [2021-10-13 00:22:04,388 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.7ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:22:04,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-13 00:22:04,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2021-10-13 00:22:04,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 84 states have internal predecessors, (89), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2021-10-13 00:22:04,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 120 transitions. [2021-10-13 00:22:04,401 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 120 transitions. Word has length 21 [2021-10-13 00:22:04,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:04,401 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 120 transitions. [2021-10-13 00:22:04,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-10-13 00:22:04,402 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 120 transitions. [2021-10-13 00:22:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 00:22:04,403 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:04,403 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:22:04,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-13 00:22:04,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:22:04,617 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-13 00:22:04,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:04,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1553334161, now seen corresponding path program 1 times [2021-10-13 00:22:04,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:22:04,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664136298] [2021-10-13 00:22:04,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:04,618 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:22:04,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:22:04,619 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:22:04,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 00:22:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:04,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:22:04,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:22:04,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 00:22:05,006 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-13 00:22:05,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2021-10-13 00:22:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:05,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:22:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:05,321 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:22:05,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664136298] [2021-10-13 00:22:05,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [664136298] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 00:22:05,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:22:05,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-10-13 00:22:05,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582921460] [2021-10-13 00:22:05,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 00:22:05,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:22:05,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:22:05,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:22:05,323 INFO L87 Difference]: Start difference. First operand 109 states and 120 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-13 00:22:06,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:06,388 INFO L93 Difference]: Finished difference Result 205 states and 236 transitions. [2021-10-13 00:22:06,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 00:22:06,388 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2021-10-13 00:22:06,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:06,391 INFO L225 Difference]: With dead ends: 205 [2021-10-13 00:22:06,391 INFO L226 Difference]: Without dead ends: 205 [2021-10-13 00:22:06,392 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 212.2ms TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-10-13 00:22:06,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-10-13 00:22:06,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 124. [2021-10-13 00:22:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 71 states have (on average 1.5070422535211268) internal successors, (107), 95 states have internal predecessors, (107), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (19), 17 states have call predecessors, (19), 14 states have call successors, (19) [2021-10-13 00:22:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 141 transitions. [2021-10-13 00:22:06,407 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 141 transitions. Word has length 21 [2021-10-13 00:22:06,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:06,408 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 141 transitions. [2021-10-13 00:22:06,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-10-13 00:22:06,408 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2021-10-13 00:22:06,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 00:22:06,409 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:06,409 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:22:06,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:22:06,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:22:06,610 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting entry_pointErr1REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-13 00:22:06,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:06,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1553334162, now seen corresponding path program 1 times [2021-10-13 00:22:06,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:22:06,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [515060558] [2021-10-13 00:22:06,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:06,611 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:22:06,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:22:06,612 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:22:06,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 00:22:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:06,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 00:22:06,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:22:06,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 00:22:06,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 00:22:09,204 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-13 00:22:09,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2021-10-13 00:22:09,226 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 00:22:09,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2021-10-13 00:22:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:09,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:22:16,010 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_36| (_ BitVec 32)) (v_entry_point_~c11~0.base_BEFORE_CALL_4 (_ BitVec 32)) (v_entry_point_~c11~0.offset_BEFORE_CALL_2 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ldv_malloc_#res.base_36|)))) (exists ((|v_ldv_malloc_#res.base_35| (_ BitVec 32))) (and (or (not (bvule v_entry_point_~c11~0.offset_BEFORE_CALL_2 (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2))) (exists ((v_ldv_malloc_~size_31 (_ BitVec 32))) (not (bvule (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2) (select (store |c_old(#length)| |v_ldv_malloc_#res.base_35| v_ldv_malloc_~size_31) v_entry_point_~c11~0.base_BEFORE_CALL_4))))) (= (_ bv0 1) (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (bvneg (select |c_old(#valid)| |v_ldv_malloc_#res.base_35|))))))))))) (and (forall ((ldv_malloc_~size (_ BitVec 32))) (bvule (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2) (select (store |c_#length| |v_ldv_malloc_#res.base_36| ldv_malloc_~size) v_entry_point_~c11~0.base_BEFORE_CALL_4))) (bvule v_entry_point_~c11~0.offset_BEFORE_CALL_2 (bvadd (_ bv4 32) v_entry_point_~c11~0.offset_BEFORE_CALL_2))))) is different from true [2021-10-13 00:22:17,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2021-10-13 00:22:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-10-13 00:22:17,557 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:22:17,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [515060558] [2021-10-13 00:22:17,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [515060558] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 00:22:17,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:22:17,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-13 00:22:17,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214755345] [2021-10-13 00:22:17,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 00:22:17,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:22:17,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 00:22:17,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=174, Unknown=3, NotChecked=26, Total=240 [2021-10-13 00:22:17,560 INFO L87 Difference]: Start difference. First operand 124 states and 141 transitions. Second operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-13 00:24:48,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:48,723 INFO L93 Difference]: Finished difference Result 317 states and 370 transitions. [2021-10-13 00:24:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-13 00:24:48,724 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 21 [2021-10-13 00:24:48,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:48,727 INFO L225 Difference]: With dead ends: 317 [2021-10-13 00:24:48,727 INFO L226 Difference]: Without dead ends: 317 [2021-10-13 00:24:48,728 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 45422.9ms TimeCoverageRelationStatistics Valid=114, Invalid=580, Unknown=12, NotChecked=50, Total=756 [2021-10-13 00:24:48,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-10-13 00:24:48,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 151. [2021-10-13 00:24:48,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 91 states have (on average 1.5384615384615385) internal successors, (140), 115 states have internal predecessors, (140), 21 states have call successors, (21), 11 states have call predecessors, (21), 12 states have return successors, (29), 24 states have call predecessors, (29), 20 states have call successors, (29) [2021-10-13 00:24:48,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 190 transitions. [2021-10-13 00:24:48,747 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 190 transitions. Word has length 21 [2021-10-13 00:24:48,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:48,748 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 190 transitions. [2021-10-13 00:24:48,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2021-10-13 00:24:48,748 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 190 transitions. [2021-10-13 00:24:48,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-13 00:24:48,749 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:48,750 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:48,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:24:48,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:24:48,972 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting entry_pointErr0REQUIRES_VIOLATION === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-13 00:24:48,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:48,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1259931154, now seen corresponding path program 1 times [2021-10-13 00:24:48,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:24:48,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509736117] [2021-10-13 00:24:48,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:48,976 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:24:48,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:24:48,981 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:24:48,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 00:24:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:49,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:24:49,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:24:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:49,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:24:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:24:49,438 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:24:49,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509736117] [2021-10-13 00:24:49,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1509736117] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 00:24:49,439 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:24:49,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-10-13 00:24:49,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093830843] [2021-10-13 00:24:49,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:24:49,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:24:49,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:24:49,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:24:49,440 INFO L87 Difference]: Start difference. First operand 151 states and 190 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-13 00:24:49,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:49,479 INFO L93 Difference]: Finished difference Result 138 states and 166 transitions. [2021-10-13 00:24:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:24:49,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2021-10-13 00:24:49,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:49,481 INFO L225 Difference]: With dead ends: 138 [2021-10-13 00:24:49,481 INFO L226 Difference]: Without dead ends: 134 [2021-10-13 00:24:49,481 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.9ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:24:49,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-10-13 00:24:49,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-10-13 00:24:49,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 80 states have (on average 1.525) internal successors, (122), 102 states have internal predecessors, (122), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (22), 20 states have call predecessors, (22), 17 states have call successors, (22) [2021-10-13 00:24:49,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 162 transitions. [2021-10-13 00:24:49,490 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 162 transitions. Word has length 21 [2021-10-13 00:24:49,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:49,490 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 162 transitions. [2021-10-13 00:24:49,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-13 00:24:49,491 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 162 transitions. [2021-10-13 00:24:49,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 00:24:49,492 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:49,492 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:49,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:24:49,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:24:49,703 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-13 00:24:49,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:49,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1796221871, now seen corresponding path program 1 times [2021-10-13 00:24:49,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:24:49,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983555221] [2021-10-13 00:24:49,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:49,704 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:24:49,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:24:49,705 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:24:49,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 00:24:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:49,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:24:49,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:24:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:50,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:24:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:24:50,494 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:24:50,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983555221] [2021-10-13 00:24:50,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983555221] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 00:24:50,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:24:50,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-10-13 00:24:50,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188117654] [2021-10-13 00:24:50,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 00:24:50,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:24:50,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 00:24:50,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:24:50,496 INFO L87 Difference]: Start difference. First operand 134 states and 162 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-13 00:24:51,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:51,026 INFO L93 Difference]: Finished difference Result 133 states and 160 transitions. [2021-10-13 00:24:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:24:51,027 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 22 [2021-10-13 00:24:51,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:24:51,028 INFO L225 Difference]: With dead ends: 133 [2021-10-13 00:24:51,028 INFO L226 Difference]: Without dead ends: 133 [2021-10-13 00:24:51,028 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 227.5ms TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:24:51,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-13 00:24:51,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-13 00:24:51,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 80 states have (on average 1.5) internal successors, (120), 101 states have internal predecessors, (120), 18 states have call successors, (18), 11 states have call predecessors, (18), 11 states have return successors, (22), 20 states have call predecessors, (22), 17 states have call successors, (22) [2021-10-13 00:24:51,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 160 transitions. [2021-10-13 00:24:51,036 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 160 transitions. Word has length 22 [2021-10-13 00:24:51,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:24:51,036 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 160 transitions. [2021-10-13 00:24:51,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-13 00:24:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 160 transitions. [2021-10-13 00:24:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:24:51,037 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:24:51,037 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:51,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:24:51,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:24:51,259 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 89 more)] === [2021-10-13 00:24:51,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:51,259 INFO L82 PathProgramCache]: Analyzing trace with hash -880393985, now seen corresponding path program 1 times [2021-10-13 00:24:51,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:24:51,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063281658] [2021-10-13 00:24:51,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:51,260 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:24:51,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:24:51,261 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:24:51,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 00:24:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:51,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 00:24:51,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:24:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:24:51,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:24:56,086 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_8| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_8| |c_#valid|) (exists ((v_entry_point_~c11~0.base_29 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_8| (store |c_old(#valid)| v_entry_point_~c11~0.base_29 (_ bv0 1)))) (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| v_entry_point_~c11~0.base_29))))))))) is different from false [2021-10-13 00:24:57,869 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:24:57,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063281658] [2021-10-13 00:24:57,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_1)=(= (select (store |v_old(#valid)_BEFORE_CALL_9| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_1) (select v_prenex_1 v_antiDerIndex_entry0_1))} [2021-10-13 00:24:57,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1867961563] [2021-10-13 00:24:57,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:57,870 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 00:24:57,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/cvc4 [2021-10-13 00:24:57,875 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 00:24:57,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-13 00:24:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:58,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 00:24:58,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:24:58,241 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-10-13 00:24:58,242 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 1 case distinctions, treesize of input 25 treesize of output 28 [2021-10-13 00:25:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:25:04,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:25:16,447 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_5)=(= (select v_prenex_5 v_antiDerIndex_entry0_2) (select (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_2))} [2021-10-13 00:25:16,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185135407] [2021-10-13 00:25:16,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:25:16,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:25:16,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:25:16,455 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:25:16,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-13 00:25:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:25:16,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-13 00:25:16,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:25:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:25:16,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:25:29,733 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_19| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_prenex_9)=(= (select v_prenex_9 v_antiDerIndex_entry0_3) (select (store |v_old(#valid)_BEFORE_CALL_19| v_entry_point_~c11~0.base_29 (_ bv0 1)) v_antiDerIndex_entry0_3))} [2021-10-13 00:25:29,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:25:29,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-10-13 00:25:29,734 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-10-13 00:25:29,734 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-10-13 00:25:29,740 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-10-13 00:25:29,742 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,742 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,742 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,742 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-10-13 00:25:29,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-10-13 00:25:29,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-10-13 00:25:29,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-10-13 00:25:29,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-10-13 00:25:29,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-10-13 00:25:29,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-10-13 00:25:29,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-10-13 00:25:29,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-10-13 00:25:29,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-10-13 00:25:29,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,745 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 00:25:29,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 00:25:29,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,746 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-10-13 00:25:29,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-10-13 00:25:29,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,747 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-10-13 00:25:29,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-10-13 00:25:29,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-10-13 00:25:29,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-10-13 00:25:29,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,748 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,749 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,750 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,750 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,750 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,750 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,750 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,750 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-10-13 00:25:29,751 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-10-13 00:25:29,751 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-10-13 00:25:29,751 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-10-13 00:25:29,751 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,751 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err0REQUIRES_VIOLATION [2021-10-13 00:25:29,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err1REQUIRES_VIOLATION [2021-10-13 00:25:29,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err2REQUIRES_VIOLATION [2021-10-13 00:25:29,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err3REQUIRES_VIOLATION [2021-10-13 00:25:29,753 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err4REQUIRES_VIOLATION [2021-10-13 00:25:29,754 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location alloc_3_11Err5REQUIRES_VIOLATION [2021-10-13 00:25:29,754 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,754 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,754 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,754 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,754 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-10-13 00:25:29,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-10-13 00:25:29,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err0ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err1ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location free_11Err2ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr0REQUIRES_VIOLATION [2021-10-13 00:25:29,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr1REQUIRES_VIOLATION [2021-10-13 00:25:29,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr2REQUIRES_VIOLATION [2021-10-13 00:25:29,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr3REQUIRES_VIOLATION [2021-10-13 00:25:29,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr7ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr8ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr9ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr10ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr11ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location entry_pointErr12ASSERT_VIOLATIONMEMORY_FREE [2021-10-13 00:25:29,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:25:29,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:25:30,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:25:30,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/cvc4 --incremental --print-success --lang smt [2021-10-13 00:25:30,379 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:25:30,382 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-10-13 00:25:30,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:25:30 BoogieIcfgContainer [2021-10-13 00:25:30,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:25:30,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:25:30,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:25:30,396 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:25:30,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:22:02" (3/4) ... [2021-10-13 00:25:30,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:25:30,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:25:30,402 INFO L168 Benchmark]: Toolchain (without parser) took 210933.39 ms. Allocated memory was 52.4 MB in the beginning and 117.4 MB in the end (delta: 65.0 MB). Free memory was 27.3 MB in the beginning and 50.1 MB in the end (delta: -22.8 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:30,402 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 52.4 MB. Free memory is still 33.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:25:30,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.44 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 27.1 MB in the beginning and 48.6 MB in the end (delta: -21.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:30,404 INFO L168 Benchmark]: Boogie Preprocessor took 101.02 ms. Allocated memory is still 71.3 MB. Free memory was 48.6 MB in the beginning and 43.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:30,404 INFO L168 Benchmark]: RCFGBuilder took 1631.55 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 43.4 MB in the beginning and 71.8 MB in the end (delta: -28.3 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:30,405 INFO L168 Benchmark]: TraceAbstraction took 208385.44 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 71.3 MB in the beginning and 51.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:25:30,405 INFO L168 Benchmark]: Witness Printer took 5.18 ms. Allocated memory is still 117.4 MB. Free memory is still 50.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:25:30,407 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 52.4 MB. Free memory is still 33.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 802.44 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 27.1 MB in the beginning and 48.6 MB in the end (delta: -21.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.02 ms. Allocated memory is still 71.3 MB. Free memory was 48.6 MB in the beginning and 43.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1631.55 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 43.4 MB in the beginning and 71.8 MB in the end (delta: -28.3 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 208385.44 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 71.3 MB in the beginning and 51.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.18 ms. Allocated memory is still 117.4 MB. Free memory is still 50.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 822]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 822. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L823] CALL entry_point() [L802] CALL, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L802] RET, EXPR ldv_malloc(sizeof(struct ldv_i2c_client)) [L802] struct ldv_i2c_client *c11 = (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)); [L803] COND FALSE !(!c11) [L805] CALL, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L526] COND FALSE !(__VERIFIER_nondet_int()) [L529] return 0; [L805] RET, EXPR ldv_malloc(sizeof(struct ldv_m88ts2022_config)) [L804-L805] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)); [L806] COND TRUE !cfg [L818] free(c11) [L818] free(c11) [L818] free(c11) [L823] RET entry_point() - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 405 locations, 93 error locations. Started 1 CEGAR loops. OverallTime: 208317.4ms, OverallIterations: 8, TraceHistogramMax: 2, EmptinessCheckTime: 26.2ms, AutomataDifference: 153305.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 842 SDtfs, 872 SDslu, 2318 SDs, 0 SdLazy, 2007 SolverSat, 284 SolverUnsat, 53 SolverUnknown, 0 SolverNotchecked, 113242.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 227 SyntacticMatches, 6 SemanticMatches, 57 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 45927.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 146.5ms AutomataMinimizationTime, 7 MinimizatonAttempts, 362 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 78.1ms SsaConstructionTime, 176.0ms SatisfiabilityAnalysisTime, 12654.1ms InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 262 ConstructedInterpolants, 21 QuantifiedInterpolants, 1277 SizeOfPredicates, 7 NumberOfNonLiveVariables, 617 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 24/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 00:25:30,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_318b2a16-2d14-4f8d-95ff-ef4bb012d8b5/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...